地衣（usnea barbata）提取酸性酸粉
什么是？
乌索酸是一种天然存在的二苯并呋喃衍生物，在几种地衣物种中发现，分子式为C18H16O7。它首先由德国科学家W. Knop在1844年[2]被隔离，并首先由Curd和Robertson在1933 - 1937年间合成[3]在许多属地衣中鉴定出酸性酸，包括Usnea，Cladonia，Hypotrachyna，Lecanora，Ramalina，Evernia，Parmelia和Alectoria。虽然普遍认为，nic酸仅限于地衣，但在少数尚未证实的孤立病例中，该化合物被发现在kombucha茶和非地衣类子囊菌中[4] [5]
在正常条件下，酸性酸是一种苦，黄，固体。[1]已知天然存在于d和l-形式以及外消旋混合物中。洋葱酸的盐被称为usnates（例如铜铜）。
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提取物的主要功能：
1.减轻体重，
2.抗氧化，抗菌，抗原生动物，抗炎和抗癌作用
缓释和发烧减少属性
4.抗生素的作用
5.咳嗽
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