葛根，又称柴葛和药葛，是多年生落叶藤本豆科植物。葛根较肥大圆形，味苦、甘、黄褐色，含葛根淀粉12\%。主要野生低山沟谷中，当地农民挖野葛根打粉自食或市场出售。
葛根内含12%的黄酮类化合物，如葛根素、大豆黄酮苷、花生素等营养成分，还有蛋白质、氨基酸、糖、和人体必需的铁、钙、铜、硒等矿物质，是老少皆宜的名贵滋补品，有“千年人参”之美誉。
葛根味甘微辛，气清香，性凉，主入脾胃经。常食葛粉能调节人体机能，增强体质，提高机体抗病能力，抗衰延年，永葆青春活力。
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