Provided is a tea flavor improving agent comprising 10 to 210 mg/L of a salt of pyrroloquinoline quinone as an active ingredient per liter of tea.

The present invention abstract describes the steps of a process for preparing black tea and the respective resulting product, wherein, in the initial step of the proposed process for producing black tea, the young yerba mate leaves (shoots) are placed to withering for a certain time. Next, the already withered leaves are rolled; afterwards the fermentation is carried out, and after such fermentation, drying and segregation are performed.

The present invention relates to a novel strain of Acetobacter malorum, compositions comprising said strain and to methods for the preparation of such compositions.

A system for producing kombucha-based alcoholic beverage includes a brew vessel for steeping tea to form a tea liquor, a primary fermentation vessel configured for anaerobic fermentation of a tea liquor into an alcoholic brew, a secondary fermentation vessel configured for further anaerobic fermentation of the alcoholic brew to an alcohol by volume (ABV) of at least 7%, an aerobic fermenter for fermenting tea liquor when mixed with sugar and inoculated with a symbiotic culture of bacteria and yeast (SCOBY) to form a fermented tea liquor, and a mixing tank dimensioned and configured to mix the alcoholic brew and the fermented tea liquor in desired ratios to produce a fermented alcoholic beverage having an ABV of approximately 3% to 7%. A method for producing kombucha-based alcoholic beverage is also disclosed.

An aspect of the present disclosure relates to a composition for improving respiratory health exposed to particulate matter, which contains a green tea extract, a green tea polysaccharide and a green tea flavonol as active ingredients. The composition provided in an aspect of the present disclosure can improve respiratory health damaged by exposure to particulate matter by enhancing the effect of preventing adsorption of particulate matter to bronchial epithelial cells and activating the cilia of bronchial epithelial cells. The composition provided in an aspect of the present disclosure may decrease blood heavy metal level.

The present invention provides a lactobacillus strain-containing pharmaceutical composition and food composition for improving of kidney disease and inhibiting inflammation, which comprises an isolated lactic acid bacteria strain. The isolated lactic acid bacteria strain is at least one selected from a group including BLI-02 strain, CGMCC No. 15212, Bifidobacterium longum subsp. infantis, TYCA06 strain, CGMCC No. 15210, Lactobacillus acidophilus, VDD088 strain, CGMCC No. 15211, Bifidobacterium bifidum, and combinations thereof.

A method for making kombucha alcohol; the method includes a preparing a symbiotic culture, fermenting a sweetened tea with the symbiotic culture to provide a fermented tea drink, and combining an alcohol beverage to the fermented tea drink. The method for making kombucha alcohol is useful for combining the properties associated with alcohol and Kombucha for human consumption.

A diketopiperazine mixture suitable for mixing with a food or drink and a method for producing the mixture. High-temperature and high-pressure treatment of plant peptides in a liquid allows production of a plant extract containing a high concentration of diketopiperazines including cyclo-leucyl-leucine and cyclo-leucyl-phenylalanine. Diketopiperazines having excellent flavor derived from a plant natural product and can produce a food or drink provided with the functions of the diketopiperazines by directly mixing the diketopiperazines with the food or drink.

At least one isolated lactic acid bacteria strains selected from the following: TSP05 (Lactobacillus plantarum), TSF331 (Lactobacillus fermentum) and TSR332 (Lactobacillus reuteri) is provided. The above-mentioned active or inactive lactic acid bacteria strains have a function of hepatoprotection and is used in a form of a food composition or a pharmaceutical composition.

The present invention relates to a method for the production of a composition comprising a fungal biomass, characterized in that said composition has a particular colour, as well as a composition and a supernatant obtainable according to the method of the present invention, and their use in the production of a food product, in particular a food product characterized by a particular colour.