METHOD FOR MANUFACTURING HERBAL TEA Russian patent published in 2005 - IPC

FIELD: food industry.

SUBSTANCE: the present innovation deals with technology for manufacturing herbal teas. The mixture of hibiscus flowers, rosewort roots and dogrose fruits should be treated with the flow of nonpolar gas at supercritical parameters of temperature and pressure, circulating along closed contour at the rate being above fall or sinking velocity of mixture particles, for 25-30 min, then one should successively decrease temperature below critical one and reduce pressure up to atmospheric one. The obtained herbal tea is better for making being of more homogeneous composition, as well.

EFFECT: improved quality of tea beverage.

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