PRODUCTION OF TEA OF HOUTTUYNIA CORDATA THUNB. AND ITS APPARATUS

摘要

PURPOSE: To remove unpleasant smell and bitterness ingredients peculiar to the Houttuynia cordata Thunb. and obtain the subject tea capable of effectively extracting nutrient ingredients by mixing leaves of the Houttuynia cordata Thunb. with its stems in a prescribed proportion, including a prescribed amount of water, irradiating the mixture with microwaves, then drying the mixture and roasting the dried mixture. ;CONSTITUTION: Leaves and stems of Houttuynia cordata Thunb. dried in the sun to 10-14% moisture content are mixed at 2:1 ratio and the resultant mixture is finely cut in a cutter part and subsequently dipped in hot water at 50-80°C in a dipping part to make water contain in an amount of 0.5-3.5 times based on 1 raw material. The prepared mixture is then irradiated with microwaves in a microwave irradiating part and with far infrared rays in a drying part to provide about 10% moisture content. The dried mixture is further roasted in a roasting part to afford the objective tea of the Houttuynia cordata Thunb.;COPYRIGHT: (C)1993,JPO&Japio