Journal of Guangxi Normal University(Natural Science Edition) ›› 2010, Vol. 28 ›› Issue (2): 57-60.

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Extraction Condition and Quantitative Analysis of Flavonoid in Different Sections of Premna fulva Craib

SHI Yan-cai1, WEI Ji-qing2, JIANG Yun-sheng2, TANG Hui2, HUANG Rong-shao1, LI Feng2   

  1. 1. College of Agriculture,Guangxi University,Nanning Guangxi 530006,China;
    2. Guangxi Institute of Botany,Chinese Academy of Sciences,Guilin Guangxi 541006,China
  • Received:2009-10-05 Online:2010-06-20 Published:2023-02-07

Abstract: By studying the extraction technology and the contentbyorthoronal design,the optimum extracting conditions forunivariate of the flavonoid in Premna fulva craib were determined:ultrasonic power 120 W,ultrasonic frequency 35 kHz,the proportion of solid and liquid 1/16,extracting time 90 min,extraction reagent 40％ alcoho1.A conclusion can be drawn thatthere were more contents of flavonoids in the leaves than in stems and roots and epidermis contained more flavonoid.The stability and reappear probability of the method werehigh,so were the precision and the recovery rate.

Key words: Premna fulva craib, flavonoids, extraction, content

CLC Number: 

  • R284.2
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