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桃叶是蔷薇科植物桃的叶子,每年夏秋采摘,味苦,性平,归脾、肾经。桃叶含有熊果酸、橙皮素等化学成分,可外用也可内服,具有清热解毒、杀虫止痒的功效,适用于疟疾、痈疖、痔疮、湿疹、阴道滴虫等症。不同品种的桃叶浸液(1%)杀灭子孓(蚊子的幼虫,俗称跟头虫)的效果基本一致,能使孑孓在24小时内死亡95%以上;低浓度(0.25%~0.5%)浸液作用不明显;鲜叶与干叶疗效相似,对库蚊、中华按蚊、骚扰阿蚊等蚊蚴皆
Peach is the leaves of the Rosaceae peach, picked in summer and autumn, bitter, flat, spleen, kidney. Peach leaf contains ursolic acid, hesperetin and other chemical ingredients, can be external or internal use, with detoxification, insecticidal antipruritic effect, for malaria, emu, hemorrhoids, eczema, vaginal trichomoniasis embolism. Different varieties of peach leaf infusion (1%) kill offspring 蚊 (mosquito larvae, commonly known as the cephalopods) effect is basically the same, can make larvae die in 95% within 24 hours; low concentrations (0.25% to 0.5% Immersion effect is not obvious; fresh leaves and dry leaves similar efficacy of Culexis, Anopheles sinensis, mosquitoes and other mosquitoes are