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板蓝根能穿在身上?它能扎染出千年前的“流行色”
扎染古称“绞缬(xié)”,是中国古老的纺织品染色技艺,充满智慧的古人很早就开始使用植物染色。在自然界,有很多植物可以用作蓝色的染料,其中最有名的就是板蓝根,板蓝根的叶子经过发酵、氧化后,便形成了一种叫靛花的漂浮物,比蓝色的染液更鲜亮,正所谓“青出于 ...
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