OBJECTIVE To improve th e quality standard for Gerbera piloselloides. METHODS The properties of G. piloselloides were observed and microscopic identification was conducted for powder. The moisture ,total ash ,acid-insoluble ash and ethanol-soluble extract were detected according to the method stated in 2020 edition of Chinese Pharmacopoeia (part Ⅳ). The contents of nodakenin,luteolin-7-O-β-D-lutinoside,luteoloside,apigenin-7-O-β-D-lutinoside,apigenin-7-O-β-D-glucopyranoside and marmesin were determined by high performance liquid chromatography method. RESULTS G. piloselloides were shrunken ,densely covered with thick white cotton wool ,with many fibrous roots ;the surface was taupe or gray-brown ;its texture was brittle and easy to break ;the cross section was yellow-white ,and there was an obvious small wooden heart in the center. Its powder was tan , and non-glandular hairs ,stone cells ,calcium oxalate cubes ,ducts,fibers could be seen unde r microscope. The measured values of moisture,total ash ,acid-insoluble ash and alcohol-soluble extract , for 15 batches of samples were 8.63%-11.34%,10.39%-14.93%, 3.29%-6.37% and 9.03%-15.02%,respectively;average values were 10.01%,12.26%,4.61%,12.36%. The linear ranges of nodakenin,luteolin-7-O-β-D-rutinoside,luteoloside,apigenin- 7-O-β-D-lutinoside,apigenin-7-O-β-D-glucopyranoside and marmesin we re 3.87-154.88,1.64-65.41,1.60-64.00,1.92-76.96, 1.27-50.93,0.40-15.89 μg/mL,respectively(r≥0.999 1). RSDs of precision ,stability(24 h)and repeatability tests were all less than 3%. The average recoveries were 101.88%,100.89%,102.64%,95.75%,96.71% and 103.48%,respectively;RSDs were 0.55%,0.43%,0.34%,0.49%,0.47% and 0.37%,respectively(n=6);the contents of above 6 components were 0.152 7-0.852 2, 0.084 5-0.669 7,0.136 7-0.961 0,0.126 0-1.193 2,0.128 8-1.102 2,0.046 9-0.678 0 mg/g. CONCLUSIONS The established method can be used for the quality control of G. piloselloides . It is preliminarily proposed that the moisture in G. piloselloides is not more than 12.0%;the total ash is not more than 15.0%,the acid-insoluble ash is not more than 6.0%,the alcohol-soluble extract is not less than 9.0%;the contents of luteoloside and apigenin- 7-O-β-D-glucopyranoside are not less than 0.016%.
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