方法：应用药材性状鉴别、显微鉴别及理化鉴别法鉴定。
Method: Characteristic identification, microscopic identification and the physics and chemistry distinguishing were used.
正品黄芪，性状鉴别要掌握性味，其气微，味微甜，嚼之有豆腥味。
Astragalus genuine, traits of identification to get flavor, and its gas micro, taste sweetened, chewing it beany flavor.
方法：药材及饮片性状鉴别及商品调查。
Methods: Morphological identification and merchandise investigation of their crude drug and yinpian were performed.
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