METHOD OF PREPARING TEA FROM WILLOWWEED Russian patent published in 1999 - IPC

FIELD: food industry. SUBSTANCE: method involves gathering and withering of raw material, its grinding and granulating with size of granules 1-3 mm. After fermentation of prepared half-finished product, its drying is carried out in vacuum chamber at pressure of 10-70 mm Hg and temperature of 30-45 C for 3-6 h. Thickness of layer of half-finished product is within 20-30 mm. Upon completion of drying process, vacuum chamber is in contact with atmosphere and prepared product is cooled at atmospheric pressure up to room temperature. Drying process is finished at relative humidity of prepared product 5-14%. Prepared tea possesses increased treatment-and-prophylactic properties due to preservation of microelements and vitamins in initial raw material during the process of preparation. EFFECT: increased process productivity with simultaneous improvement of product. 6 cl, 2 ex