Studies on the Different Aroma Making Methods of Green Tea Aroma
The essential oils from green tea prepared by simultaneousdistillation extraction，headspace absorption，vacuum distillation extraction were investigated by GC-MS. The recovery rate and the organoleptic evaluation of the aroma got by three methods were studied. It showed that there were great differences among them. SDE method showed the highest results in content，kinds of aroma and the rate of aroma recovery，but it showed great effects on the tea samples，especially on the aroma. HAS method showed some improvement，but the effect was still significant. VDE method showed a little effect on tea samples，compared with other two methods，and could better reflect the characteristic of green tea aroma.
国家科技期刊平台
NSTL
万方数据
维普
