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从柿树Diospyros Kaki叶制备的生药“Kaki-Yo”在日本是一种传统的降压药。1956年Yamashita调查了“Kaki-Yo的临床效果,发现它具有止血、利尿、轻泻和降压作用,并无明显的副反应;同时发现,其部分活性是由叶中所含的大量维生素C所产生,而已知维生素C有降压作用。另外,从“Kaki-Yo”中还分得鞣质、胡萝卜素、隐黄素(Cryptoxanthin)、路丁、栎精和
The crude drug “Kaki-Yo” prepared from the leaves of persimmon Diospyros Kaki is a traditional antihypertensive drug in Japan. Yamashita investigated the clinical effect of “Kaki-Yo” in 1956 and found that it had hemostatic, diuretic, laxative and antihypertensive effects with no obvious side effects. At the same time, part of the activity was found to be caused by the large amount of vitamin C , And there is a known antihypertensive effect of vitamin C. In addition, “Kaki-Yo” is also divided into tannin, carotene, cryptoxanthin, luding, quercetin and