PREPARATION OF GRAIN OF RICE FOR SCORCHED-RICE WATER BY SOAKING GRAIN OF RICE IN WATER, FOLLOWED BY COMPRESSION AND ROASTING

摘要

PURPOSE: A method of preparing a grain of rice for scorched-rice water by soaking a grain of rice in water until it germinates and its sprouts grow to a predetermined size, compressing and roasting is provided. The product has low carbonization rate and provides the original taste and flavor of scorched rice to scorched-rice water. The product can be ground to a size of 4mm or less to give a paper-bagged tea product. CONSTITUTION: A grain of rice is soaked in water for 2 to 5 days while washing with water 1 to 3 times every 2 days to a moisture content of 30 to 60% by weight until it germinates and its sprouts grow to below 3mm and compressed to about 1/2 to 1/4 of the thickness of rice grain with a roller to generate fine cracking on the front and rear surface. The hydrated rice grain is heated with a pressure motor at 100 to 150deg.C for 10 to 20min, followed by reheating for 2 to 5min while exhausting high pressure gas in the pressure motor to the outside. In the soaking process, the rice grain is hydrated with 5 to 50% by volume of water on the basis of the total volume of the rice grain.