TEA PRODUCTION Russian patent published in 2008 - IPC A23F3/08 

FIELD: technology of food products making.

SUBSTANCE: method of water-soluble black leaf tea includes stages (a) of possible withering of collected tea leaves, (b) leaves maceration, (c) their fermentation, (d) leaves thermal treatment for discontinuance of fermentation and (e) further drying with preparation of black leaf tea. Method suggests that tea leaves are treated prior to fermentation or intermediate fermentation with substance that reduces pH, with further treatment in the process of fermentation with ascorbic acid, salts of ascorbic acid or their mixtures at the stage of intermediate fermentation or later, which are taken in amount that is sufficient for preparation of black leaf tea, which is infused in water at temperature of 5-100°C.

EFFECT: higher rate of infusion; better colour indicators; soluble in hot and cold water.

17 cl, 4 tbl, 4 ex