quassin/ニガキ

Plant cell and suspension cultures have been established from stem cuttings of Picrasma quassioides Bennett. The effect of 244 different types/concentrations of plant growth regulators on growth and quassin accumulation in callus tissue was investigated. Best growth, in terms of wet/dry weight after

Jamaica quassia extract, a natural bittering agent, is described as "a substance extracted from bark of Jamaica quassia (Quassia excelsa Sw.)" in the List of Existing Food Additives in Japan. The constituents in Jamaica quassia extract product were investigated as a part of an ongoing study to

Jamaica quassia extract is a natural bittering agent used as a food additive in Japan. The main constituents of the extract have already been reported to be quassin and neoquassin. In this study, the differences in composition of the constituents among four Jamaican quassia extract products were