IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS

Abstract

Disclosed is an encapsulated composition comprising a perfume composition that is entrapped in a water-soluble matrix. The perfume composition comprises at least one biodegradable ingredient. The at least one biodegradable ingredient is present at a total concentration of at least 75 wt.-%, relative to the total weight of the perfume composition.

Claims

1. An encapsulated composition comprising a perfume composition that is entrapped in a water-soluble matrix, wherein the perfume composition comprises, at least one biodegradable ingredient(s), wherein the biodegradable ingredient(s) is/are present at a total concentration of at least 75 wt, relative to the total weight of the perfume composition.

2. The encapsulated composition according to claim 1, wherein the biodegradable ingredient(s) is/are selected from the group consisting of 1-phenylethanone; 2,6,10-trimethylundec-9-enal; 2-(tert-butyl)cyclohexyl acetate; hexan-1-ol; decanal; 2-methyldecanal; undec-10-enal; undecanal; dodecanal; 2-methylundecanal; hexan-1-al; octanal; 3,5,5-trimethylhexanal; nonanal; (E)-undec-9-enal; prop-2-enyl 2-(3-methylbutoxy)acetate; prop-2-enyl hexanoate; prop-2-enyl 3-cyclohexylpropanoate; prop-2-enyl heptanoate; 3,8,8,11a-tetramethyldodecahydro-1H-3,5a-epoxynaphtho[2,1-c]oxepine; (Z)-oxacycloheptadec-10-en-2-one; (3aR,5aS,9aS,9bR)-3a,6,6,9a-tetramethyl-2,4,5,5a,7,8,9,9b-octahydro-1H-benzo[e][1]benzofuran; pentyl butanoate; (Z)-2-benzylideneheptanal; pentyl 2-hydroxybenzoate; (E)-1-methoxy-4-(prop-1-en-1-yl)benzene; 4-methoxybenzyl acetate; 1-(3,3-dimethylcyclohexyl)ethyl formate; 4-methoxybenzaldehyde; (E)-methyl 2-((7-hydroxy-3,7-dimethyloctylidene)amino)benzoate; benzaldehyde; benzyl acetate; 4-phenylbutan-2-one; phenylmethanol; benzyl benzoate; benzyl 3-phenylprop-2-enoate; benzyl 2-hydroxybenzoate; octahydro-2H-chromen-2-one; (1S,2S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ol; (2S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-yl acetate; 3-(4-(tert-butyl)phenyl)propanal; butyl acetate; 4-(tert-butyl)cyclohexyl acetate; (1S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-one; (5R)-2-methyl-5-prop-1-en-2-ylcyclohex-2-en-1-one; (1R,6S,8aS)-6-methoxy-1,4,4,6-tetramethyloctahydro-1H-5,8a-methanoazulene; (E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)hepta-1,6-dien-3-one; (E)-3-phenylprop-2-en-1-ol; (2E)-3-phenylprop-2-enal; (E)-3-phenylprop-2-en-1-yl acetate; (Z)-hex-3-en-1-ol; (Z)-3-methyl-2-(pent-2-en-1-yl)cyclopent-2-enone; (E)-3,7-dimethylocta-2,6-dienal; 3,7-dimethyloct-6-enal; 3,7-dimethyloct-6-en-1-ol; 3,7-dimethyloct-6-en-1-yl acetate; 3,7-dimethyloct-6-en-1-yl formate; 3,7-dimethyloct-6-enenitrile; dodecanenitrile; 4-cyclohexyl-2-methylbutan-2-ol; 2-hydroxy-3-methylcyclopent-2-enone; (Z)-3-methylcyclotetradec-5-enone; 2H-chromen-2-one; 1-methoxy-4-methylbenzene; 4-isopropylbenzonitrile; 3-(4-isopropylphenyl)-2-methylpropanal; (E)-1-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)but-2-en-1-one; (E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one; 5-hexyloxolan-2-one; (E)-dec-4-enal; 1-methoxy-4-propylbenzene; 2,6-dimethyloct-7-en-2-ol; 2-methyl-1-phenylpropan-2-yl acetate; 2-methyl-1-phenylpropan-2-yl butanoate; 2,6-dimethylheptan-2-ol; oxydibenzene; (E)-dodec-2-enal; (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol; ethyl cyclohexyl carboxylate; ethyl acetate; ethyl 3-oxobutanoate; ethyl 3-phenylprop-2-enoate; ethyl hexanoate; (E)-3,7-dimethylnona-1,6-dien-3-ol; 2-ethyl-3-hydroxy-4H-pyran-4-one; ethyl 2-methylbutanoate; ethyl heptanoate; 3-ethoxy-4-hydroxybenzaldehyde; 1,4-dioxacycloheptadecane-5,17-dione; (1s,4s)-1,3,3-trimethyl-2-oxabicyclo[2.2.2]octane; 4-allyl-2-methoxyphenol; methyl 2,4-dihydroxy-3,6-dimethylbenzoate; (1S,2R,4R)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-ol; 3-(4-methoxyphenyl)-2-methylpropanal; 3-(3-isopropylphenyl)butanal; tetrahydro-4-methyl-2-(2-methylpropyl)-2H-pyran-4-ol; 2-(sec-butyl)cyclohexanone; 2-methyldecanenitrile; 1-(5,5-dimethylcyclohex-1-en-1-yl)pent-4-en-1-one; (E)-3,7-dimethylocta-2,6-dien-1-ol; (E)-3,7-dimethylocta-2,6-dien-1-yl acetate; (E)-6,10-dimethylundeca-5,9-dien-2-one; (E)-oxacyclohexadec-12-en-2-one; methyl 3-oxo-2-pentylcyclopentaneacetate; benzo[d][1,3]dioxole-5-carbaldehyde; (E)-hex-2-enal; (Z)-hex-3-en-1-ol; (Z)-hex-3-en-1-yl acetate; (Z)-hex-3-en-1-yl 2-methylpropanoate; (Z)-hex-3-en-1-yl 2-hydroxybenzoate; hexyl acetate; (E)-2-benzylideneoctanal; hexyl 2-methylpropanoate; hexyl 2-hydroxybenzoate; 7-hydroxy-3,7-dimethyloctanal; 1H-indole; (E)-4-(2,6,6-trimethylcyclohex-1-en-1-yl)but-3-en-2-one; (E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one; 3-methylbutyl acetate; (E)-2-methoxy-4-(prop-1-en-1-yl)phenol; 2-isopropyl-5-methylcyclohexanone; isopropyl 2-methylbutanoate; (E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one; (Z)-3-methyl-2-(pent-2-en-1-yl)cyclopent-2-enone; 3-butyl-5-methyltetrahydro-2H-pyran-4-yl acetate; 3-pentyltetrahydro-2H-pyran-4-yl acetate; (Z)-hex-3-en-1-yl methyl carbonate; 3-(4-(tert-butyl)phenyl)-2-methylpropanal; 1-methyl-4-prop-1-en-2-yl-cyclohexene; 2-(5-methyl-5-vinyltetrahydrofuran-2-yl)propan-2-ol; 3,7-dimethylocta-1,6-dien-3-ol; 3,7-dimethylocta-1,6-dien-3-yl acetate; (4E)-9-hydroxy-5,9-dimethyl-4-decenal; 3-hydroxy-2-methyl-4H-pyran-4-one; ethyl 2-methylpentanoate; (4-isopropylcyclohexyl)methanol; 3-methyl-5-phenylpentan-1-ol; 2,6-dimethylhept-5-enal; 2-isopropyl-5-methylcyclohexanol; 2-isopropyl-5-methylcyclohexanone; methyl 2-aminobenzoate; methyl benzoate; methyl 3-phenylprop-2-enoate; 2-ethoxy-4-(methoxymethyl)phenol; methyl 2-hexyl-3-oxocyclopentane-1-carboxylate; 6-methylhept-5-en-2-one; 8-methyl-1-oxaspiro[4.5]decan-2-one; methyl non-2-ynoate; methyl 2-hydroxybenzoate; (Z)-3-methylcyclopentadec-5-enone; 4-(4-methylpent-3-en-1-yl)cyclohex-3-enecarbaldehyde; 7-methyl-3-methyleneocta-1,6-diene; 2-methylundecanoic acid; 2-(2-(4-methylcyclohex-3-en-1-yl)propyl)cyclopentanone; (E)-methyl non-2-enoate; (2Z)-3,7-dimethylocta-2,6-dien-1-ol; (E)-3,7,11-trimethyldodeca-1,6,10-trien-3-ol; 2-ethoxynaphthalene; (Z)-3,7-dimethylocta-2,6-dien-1-yl acetate; (E)-13-methyloxacyclopentadec-10-en-2-one; (2E,6Z)-nona-2,6-dienal; (2Z,6E)-2,6-nonadien-1-ol; 5-pentyloxolan-2-one; (Z)-non-6-enal; (Z)-non-6-en-1-ol; 2-(6,6-dimethylbicyclo[3.1.1]hept-2-en-2-yl)ethyl acetate; 3-(4-(2-methylpropyl)-2-methylphenyl)propanal; octan-2-one; 1-(2-naphtalenyl)-ethanone; (2-methoxyethyl)benzene; 5-heptyldihydrofuran-2(3H)-one; 3,7-dimethyloctan-1-ol; 2-cyclohexylhepta-1,6-dien-3-one; 2-(phenoxy)ethyl 2-methylpropanoate; 2-phenyl-ethanal; 2-phenylethyl acetate; 2-phenylethanol; 2-phenylethyl 2-methylpropanoate; 2-phenylethyl 2-phenylacetate; 3-phenylpropan-1-ol; 6,6-dimethyl-2-methylenebicyclo[3.1.1]heptane; 3-(6,6-dimethylbicyclo[3.1.1]hept-2-en-2-yl)propanal; (2E,5E)-5,6,7-trimethylocta-2,5-dien-4-one; 1-methyl-4-(4-methylpent-3-en-1-yl)cyclohex-3-enecarbaldehyde; 3-methylbut-2-en-1-yl acetate; 4-(4-hydroxyphenyl)butan-2-one; 4-methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran; 4-methyl-2-phenyl-3,6-dihydro-2H-pyran; 3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pentan-2-ol; ethyl (Z)-2-acetyl-4-methyltridec-2-enoate; 4-(dodecylthio)-4-methylpentan-2-one; cyclopentadecanone, hexadecanolide; 1-phenylethyl acetate; (E)-6-ethyl-3-methyloct-6-en-1-ol; (E)-2-((3,5-dimethylhex-3-en-2-yl)oxy)-2-methylpropyl cyclopropanecarboxylate; 1-methyl-4-propan-2-ylcyclohexa-1,4-diene; 2-(4-methyl-1-cyclohex-3-enyl)propan-2-ol; 2-(4-methylcyclohex-3-en-1-yl)propan-2-ol; 1-methyl-4-(propan-2-ylidene)cyclohex-1-ene; 2-(4-methyl-1-cyclohex-3-enyl)propan-2-yl acetate; 3,7-dimethyloctan-3-ol; oxacyclohexadecan-2-one; 2-isopropyl-5-methylphenol; 1-(cyclopropylmethyl)-4-methoxybenzene; (E)-tridec-2-enenitrile; 3-phenylbutanal; 3-(benzo[d][1,3]dioxol-5-yl)-2-methylpropanal; undecan-2-one; (3E,5Z)-undeca-1,3,5-triene; (E)-4-methyldec-3-en-5-ol; 4-hydroxy-3-methoxybenzaldehyde; (Z)-cyclohexadec-5-enone; and (2E,6Z)-nona-2,6-dienenitrile; 2-methoxynaphtalene.

3. The encapsulated composition according to claim 2, wherein each of the biodegradable ingredient(s) is/are present at a concentration equal to or less than the following maximum concentrations: 1-phenylethanone: 0.5 wt.-% 2,6,10-trimethylundec-9-enal: 1 wt.-% 2-(tert-butyl)cyclohexyl acetate: 50 wt.-% hexan-1-ol: 10 wt.-% decanal: 10 wt.-% 2-methyldecanal: 0.5 wt.-% undec-10-enal: 2 wt.-% undecanal: 5 wt.-% dodecanal: 10 wt.-% 2-methylundecanal: 50 wt.-% hexanal: 5 wt.-% octanal: 5 wt.-% 3,5,5-trimethylhexanal: 0.5 wt.-% nonanal: 5 wt.-% (E)-undec-9-enal: 5 wt.-% prop-2-enyl 2-(3-methylbutoxy)acetate: 5 wt.-% prop-2-enyl hexanoate: 5 wt.-% prop-2-enyl 3-cyclohexylpropanoate: 10 wt.-% prop-2-enyl heptanoate: 10 wt.-% 3,8,8,11a-tetramethyldodecahydro-1H-3,5a-epoxynaphtho[2,1-c]oxepine: 2 wt.-% (Z)-oxacycloheptadec-10-en-2-one: 2 wt.-% (3aR,5aS,9aS,9bR)-3a,6,6,9a-tetramethyl-2,4,5,5a,7,8,9,9b-octahydro-1H-benzo[e][1]benzofuran: 2 wt.-% pentyl butanoate: 2 wt.-% (Z)-2-benzylideneheptanal: 5 wt.-% pentyl 2-hydroxybenzoate: 50 wt.-% (E)-1-methoxy-4-(prop-1-en-1-yl)benzene: 2 wt.-% 4-methoxybenzyl acetate: 15 wt.-% 1-(3,3-dimethylcyclohexyl)ethyl formate: 0.5 wt.-% 4-methoxybenzaldehyde: 5 wt.-% (E)-methyl 2-((7-hydroxy-3,7-dimethyloctylidene)amino)benzoate: 0.2 wt.-% benzaldehyde: 1 wt.-% benzyl acetate: 10 wt.-% 4-phenylbutan-2-one: 10 wt.-% phenylmethanol: 10 wt.-% benzyl benzoate: 85 wt.-% benzyl 3-phenylprop-2-enoate: 2 wt.-% benzyl 2-hydroxybenzoate: 75 wt.-% octahydro-2H-chromen-2-one: 2 wt.-% (1S,2S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ol: 10 wt.-% (2S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-yl acetate: 35 wt.-3-(4-(tert-butyl)phenyl)propanal: 2 wt.-% butyl acetate: 2 wt.-% 4-(tert-butyl)cyclohexyl acetate: 50 wt.-% (1S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-one: 25 wt.-% (5R)-2-methyl-5-prop-1-en-2-ylcyclohex-2-en-1-one: 25 wt.-% (1R,6S,8aS)-6-methoxy-1,4,4,6-tetramethyloctahydro-1H-5,8a-methanoazulene: 5 wt.-% (E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)hepta-1,6-dien-3-one: 0.5 wt.-% (E)-3-phenylprop-2-en-1-ol: 10 wt.-% (2E)-3-phenylprop-2-enal: 35 wt.-% (E)-3-phenylprop-2-en-1-yl acetate: 0.5 wt.-% (Z)-hex-3-en-1-ol: 25 wt.-% (Z)-3-methyl-2-(pent-2-en-1-yl)cyclopent-2-enone: 2 wt.-% (E)-3,7-dimethylocta-2,6-dienal: 5 wt.-% 3,7-dimethyloct-6-enal: 1 wt.-% 3,7-dimethyloct-6-en-1-ol: 25 wt.-% 3,7-dimethyloct-6-en-1-yl acetate: 25 wt.-% 3,7-dimethyloct-6-en-1-yl formate: 1 wt.-% 3,7-dimethyloct-6-enenitrile: 10 wt.-% dodecanenitrile: 10 wt.-% 4-cyclohexyl-2-methylbutan-2-ol: 5 wt.-% 2-hydroxy-3-methylcyclopent-2-enone: 5 wt.-% (Z)-3-methylcyclotetradec-5-enone: 5 wt.-% 2H-chromen-2-one: 5 wt.-% 1-methoxy-4-methylbenzene: 1 wt.-% 4-isopropylbenzonitrile: 0.5 wt.-% 3-(4-isopropylphenyl)-2-methylpropanal: 5 wt.-% (E)-1-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)but-2-en-1-one: 2.5 wt.-% (E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one: 5 wt.-% 5-hexyloxolan-2-one: 15 wt.-% (E)-dec-4-enal: 1 wt.-% 1-methoxy-4-propylbenzene: 2 wt.-% 2,6-dimethyloct-7-en-2-ol: 50 wt.-% 2-methyl-1-phenylpropan-2-yl acetate: 75 wt.-% 2-methyl-1-phenylpropan-2-yl butanoate: 50 wt.-% 2,6-dimethylheptan-2-ol: 5 wt.-% oxydibenzene: 15 wt.-% (E)-dodec-2-enal: 0.1 wt.-% (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol: 5 wt.-% ethyl cyclohexyl carboxylate: 0.5 wt.-% ethyl acetate: 10 wt.-% ethyl 3-oxobutanoate: 2 wt.-% ethyl 3-phenylprop-2-enoate: 2 wt.-% ethyl hexanoate: 10 wt.-% (E)-3,7-dimethylnona-1,6-dien-3-ol: 35 wt.-% 2-ethyl-3-hydroxy-4H-pyran-4-one: 10 wt.-% ethyl 2-methylbutanoate: 15 wt.-% ethyl heptanoate: 5 wt.-% 3-ethoxy-4-hydroxybenzaldehyde: 10 wt.-% 1,4-dioxacycloheptadecane-5,17-dione: 25 wt.-% (1s,4s)-1,3,3-trimethyl-2-oxabicyclo[2.2.2]octane: 25 wt.-% 4-allyl-2-methoxyphenol: 5 wt.-% methyl 2,4-dihydroxy-3,6-dimethylbenzoate: 2 wt.-% (1S,2R,4R)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-ol: 2 wt.-% 3-(4-methoxyphenyl)-2-methylpropanal: 2 wt.-% 3-(3-isopropylphenyl)butanal: 5 wt.-% tetrahydro-4-methyl-2-(2-methylpropyl)-2H-pyran-4-ol: 10 wt.-% 2-(sec-butyl)cyclohexanone: 10 wt.-% 2-methyldecanenitrile: 1 wt.-% 1-(5,5-dimethylcyclohex-1-en-1-yl)pent-4-en-1-one: 5 wt.-% (E)-3,7-dimethylocta-2,6-dien-1-ol: 25 wt.-% (E)-3,7-dimethylocta-2,6-dien-1-yl acetate: 10 wt.-% (E)-6,10-dimethylundeca-5,9-dien-2-one: 1 wt.-% (E)-oxacyclohexadec-12-en-2-one: 15 wt.-% methyl 3-oxo-2-pentylcyclopentaneacetate: 75 wt.-% benzo[d][1,3]dioxole-5-carbaldehyde: 10 wt.-% (E)-hex-2-enal: 1 wt.-% (Z)-hex-3-en-1-ol: 15 wt.-% (Z)-hex-3-en-1-yl acetate: 15 wt.-% (Z)-hex-3-en-1-yl 2-methylpropanoate: 1 wt.-% (Z)-hex-3-en-1-yl 2-hydroxybenzoate: 15 wt.-% hexyl acetate: 15 wt.-% (E)-2-benzylideneoctanal: 25 wt.-% hexyl 2-methylpropanoate: 5 wt.-% hexyl 2-hydroxybenzoate: 85 wt.-% 7-hydroxy-3,7-dimethyloctanal: 1 wt.-% 1H-indole: 0.5 wt.-% (E)-4-(2,6,6-trimethylcyclohex-1-en-1-yl)but-3-en-2-one: 25 wt.-% (E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one: 25 wt.-% 3-methylbutyl acetate: 5 wt.-% (E)-2-methoxy-4-(prop-1-en-1-yl)phenol: 1 wt.-% 2-isopropyl-5-methylcyclohexanone: 1 wt.-% isopropyl 2-methylbutanoate: 5 wt.-% (E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one: 50 wt.-% (Z)-3-methyl-2-(pent-2-en-1-yl)cyclopent-2-enone: 0.5 wt.-% 3-butyl-5-methyltetrahydro-2H-pyran-4-yl acetate: 15 wt.-% 3-pentyltetrahydro-2H-pyran-4-yl acetate: 50 wt.-% (Z)-hex-3-en-1-yl methyl carbonate: 5 wt.-% 3-(4-(tert-butyl)phenyl)-2-methylpropanal: 25 wt.-% 1-methyl-4-prop-1-en-2-yl-cyclohexene: 85 wt.-% 2-(5-methyl-5-vinyltetrahydrofuran-2-yl)propan-2-ol: 1 wt.-% 3,7-dimethylocta-1,6-dien-3-ol: 25 wt.-% 3,7-dimethylocta-1,6-dien-3-yl acetate: 25 wt.-% (4E)-9-hydroxy-5,9-dimethyl-4-decenal: 10 wt.-% 3-hydroxy-2-methyl-4H-pyran-4-one: 1 wt.-% ethyl 2-methylpentanoate: 10 wt.-% (4-isopropylcyclohexyl)methanol: 5 wt.-% 3-methyl-5-phenylpentan-1-ol: 10 wt.-% 2,6-dimethylhept-5-enal: 2 wt.-% 2-isopropyl-5-methylcyclohexanol: 85 wt.-% 2-isopropyl-5-methylcyclohexanone: 2 wt.-% methyl 2-aminobenzoate: 15 wt.-% methyl benzoate: 1 wt.-% methyl 3-phenylprop-2-enoate: 10 wt.-% 2-ethoxy-4-(methoxymethyl)phenol: 1 wt.-% methyl 2-hexyl-3-oxocyclopentane-1-carboxylate: 5 wt.-% 6-methylhept-5-en-2-one: 5 wt.-% 8-methyl-1-oxaspiro[4.5]decan-2-one: 2 wt.-% methyl non-2-ynoate: 1 wt.-% methyl 2-hydroxybenzoate: 1 wt.-% (Z)-3-methylcyclopentadec-5-enone: 0.5 wt.-% 4-(4-methylpent-3-en-1-yl)cyclohex-3-enecarbaldehyde: 2 wt.-% 7-methyl-3-methyleneocta-1,6-diene: 0.5 wt.-% 2-methylundecanoic acid: 0.5 wt.-% 2-(2-(4-methylcyclohex-3-en-1-yl)propyl)cyclopentanone: 50 wt.-% (E)-methyl non-2-enoate: 2 wt.-% (2Z)-3,7-dimethylocta-2,6-dien-1-ol: 10 wt.-% (E)-3,7,11-trimethyldodeca-1,6,10-trien-3-ol: 5 wt.-% 2-ethoxynaphthalene: 10 wt.-% (Z)-3,7-dimethylocta-2,6-dien-1-yl acetate: 0.5 wt.-% (E)-13-methyloxacyclopentadec-10-en-2-one: 2 wt.-% (2E,6Z)-nona-2,6-dienal: 0.5 wt.-% (2Z,6E)-2,6-nonadien-1-ol: 0.1 wt.-% 5-pentyloxolan-2-one: 15 wt.-% (Z)-non-6-enal: 0.5 wt.-% (Z)-non-6-en-1-ol: 0.5 wt.-% 2-(6,6-dimethylbicyclo[3.1.1]hept-2-en-2-yl)ethyl acetate: 5 wt.-% 3-(4-(2-methylpropyl)-2-methylphenyl)propanal: 25 wt.-% octan-2-one: 5 wt.-% 1-(2-naphtalenyl)-ethanone: 10 wt.-% (2-methoxyethyl)benzene: 2 wt.-% 5-heptyldihydrofuran-2(3H)-one: 25 wt.-% 3,7-dimethyloctan-1-ol: 10 wt.-% 2-cyclohexylhepta-1,6-dien-3-one: 2 wt.-% 2-(phenoxy)ethyl 2-methylpropanoate: 10 wt.-% 2-phenyl-ethanal: 0.5 wt.-% 2-phenylethyl acetate: 15 wt.-% 2-phenylethanol: 25 wt.-% 2-phenylethyl 2-methylpropanoate: 2 wt.-% 2-phenylethyl 2-phenylacetate: 5 wt.-% 3-phenylpropan-1-ol: 1 wt.-% 6,6-dimethyl-2-methylenebicyclo[3.1.1]heptane: 0.5 wt.-% 3-(6,6-dimethylbicyclo[3.1.1]hept-2-en-2-yl)propanal: 0.1 wt.-% (2E,5E)-5,6,7-trimethylocta-2,5-dien-4-one: 2 wt.-% 1-methyl-4-(4-methylpent-3-en-1-yl)cyclohex-3-enecarbaldehyde: 2 wt.-% 3-methylbut-2-en-1-yl acetate: 10 wt.-% 4-(4-hydroxyphenyl)butan-2-one: 5 wt.-% 4-methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran: 2 wt.-% 4-methyl-2-phenyl-3,6-dihydro-2H-pyran: 2 wt.-% 3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pentan-2-ol: 10 wt.-% ethyl (Z)-2-acetyl-4-methyltridec-2-enoate: 0.5 wt.-% 4-(dodecylthio)-4-methylpentan-2-one: 0.5 wt.-% cyclopentadecanone, hexadecanolide: 20 wt.-% 1-phenylethyl acetate: 5 wt.-% (E)-6-ethyl-3-methyloct-6-en-1-ol: 2 wt.-% (E)-2-((3,5-dimethylhex-3-en-2-yl)oxy)-2-methylpropyl cyclopropanecarboxylate: 5 wt.-% 1-methyl-4-propan-2-ylcyclohexa-1,4-diene: 5 wt.-% 2-(4-methyl-1-cyclohex-3-enyl)propan-2-ol: 1 wt.-% 2-(4-methylcyclohex-3-en-1-yl)propan-2-ol: 25 wt.-% 1-methyl-4-(propan-2-ylidene)cyclohex-1-ene: 15 wt.-% 2-(4-methyl-1-cyclohex-3-enyl)propan-2-yl acetate: 25 wt.-% 3,7-dimethyloctan-3-ol: 50 wt.-% oxacyclohexadecan-2-one: 10 wt.-% 2-isopropyl-5-methylphenol: 10 wt.-% 1-(cyclopropylmethyl)-4-methoxybenzene: 10 wt.-% (E)-tridec-2-enenitrile: 15 wt.-% 3-phenylbutanal: 5 wt.-% 3-(benzo[d][1,3]dioxol-5-yl)-2-methylpropanal: 5 wt.-% undecan-2-one: 0.1 wt.-% (3E,5Z)-undeca-1,3,5-triene: 0.1 wt.-% (E)-4-methyldec-3-en-5-ol: 25 wt.-% 4-hydroxy-3-methoxybenzaldehyde: 5 wt.-% (Z)-cyclohexadec-5-enone: 0.1 wt.-% (2E,6Z)-nona-2,6-dienenitrile: 0.1 wt.-% 2-methoxynaphtalene: 15 wt.-%

4. The encapsulated composition according to claim 2, wherein each of the biodegradable ingredient(s) is/are present at a concentration equal to or higher than the minimum concentration of 0.01 wt.-%.

5. The encapsulated composition according to claim 1, wherein the water-soluble matrix comprises at least one material selected from the group consisting of starch, maltodextrin, mannitol, chitosan, gum Arabic, alginate, cellulose, pectins, gelatin, polyvinyl alcohol and mixtures thereof.

6. The encapsulated composition according to claim 31, wherein the water-soluble matrix comprises a water-soluble modified starch selected from the group consisting of bleached starch, hydroxypropyl starch, hydroxypropyl distarch phosphate, dydroxypropyl distarch glycerol, acetylated distarch phosphate, starch acetate esterified with acetic anhydride, starch acetate esterified with vinyl acetate, acetylated distarch adipate, acetylated distarch glycerol, starch sodium octenyl succinate and mixtures thereof.

7. The encapsulated composition according to claim 6, wherein the water-soluble matrix additionally comprises a material selected from the group consisting of maltodextrin, mannitol and mixtures thereof.

8. The encapsulated composition according to claim 5, wherein the water-soluble matrix additionally comprises a hemicellulose.

9. The encapsulated composition according to claim 8, wherein the hemicellulose is a xyloglucan, in particular a xyloglucan obtainable from tamarind seeds.

10. The encapsulated composition according to claim 1, wherein the perfume composition is at least partially encapsulated in core-shell microcapsules comprising a core and a shell surrounding the core.

11. The encapsulated composition according to claim 10, wherein the perfume composition is fully encapsulated in the core-shell microcapsules.

12. The encapsulated composition according to claim 1, wherein the proportion of the perfume composition is 10 to 50 wt relative to the total weight of the encapsulated composition.

13. The encapsulated composition according to claim 1, wherein the proportion of the water-soluble matrix is 30 to 90 wt relative to the total weight of the encapsulated composition.

14. The encapsulated composition according to claim 10, wherein the proportion of the perfume composition, which is encapsulated in the core-shell microcapsules, is 5 to 30 wt relative to the total weight of the encapsulated composition.

15. The encapsulated composition according to claim 1, a wherein the composition is in particulate form.

16. A powder formulation comprising an encapsulated composition according to claim 15.

17. The powder formulation according to claim 16, additionally comprising a solid carrier.

18. The powder formulation according to claim 17, wherein the solid carrier is selected from the group consisting of urea, sodium chloride, sodium sulphate, sodium acetate, zeolite, sodium carbonate, sodium bicarbonate, clay, talc, calcium carbonate, magnesium sulfate, gypsum, calcium sulfate, magnesium oxide, zinc oxide, titanium dioxide, calcium chloride, potassium chloride, magnesium chloride, zinc chloride, saccharides, polyethylene glycol, polyvinylpyrrolidone, citric acid or any water soluble solid acid, fatty alcohols, fatty acids and mixtures thereof.

19. The powder formulation according to claim 16, wherein the proportion of the encapsulated composition is 0.1 to 50 wt relative to the total weight of the encapsulated composition; and the proportion of the solid carrier is 10 to 99.9 wt relative to the total weight of the encapsulated composition.

20. A process of preparing an encapsulated composition according to claim 1, the process comprising the steps of: a) Preparing an emulsion or a suspension of a perfume composition in a solution of a matrix material in water; b) Subjecting the emulsion or the suspension to drying to obtain an encapsulated composition in which the perfume composition is entrapped in a water-soluble matrix; wherein the perfume composition comprises at least one biodegradable ingredient which is present at a total concentration of at least 75 wt.-% relative to the total weight of the perfume composition.

21. An encapsulated composition a prepared by the process according to claim 20.

22. A consumer product comprising an encapsulated composition according to claim 1.

23. A solid scent booster composition comprising an encapsulated composition according to claim 1, and a solid vehicle.

24. The solid scent booster composition according to claim 23, wherein the solid scent booster composition is in form of a plurality of pastilles.

25. The solid scent booster composition according to claim 23, additionally comprising a non-encapsulated perfume composition.

26. The solid scent booster composition according to claim 23, additionally comprising core-shell microcapsules comprising a core and a shell surrounding the core.

27. The solid scent booster composition according to claim 23, wherein the solid vehicle has a melting temperature of 40° C. to 160° C.

28. The solid scent booster composition according to claim 23, wherein the solid vehicle comprises a polyol or a polyether.

29. The solid scent booster composition according to claim 23, wherein the proportion of the encapsulated composition 1 wt.-% to 40 wt.-% relative to the total weight of the solid scent booster composition.

30. A method of obtaining a consumer product, the met comprising the incorporation of the encapsulated composition of claim 1 in consumer product.

31. The encapsulated composition according to claim 5, wherein the starch is a water-soluble modified starch.

32. A consumer product of claim 22 which is selected from a fabric care product, a home care product and a personal care product.

Description

EXAMPLE 1: PERFUME COMPOSITIONS CONSISTING OF BIODEGRADABLE INGREDIENTS

[0405] Perfume compositions consisting of biodegradable ingredients can be prepared by mixing such ingredients according to the formulae provided in Table 1.

TABLE-US-00005 TABLE 1 Perfume No. 1 2 3 4 5 6 7 Ingredient Amount (wt.-%) 2-(tert-butyl)cyclohexyl acetate 5.0 22.0 15.0 8.0 undec-10-enal 0.4 undecanal 1.0 dodecanal 1.0 2-methylundecanal 2.0 prop-2-enyl 2-(3-methylbutoxy)acetate 5.0 prop-2-enyl 3-cyclohexylpropanoate 7.5 4.0 prop-2-enyl hexanoate 6.0 prop-2-enyl heptanoate 6.0 pentyl 2-hydroxybenzoate 12.0 4-methoxybenzaldehyde 2.0 1.0 benzyl acetate 3.0 4.0 benzyl 2-hydroxybenzoate 8.5 6.0 (1S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan- 2.0 2-one (1S,8aR)-1,4,4,6-tetramethyl-2,3,3a,4,5,8- 4.0 hexahydro-1H-5,8a-methanoazulene (1S,6R,8aR)-1,4,4,6-tetramethyloctahydro- 2.0 1H-5,8a-methanoazulen-6-yl acetate (1R,6S,8aS)-6-methoxy-1,4,4,6- 1.0 2.0 tetramethyloctahydro-1H-5,8a- methanoazulene (E)-3-phenylprop-2-en-1-ol 2.0 (2E)-3-phenylprop-2-enal 0.5 (E)-3,7-dimethylocta-2,6-dienal 2.0 3,7-dimethyloct-6-enal 2.0 2H-chromen-2-one 2.0 2.0 1-methoxy-4-methylbenzene 0.5 3-(4-isopropylphenyl)-2-methylpropanal 5.0 (E)-1-(2,6,6-trimethylcyclohexa-1,3-dien-1- 0.5 yl)but-2-en-1-one (E)-1-(2,6,6-trimethylcyclohex-2-en-1- 1.0 1.0 3.0 yl)but-2-en-1-one (E)-dec-4-enal 0.1 2,6-dimethyloct-7-en-2-ol 15.0 3.0 4.0 2-methyl-1-phenylpropan-2-yl acetate 15.0 2-methyl-1-phenylpropan-2-yl butanoate 1.0 1-methyl-4-(prop-1-en-2-yl)cyclohex-1-ene 5.0 3.0 10.0 oxydibenzene 1.0 2.0 ethyl hexanoate 3.0 ethyl 2-methyl butyrate 2.0 ethyl heptanoate 7.5 2.0 1,4-dioxacycloheptadecane-5,17-dione 10.0 (1s,4s)-1,3,3-trimethyl-2- 4.0 1.0 15.0 oxabicyclo[2.2.2]octane 4-allyl-2-methoxyphenol 2.0 methyl 2,4-dihydroxy-3,6-dimethylbenzoate 1.0 (2S)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-yl 2.0 acetate 3-(3-isopropylphenyl)butanal 4.0 2-(sec-butyl)cyclohexanone 1.0 1-(5,5-dimethylcyclohex-1-en-1-yl)pent-4- 0.5 2.0 en-1-one (E)-3,7-dimethylocta-2,6-dien-1-ol 3.5 methyl 3-oxo-2-pentylcyclopentaneacetate 6.0 8.0 (E)-hex-2-enal 0.5 (Z)-hex-3-en-1-ol 1.0 (Z)-hex-3-en-1-yl acetate 1.0 (Z)-hex-3-en-1-yl butanoate 2.0 hexyl acetate 15.0 7.0 (E)-2-benzylideneoctanal 2.0 9.0 hexyl 2-methylpropanoate 3.0 (E)-4-(2,6,6-trimethylcyclohex-1-en-1- 3.0 8.0 12.0 yl)but-3-en-2-one (E)-4-(2,6,6-trimethylcyclohex-2-en-1- 1.4 yl)but-3-en-2-one 3-methylbutyl acetate 2.5 1.0 4.0 [(1R,4S,6R)-1,7,7-trimethyl-6- 3.0 12.0 bicyclo[2.2.1]heptanyl] acetate (E)-2-methoxy-4-(prop-1-en-1-yl)phenol 0.5 (E)-3-methyl-4-(2,6,6-trimethylcyclohex-2- 2.0 5.0 en-1-yl)but-3-en-2-one (2E,6Z)-3,7-dimethylnona-2,6-dienenitrile 1.0 (Z)-hex-3-en-1-yl methyl carbonate 1.5 3,7-dimethylocta-1,6-dien-3-ol 18.0 14.0 15.0 3,7-dimethylocta-1,6-dien-3-yl acetate 0.5 2.0 5.0 15.0 (3R,3aR,8R,8aS)-4,4,8-trimethyl-9- 2.0 methylenedecahydro-3,8-methanoazulene ethyl 2-methylpentanoate 5.0 5.0 0.3 (4-isopropylcyclohexyl)methanol 2.0 methyl 2-aminobenzoate 1.0 methyl non-2-ynoate 0.5 2-(2-(4-methylcyclohex-3-en-1- 3.5 1.0 1.0 yl)propyl)cyclopentanone 2-ethoxynaphthalene 5.0 1-(3-methylbenzofuran-2-yl)ethanone 1.0 3-(4-(2-methylpropyl)-2- 1.0 2.0 15.0 methylphenyl)propanal 1-(2-naphtalenyl)-ethanone 1.0 1.0 4-(tert-butyl)cyclohexyl acetate 12.5 25.0 5-heptyldihydrofuran-2(3H)-one 6.5 3.0 2-cyclohexylhepta-1,6-dien-3-one 0.5 2-phenylethyl acetate 1.0 2-phenylethanol 4.0 5-pentyldihydrofuran-2(3H)-one 1.0 2.0 4-(4-hydroxyphenyl)butan-2-one 2.0 dec-9-en-1-ol 0.5 4-methyl-2-(2-methylprop-1-en-1- 0.2 yl)tetrahydro-2H-pyran 4-methyl-2-phenyl-3,6-dihydro-2H-pyran 0.1 4-(dodecylthio)-4-methylpentan-2-one 0.5 1-phenylethyl acetate 2.0 2.0 (E)-2-((3,5-dimethylhex-3-en-2-yl)oxy)-2- 2.5 methylpropyl cyclopropanecarboxylate 1-methyl-4-propan-2-ylcyclohexa-1,4-diene 2.0 2-(4-methylcyclohex-3-en-1-yl)propan-2-ol 9.0 1.0 1-methyl-4-(propan-2-ylidene)cyclohex-1- 3.0 5.0 ene 2-(4-methyl-1-cyclohex-3-enyl)propan-2-yl 4.0 10.0 acetate 3,7-dimethyloctan-3-ol 15.0 26.0 40.0 1-(cyclopropylmethyl)-4-methoxybenzene 1.0 3-phenylbutanal 2.0 2.0 (E)-4-methyldec-3-en-5-ol 3.0 7.5 2-methoxynaphtalene 1.5 2.0 1.0 Total 100.0 100.0 100.0 100.0 100.0 100.0 100.0

EXAMPLE 2: DEGRADATION TESTS OF PERFUME COMPOSITIONS

[0406] Perfume compositions according to Table 1 can be submitted to biodegradation testing as described herein above. Since all ingredients used in these perfume compositions are biodegradable ingredients, the perfume compositions will be found to be particularly beneficial in terms of biodegradation.

EXAMPLE 3: PREPARATION OF ENCAPSULATED COMPOSITION

[0407] An encapsulated composition according to the present invention can be prepared as follows: [0408] Tap water (50.0 g) is weighted into a stainless steel beaker. Starch sodium octenyl succinate E1450 (20.0 g), starch modified Hi-Cap 100 (3.0 g) and maltodextrin Glucidex IT-19 (6.0 g) are subsequently weighted into the same beaker. The resulting mixture is first manually stirred with a stainless steel rod and then homogenized with an IKA T25 Ultra-Turrax Homogenizer at 13,500 rpm to obtain a homogeneous solution. To this resulting mixture, perfume oil (Table 1; 20.0 g) is added. High shear mixing is then carried out for 20-30 min at 22,000-24,000 rpm using the same Homogenizer to produce an emulsion. The droplet size is controlled by dynamic light scattering to be between 0.5 and 2 μm.

[0409] The emulsion is subjected to spray drying using a LabPlant SD-06 Spray Dryer. The spray drying process parameters are as follows: [0410] Inlet Temperature: 190° C. [0411] Outlet Temperature: 90° C. [0412] Peristaltic pump speed: 485 mL/h [0413] Air flow rate: 3.7 m/s

[0414] The resulting spray dried powder is mixed with silicon dioxide Aerosil 200 (1.0 g) in a closed mixing vessel.

EXAMPLE 4: PREPARATION OF ENCAPSULATED COMPOSITION

[0415] An alternative example of an encapsulated composition according to the present invention can be prepared as follows:

[0416] Tap water (55.0 g) is weighted into a stainless steel beaker. Starch sodium octenyl succinate E1450 (18.7 g), starch modified Hi-Cap 100 (2.2 g), maltodextrin Glucidex IT-19 (5.3 g) and tamarind kernel powder (0.5 g) are subsequently weighted into the same beaker. The resulting mixture is first manually stirred with a stainless steel rod and then homogenized with an IKA T25 Ultra-Turrax Homogenizer at 13,500 rpm to obtain a homogeneous solution. To this resulting mixture, perfume oil (Table 1; 17.8 g) is added. High shear mixing is then carried out for 20-30 min at 22,000-24,000 rpm using the same Homogenizer to produce an emulsion. The droplet size is controlled by dynamic light scattering to be between 0.5 and 2 μm.

[0417] The emulsion is subjected to spray drying using a LabPlant SD-06 Spray Dryer. The spray drying process parameters are as follows: [0418] Inlet Temperature: 190° C. [0419] Outlet Temperature: 90° C. [0420] Peristaltic pump speed: 485 mL/h [0421] Air flow rate: 3.7 m/s

[0422] The resulting spray dried powder is mixed with silicon dioxide Aerosil 200 (0.5 g) in a closed mixing vessel.

EXAMPLE 5: PREPARATION OF ENCAPSULATED COMPOSITION

[0423] Yet another alternative example of an encapsulated composition according to the present invention can be prepared as follows: [0424] Tap water (45.0 g) is weighted into a stainless steel beaker. Starch sodium octenyl succinate E1450 (21.9 g), mannitol 60 (5.5 g) and tamarind kernel powder (0.5 g) are subsequently weighted into the same beaker. The resulting mixture is first manually stirred with a stainless steel rod and then homogenized with an IKA T25 Ultra-Turrax Homogenizer at 13,500 rpm to obtain a homogeneous solution. To the resulting mixture, perfume oil (Table 1; 27.3 g) is added. High shear mixing is then carried out for 20-30 min at 22,000-24,000 rpm using the same Homogenizer to produce an emulsion.

[0425] The droplet size is controlled by dynamic light scattering to be between 0.5 and 2 μm.

[0426] The emulsion is subjected to spray drying using a LabPlant SD-06 Spray Dryer. The spray drying process parameters are as follows: [0427] Inlet Temperature: 190° C. [0428] Outlet Temperature: 90° C. [0429] Peristaltic pump speed: 485 mL/h [0430] Air flow rate: 3.7 m/s [0431] The resulting spray dried powder is mixed with silicon dioxide Aerosil 200 (0.5 g) in a closed mixing vessel.

EXAMPLE 6: PREPARATION OF ENCAPSULATED COMPOSITION

[0432] A further example of an encapsulated composition according to the present invention can be prepared as follows: [0433] Tap water (55.0 g) is weighted into a stainless steel beaker. Starch sodium octenyl succinate E1450 (12.3 g), and mannitol 60 (3.1 g) are subsequently weighted into the same beaker. The resulting mixture is first manually stirred with a stainless steel rod and then homogenized with an IKA T25 Ultra-Turrax Homogenizer at 13,500 rpm to obtain a homogeneous solution. To this resulting mixture, perfume oil (Table 1; 15.3 g) is added. High shear mixing is then carried out for 20-30 min at 22,000-24,000 rpm using the same Homogenizer to produce an emulsion. The droplet size is controlled by dynamic light scattering to be between 0.5 and 2 μm.

[0434] To the emulsion is added a slurry of core-shell microcapsules (Examples 7-12; 14.0 g; containing 5.1 g of encapsulated fragrance) and agitated at 300 rpm for 10 min.

[0435] The resulting mixture is subjected to spray drying using a LabPlant SD-06 Spray Dryer. The spray drying process parameters are as follows: [0436] Inlet Temperature: 180° C. [0437] Outlet Temperature: 80° C. [0438] Peristaltic pump speed: 485 mL/h [0439] Air flow rate: 3.7 m/s

[0440] The resulting spray dried powder is mixed with silicon dioxide Aerosil 200 (0.3 g) and sodium sulfate (90 g) in a closed mixing vessel.

EXAMPLE 7: PREPARATION OF MELAMINE-FORMALDEHYDE MICROCAPSULES

[0441] Melamine-formaldehyde core-shell microcapsules for use in the present invention can be prepared by performing the following procedures with a perfume composition as described herein above (Table 1): [0442] Example 1.3 of WO 2008/098387 A1 [0443] Example 1 of WO 2016/207180 A1 [0444] Example 1 of WO 2017/001672 A1

EXAMPLE 8: PREPARATION OF POLYUREA MICROCAPSULES

[0445] Polyurea core-shell microcapsules for use in the present invention can be prepared by performing the following procedure with a perfume composition as described herein above (Table 1): [0446] Example 1 of WO 2019/174978 A1

EXAMPLE 9: PREPARATION OF CELLULOSE MICROCAPSULES

[0447] Core-shell microcapsules for use in the present invention can be prepared by performing the steps of: [0448] a) Preparing a core composition by admixing 0.66 g of bipodal aminosilane (bis(3-triethoxysilylpropyl)amine), 0.48 g of Takenate D-110N (ex Mitsui) and 38.5 g of perfume composition as described herein above (Table 1); [0449] b) Emulsifying the core composition obtained in step a) in a mixture of 1.35 g high methoxylated grade pectin (of type APA 104, ex Roeper) in 66.2 g of water by using a 300 ml reactor and a cross-beam stirrer with pitched beam operating at a stirring speed of 800 rpm at a temperature of 25+/−2° C. for 10 min; [0450] c) Adjusting the pH of the continuous phase of the emulsion to 6.5+/−0.5 with a 10% sodium hydroxide solution in water and maintaining the system at a temperature of 25+/−2° C. for 1 h while maintaining stirring as in step b); [0451] d) Increasing progressively the temperature to 85° C. over 2.5 h and maintaining the temperature at 85° C. for 1 h, while maintaining stirring as in steps b) and c) to complete the formation of core-shell capsules; [0452] e) Adding 1.8 g of 2-hydroxyethyl cellulose and continue stirring for 30 min at 85° C.; [0453] f) Adding 0.8 g of a solution of citric acid diluted at 30% in water and continue stirring for 1 h at 85° C.; [0454] g) Letting the slurry of core-shell capsules obtained in step f) cool to room temperature.

EXAMPLE 10: PREPARATION OF GELATIN COACERVATE MICROCAPSULES

[0455] Gelatin coacervate core-shell microcapsules for use in the present invention can be prepared by performing the following procedures with a perfume composition as described herein above (Table 1): [0456] Example 1 of WO 1996/020612 A1 [0457] Example 2 of WO 2001/03825 A1 [0458] One of Examples 1-3 of WO 2015/150370 A1

EXAMPLE 11: PREPARATION OF GELATIN COACERVATE MICROCAPSULES

[0459] Core-shell microcapsules for use in the present invention can be prepared by performing the steps of: [0460] a) Providing a core composition by dissolving 70 g of a trifunctional araliphatic isocyanate (Takenate N100-D, ex Mitsui Inc., 75 wt.-% active content) in 165 g of a perfume composition as described herein above (Table 1); [0461] b) Providing an aqueous phase by admixing 17 g of Type B gelatin and 150 g of deionized water; [0462] c) Heating up the aqueous phase to 35° C. under stirring, in order to dissolve the gelatin; [0463] d) Emulsifying the core composition in the aqueous phase obtained in step c) at a stirring rate of 1000 rpm, in order to obtain an emulsion of core composition droplets having a volume average diameter Dv(50) of 50 μm, dispersed in water; [0464] e) Heating the emulsion obtained in step d) to a temperature of 90° C. and maintaining the emulsion at this temperature for 10 min; [0465] f) Letting the slurry obtained in step e) cool down to a temperature of 31° C., in order to induce the simple coacervation of the cross-linked gelatin at the core-water-interface, forming thereby a slurry of core-shell microcapsules; [0466] g) Adding 80 g of a 2 wt.-% aqueous solution of carboxymethylcellulose in deionized water and then 534 g of deionized water to the slurry formed in step f), while maintaining the stirring rate at 1000 rpm; [0467] h) Adjusting the pH of the slurry to a value of 5.3 with a 10 wt.-% solution of citric acid in water; while reducing the stirring speed to 600 rpm, in order to form a cross-linked gelatin/polysaccharide coacervate at the surface of the microcapsules obtained in step f); [0468] i) Letting the slurry obtained in step h) cool down to a temperature of 10 to 15° C. over 1 h; [0469] j) Adding 0.26 g of glutaraldehyde while keeping the slurry under stirring at 15° C. for 1 min. Letting the slurry warm up to room temperature within 1 h, in order to obtain a slurry of microcapsules; [0470] k) Completing to 1000 g with deionized water.

EXAMPLE 12: PREPARATION OF POLYACRYLATE-BASED MICROCAPSULES

[0471] Polyacrylate-based core-shell microcapsules for use in the present invention can be prepared by performing the following procedure with a perfume composition as described herein above (Table 1): [0472] Example 1 of WO 2013/111912 A1 [0473] Example 1 of WO 2014/032920 A1

EXAMPLE 13: PREPARATION OF SOLID SCENT BOOSTER COMPOSITION

[0474] A solid scent booster composition can be prepared by performing the following steps: [0475] a) Xylitol powder (77 g) is combined with citric acid solution (55% in water; 3 g) inside a 150 ml beaker; [0476] b) The temperature of the resulting mixture is increased to 120° C. and maintained until the mixture is completely molten; [0477] c) The hot melt is stirred at 50 RPM during 5 min. The temperature is then decreased to 95° C.; [0478] d) A slurry of core-shell microcapsules (Examples 7-12; 9 g; containing 3.6 g of encapsulated fragrance) is added and stirring is maintained until capsules are homogeneously dispersed; [0479] e) Mixing is increased to 500 RPM and an encapsulated perfume composition according to one of Examples 3 to 5 (11 g) is dispersed in the hot melt; [0480] f) The mixture is pumped and distributed as hemispheric droplets on a silicone substrate; [0481] g) The hemispheric droplets are let to crystallize at room temperature; [0482] h) Solid scent boosters pastilles containing both encapsulated fragrance and free oil are obtained.

EXAMPLE 14: PREPARATION OF SOLID SCENT BOOSTER COMPOSITION

[0483] A solid scent booster composition can be prepared by performing the following steps: [0484] a) Xylitol powder (81 g) is combined with citric acid solution (55% in water; 3 g) inside a 150 ml beaker; [0485] b) The temperature of the resulting mixture is increased to 120° C. and maintained until the mixture is completely molten; [0486] c) The hot melt is stirred at 50 RPM during 5 min. The temperature is then decreased to 95° C.; [0487] d) Mixing is increased to 500 RPM and an encapsulated perfume composition according to Example 6 (16 g) is dispersed in the hot melt; [0488] e) The mixture is pumped and distributed as hemispheric droplets on a silicone substrate; [0489] f) The hemispheric droplets are let to crystallize at room temperature; [0490] g) Solid scent boosters pastilles containing both encapsulated fragrance and free oil are obtained.

EXAMPLE 15: PREPARATION OF SOLID SCENT BOOSTER COMPOSITION

[0491] A solid scent booster composition can be prepared by performing the following steps: [0492] a) Xylitol powder (79 g) is combined with citric acid solution (55% in water; 3 g) inside a 150 ml beaker; [0493] b) The temperature of the resulting mixture is increased to 120° C. and maintained until the mixture is completely molten; [0494] c) The hot melt is stirred at 50 RPM during 5 min. The temperature is then decreased to 95° C.; [0495] d) Spray-dried core-shell microcapsules (Examples 7-12; 7 g; containing 3.5 g of encapsulated fragrance) are added and stirring is maintained until capsules are homogeneously dispersed; [0496] e) Mixing is increased to 500 RPM and an encapsulated perfume composition according to one of Examples 3 to 5 (11 g) is dispersed in the hot melt;