PROCESS FOR MAKING SUNGNUNG AXTRACTS

摘要

A scorched rice tea extract is prepd. by (a) roasting rice at 150-380 deg.C for 10-100 min., (b) adding 30-70 % ethyl alcohol and glycerin to the roasted rice, and mixing, (c) extracting by heating the mixt. at 60-80 deg.C for 5-6 hrs. in the reflux distillator and cooling to 20-30 deg.C, (d) filtering the cooled extracted soln. and vacuum-concentrating, and (e) centrifuging the obtd. concentrated soln. at 10-30 deg.C and at 5,000-10,000 rpm for 20-30 min.