Coffee beans having an increased flavor component, a method for increasing a flavor component in coffee beans, and a method for evaluating coffee beans are provided. A fatty acid methyl ester content of coffee beans is increased.

The present disclosure relates to a process for the production of a liquid coffee concentrate that has an improved storage stability at ambient temperature. The process comprises separating coffee extract resulting in a high aromatic coffee extract and a low aromatic coffee extract and subjecting the low aromatic coffee extract to a heat treatment and, optionally, a pH rising step.

The present disclosure relates to a process for the production of a liquid coffee concentrate that has an improved storage stability at ambient temperature. The process comprises separating coffee extract resulting in a high aromatic coffee extract and a low aromatic coffee extract and subjecting the low aromatic coffee extract to a heat treatment and, optionally, a pH rising step.

A compound represented by the following formula (1): ##STR00001## wherein, R.sub.1 is a linear or branched alkyl group having 1 to 3 carbon atoms or a hydroxyl group; and R.sub.2 is a 1-pyrrolyl group, a 2-pyrrolyl group, or a 3-pyrrolyl group. The present invention can provide a means highly effective in contributing to savory roasting flavor and capable of imparting fragrance with natural feeling.

A method of refreshing roasted coffee, comprising the steps: providing a previously roasted coffee; mixing said previously roasted coffee with water, such that a mixture is created; and heating said mixture in a covered heat safe container via a heating device, such that a refreshed previously roasted coffee is created; and brewing said refreshed previously roasted coffee. The mixture may further comprise one or more flavors and the previously roasted coffee may be instant coffee, ground coffee, and/or whole bean coffee.

A method of refreshing roasted coffee, comprising the steps: providing a previously roasted coffee; mixing said previously roasted coffee with water, such that a mixture is created; and heating said mixture in a covered heat safe container via a heating device, such that a refreshed previously roasted coffee is created; and brewing said refreshed previously roasted coffee. The mixture may further comprise one or more flavors and the previously roasted coffee may be instant coffee, ground coffee, and/or whole bean coffee.

The present invention relates to a method of producing a coffee powder, the method comprising: a) providing an aqueous coffee extract comprising from 30 to 55 wt % soluble coffee solids and from 1 to 10 wt % oil, wherein the aqueous coffee extract consists of water and coffee-derived components; b) subjecting the aqueous coffee extract to a two stage homogenisation process, wherein the first stage is conducted at 200 to 1000 Bar and the second stage is conducted at 10 to 100 Bar, to provide a homogenised coffee extract; c) spray-drying the homogenised coffee extract.

The present invention relates to a method of producing a coffee powder, the method comprising: a) providing an aqueous coffee extract comprising from 30 to 55 wt % soluble coffee solids and from 1 to 10 wt % oil, wherein the aqueous coffee extract consists of water and coffee-derived components; b) subjecting the aqueous coffee extract to a two stage homogenisation process, wherein the first stage is conducted at 200 to 1000 Bar and the second stage is conducted at 10 to 100 Bar, to provide a homogenised coffee extract; c) spray-drying the homogenised coffee extract.

The present invention has as its object to provide a method for producing green coffee beans that can be used to make coffee beverages with a fruity aroma.

Dining the process of producing green coffee beans, the following steps are performed: heating green coffee beans, and contacting the heated green coffee beans with an alcohol.

The present invention addresses the problem of creating an effective means for preventing the coagulation of a plant milk under high temperature conditions. To solve this problem, a plant milk is treated with a protein deamidase to thereby prevent the coagulation of the plant milk in the case of adding to a hot liquid beverage, a hot liquid food, etc.