目的 对中药饮片茯苓与其混伪品进行鉴别.方法 通过性状、显微、薄层色谱法等方法进行综合鉴别.结果 薄层色谱法:正品茯苓与对照药材薄层鉴别分别显2个相同颜色的荧光宽点,混伪品显4个荧光斑点,且有2个荧光斑点位置不一致.结论 中药饮片茯苓及其混伪品的鉴别,可通过性状鉴别、显微鉴别与薄层色谱法进行检识.%Objective To distinguish decoction pieces of Poria from its adulterants. Methods To make comprehensive identification by comparing characters, microscopic study, thin-layer chromatographic behavior,etc. Result In the thin-layer chromatographies, the cultivated ones exhibited two fluorescent spots with the same color and sites to the standards, while there appeared four spots for the adulterants with two of spots at different sites.Conclusion Decoction pieces of Poria could be identified from its adulterants by comparing characters, microscopic study and thin-layer chromatogram.
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