1. A method of obtaining a coffee extract containing decarboxylated phenolic acid obtained from coffee chlorogenic acid, which includes:! a) extraction treatment of coffee beans with water and / or steam to obtain a coffee extract and! b) treating the coffee extract to hydrolyze the chlorogenic acid present in the extract into phenolic acid and to decarboxylate the resulting phenolic acid. ! 2. The method according to claim 1, in which the hydrolysis of chlorogenic acids and decarboxylation of phenolic acid in step b) is performed by a microorganism. ! 3. The method according to claim 2, in which the microorganism is a lactic acid bacterium. ! 4. The method according to any one of claims 1 to 3, in which the coffee beans intended for extraction processing are unroasted coffee beans. ! 5. Coffee extract containing in a gram of dry matter at least 0.1 milligrams of 4-vinyl catechol and / or its methoxy derivative. ! 6. The coffee extract according to claim 5, in which the methoxy derivative is 4-vinyl guaiacol, 4-vinylveratrol, or a mixture thereof. ! 7. Coffee extract according to any one of claim 5 or 6, which is an extract of unroasted coffee beans. ! 8. A method of obtaining a food product or drink, in which the coffee extract according to any one of claim 5 or 6 is used as an ingredient of the specified food product or drink. ! 9. The method of claim 8, wherein the food product or beverage is a coffee beverage, pure instant coffee, a soft drink, a dietary supplement, a dairy product, a cereal product, a product in the form of fruit or vegetable juice, or a confectionery product. ! 10. A food product or drink containing in grams of dry matter p1. Способ получения экстракта кофе, содержащего декарбоксилированную фенольную кислоту, получаемую из хлорогеновой кислоты кофе, который включает: ! a) экстракционную обработку кофейных зерен водой и/или паром для получения экстракта кофе и ! b) обработку экстракта кофе для гидролиза присутствующей в экстракте хлорогеновой
