Astringency   Astringency is a common term used frequently in TCM. Astringing functions normally refer to actions that draw together something or arrest persistent exhaustion of the fundamental substances such as qi, blood and body fluids. The action is especially carried out by the kidneys and enhanced by herbs with sour tastes.		gu se/shou lian 固澀/收斂   固澀/收斂是中醫常用名詞。意思是將某功能或物質收回來，以緩解氣、血、精、津液耗散之証。