Determination of astragaloside Ⅳ in different medicinal parts of Astragalus membranaceus (Fisch.) Bge.var.mongholicus (Bge.) Hsiao / 中国生化药物杂志

ABSTRACT

Objective To determine and compare the contents of astragaloside Ⅳ in different medicinal parts of Astragalus membranaceus var. mongholicus.Methods The contents of astragaloside Ⅳ in fibrous roots, root heads, taproots and whole roots of A.membranaceus var.mongholicus were determined by HPLC.Results The order of contents of astragaloside Ⅳ in A.membranaceus var.mongholicus was fibrous roots >whole roots >taproots >root heads;The content of astragaloside Ⅳ in A.membranaceus var.mongholicus from Inner Mongolia was 1.85 to 2.7 times of the standard which prescribed in 2010 edition of Chinese Pharmacopoeia.Conclusion Fibrous roots, which were discarded in traditional processing methods, can be used as raw material to extract astragaloside Ⅳ.This study may provide a reference for the harvest and produce of A.membranaceus var.mongholicus.