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Article in Chinese | WPRIM | ID: wpr-878962

ABSTRACT

This study is to provide the basis of establishing a quality evaluation system, based on the differences in appearance and internal components of Astragali Radix from different sources. The diameter of 18 batches of Astragali Radix, the content of alcohol(water) extract and 7 kinds of flavonoids were determined. The peak area ratio of flavonoid aglycon to aglycone was calculated. PCA and CA were carried out by synthesizing various indexes. The results of PCA and CA showed that Astragali Radix was obviously clustered into three types. Alcohol extract, formononetin/formosan glycosides,(pilose isoflavones+astragalus flavonoid A)/pilose isoflavone glucoside are the most significant differences in the variable importance projection index(VIP) of Astragali Radix. Combining the diameter, alcohol(water) extract, flavonoid aglycon to aglycone peak area ratio can provide an analysis method for the establishment of the grade evaluation system of Astragali Radix.


Subject(s)
Astragalus Plant , Drugs, Chinese Herbal , Glucosides , Glycosides , Plant Roots
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