Black leaf tea

A - Human Necessities – 23 – F

Patent

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Details

A23F 3/14 (2006.01)

Patent

CA 2263865

A leaf tea comprising a blend of a first substantially fermented tea with a second substantially unfermented tea, characterised in that the blend contains catechins and phenols in a ratio of between 0.15 to 0.4, but preferably between 0.2 to 0.3. Such a product resembles black tea but typically possesses an antioxidant activity that is 10 % or more higher than that of the same mass of the black tea alone. The black tea is preferably low grown while the green tea is preferably from an Assam jat.

Cette invention porte sur un thé en feuilles comprenant un mélange d'une première quantité de thé sensiblement fermenté et d'une deuxième quantité de thé sensiblement non fermenté. Le mélange se caractérise par le fait qu'il contient des catéchines et des phénols selon un rapport de 0,15 à 0,4 ou, de préférence, de 0,2 à 0,3. Le produit ainsi obtenu ressemble au thé noir, mais a généralement une action antioxydante supérieure de 10 % ou plus à celle d'une même quantité de thé noir non mélangé. Le thé noir est, de préférence, cultivé en basse altitude et le thé vert est, de préférence, de type jat d'Assam.

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