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古代,柳树的茎叶在 我国常用来治疗感冒、出 血和风湿热。古代印第安 人把柳树称为“神奇之 树”,每当头痛发热,就用捣烂的柳树皮敷在前额上,解除病痛之苦,这种习惯延续至今。柳树为何有“妙手回春”的神效?人们在很长一段时间内困惑不解。1975年,美国哈佛大学植物生理学家克莱兰在一次偶然的实验中发现.柳树皮的汁液中含有水杨酸,它是解
In ancient times, the stems and leaves of willow were used in our country to treat colds, blood and rheumatic fever. Ancient Indians called the willow tree a “miraculous tree.” Whenever a headache occurs, the willow bark is applied to the forehead to relieve pain. This practice continues today. Why does the willow tree have the magical effect of “rejuvenation?” People have been puzzled for a long time. In 1975, Harvard University plant physiologist Cleland discovered in an accidental experiment that salicylic acid contained in the juice of willow bark.