Described are compositions comprising selected isolated 4-hydroxymethyl-prolines, or pharmaceutically acceptable salts or derivatives thereof. Also described are novel 4-hydroxymethyl-N-methyl-prolines, together with processes for their preparation, compositions containing them, as well as their use as medicaments and pharmaceuticals. Also described are processes for producing a herbal medicine comprising the step of monitoring the quality of said herbal medicine by detecting the presence or absence or measuring the amount of one or more 4-hydroxymethyl-N-methyl-prolines in a sample of said herbal medicine.

Provided are a pharmaceutical composition for preventing an alcoholic hangover or alleviating a hangover, comprising a Longan arillus extract as an active ingredient, and a food composition for alleviating a hangover, comprising a Longan arillus extract.

Provided are a pharmaceutical composition for preventing an alcoholic hangover or alleviating a hangover, comprising a Longan arillus extract as an active ingredient, and a food composition for alleviating a hangover, comprising a Longan arillus extract.

Provided are a pharmaceutical composition for preventing an alcoholic hangover or alleviating a hangover, comprising a Longan arillus extract as an active ingredient, and a food composition for alleviating a hangover, comprising a Longan arillus extract.

The present invention relates to a drug for treating leukopenia, its preparation method and use thereof. The drug of the invention is prepared from 200-30 parts by weight of Folium Epimedii, 100-160 parts by weight of Fructus Psoraleae, 60-120 parts by weight of Radix Aconiti Lateralis Preparata (Processed), 200-300 parts by weight of Fructus Lycii, 200-300 parts by weight of Radix Astragali, 200-300 parts by weight of Caulis Spatholobi, 200-300 parts by weight of Radix Rubiae, 100-160 parts by weight of Radix Angelicae Sinensis, 200-300 parts by weight of Rhizoma Phragmitis, 100-160 parts by weight of Radix Ophiopogonis and 100-160 parts by weight of Radix et Rhizoma Glycyrrhizae. The drug of the invention comprises chemical substances with weight ratios as follows: Leucine:guanosine:psoralenoside:isopsoralenoside:calycosin-7-glucoside:liquiritin:icariin A:1,3-dihydroxyl-2-hydroxymethylanthraquinone:epimedin A:epimedin B:epimedin C:icariin:1,3,6-trihydroxy-2-methylanthraquinone:glycyrrhizic acid=(0.13-0.27):(0.04-0.11):(0.11-0.34):(0.09-0.34):(0.05-0.11):(0.16-0.26):(0.09-0.12):(0.17-0.35):(0.11-0.16):(0.17-0.26):(0.49-0.59):1.00:(0.16-0.24):(0.08-0.14).

The present invention relates to a drug for treating leukopenia, its preparation method and use thereof. The drug of the invention is prepared from 200-30 parts by weight of Folium Epimedii, 100-160 parts by weight of Fructus Psoraleae, 60-120 parts by weight of Radix Aconiti Lateralis Preparata (Processed), 200-300 parts by weight of Fructus Lycii, 200-300 parts by weight of Radix Astragali, 200-300 parts by weight of Caulis Spatholobi, 200-300 parts by weight of Radix Rubiae, 100-160 parts by weight of Radix Angelicae Sinensis, 200-300 parts by weight of Rhizoma Phragmitis, 100-160 parts by weight of Radix Ophiopogonis and 100-160 parts by weight of Radix et Rhizoma Glycyrrhizae. The drug of the invention comprises chemical substances with weight ratios as follows: Leucine:guanosine:psoralenoside:isopsoralenoside:calycosin-7-glucoside:liquiritin:icariin A:1,3-dihydroxyl-2-hydroxymethylanthraquinone:epimedin A:epimedin B:epimedin C:icariin:1,3,6-trihydroxy-2-methylanthraquinone:glycyrrhizic acid=(0.13-0.27):(0.04-0.11):(0.11-0.34):(0.09-0.34):(0.05-0.11):(0.16-0.26):(0.09-0.12):(0.17-0.35):(0.11-0.16):(0.17-0.26):(0.49-0.59):1.00:(0.16-0.24):(0.08-0.14).

The present invention discloses an application of litchi chinensis pericarp extract mainly composed of polymer polyphenols in preparation of α-amylase inhibitor, which belongs to the technical field of biology. The litchi chinensis pericarp extract mainly composed of polymer polyphenols disclosed by the present invention has a very good inhibitory effect on α-amylase, whereas α-amylase is applied in weight and blood glucose reduction, biological pesticides, dental caries prevention, and osteoporosis prevention and treatment.

The present invention discloses an application of litchi chinensis pericarp extract mainly composed of polymer polyphenols in preparation of α-amylase inhibitor, which belongs to the technical field of biology. The litchi chinensis pericarp extract mainly composed of polymer polyphenols disclosed by the present invention has a very good inhibitory effect on α-amylase, whereas α-amylase is applied in weight and blood glucose reduction, biological pesticides, dental caries prevention, and osteoporosis prevention and treatment.

The application provides nutraceutical compositions supporting an active life style and helps with the post-exercise recover. In one embodiment, the nutraceutical composition includes a gelling component in a sufficient amount to provide a cohesive gelled product and an active component. The active component consists of a vitamin B composition, a carbohydrate composition, an amino acid composition, an antioxidant composition, and an anti-inflammatory.

The invention relates to the cosmetic use of a Nephelium lappaceum plant extract to reduce the harmful effects of pollution on the skin and/or skin appendages, advantageously the hair, by maintaining and/or increasing the cell viability and/or the ATP synthesis and/or the mitochondrial activity and/or by decreasing the cell senescence and/or the cell damage. The N. lappaceum extract increases the radiance of the complexion of the skin.