主 办:北 京 中 医 药 大 学
ISSN 1006-2157 CN 11-3574/R

JOURNAL OF BEIJIGN UNIVERSITY OF TRADITIONAL CHINE ›› 2014, Vol. 37 ›› Issue (5): 344-348.doi: 10.3969/j.issn.1006-2157.2014.05.013

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Dynamic accumulation laws of total flavonoids and total polysaccharides in different organs of wild and cultivated Gancao (Radix Glycyrrhizae)

HAN Ya-nan1, ZHANG Xue-jing1, HOU Jun-ling1, WANG Wen-quan2,3, MA Sheng-jun1, XIE Jing1   

  1. 1 School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102;
    2 Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College;
    3 Engineering Research Center of Good Agricultural Practice for Chinese Crude Drugs, Ministry of Education
  • Received:2013-10-24 Online:2014-05-30 Published:2014-05-30

Abstract: Objective To reveal the accumulation laws of total flavonoids and total polysaccharides in different organs of Gancao (Radix Glycyrrhizae) at different growth periods. Methods The content of total flavonoids and total polysaccharides in different organs of wild and cultivated Gancao was determined by using ultraviolet-visible spectrophotometry from May to Sept. for finding the accumulation laws. The difference between wild Gancao and cultivated Gancao was analyzed and the accumulation laws were verified with Gancao from different producing areas. Results The accumulation laws of total flavonoids and total polysaccharides were similar in root and leaf of wild Gancao and cultivated Gancao. The content of total flavonoids showed a trend of V type in Gancao root during growth period, and reached the lowest point in full-bloom stage (2.43% in root of wild Gancao and 1.85% in root of cultivated Gancao), and showed a trend of inverted V type in Gancao leaf, and reached the highest point in full-bloom stage (5.64% in leaf of wild Gancao and 6.02% in leaf of cultivated Gancao). In different Gancao organs, the content of total flavonoids was the highest in leaf of wild Gancao and cultivated Gancao in full-bloom stage, but there was difference in Gancao from different producing areas. The change trend of total polysaccharides was complicated in different organs of wild Gancao and cultivated Gancao, which showed a inverted V type (increasing at first and decreasing then). In root of cultivated Gancao, the content of total polysaccharides kept a ever-increase status during the whole growth period, and reached the highest point (18.20%) in fruit-ripening stage. Conclusion Cancao leaf during full-bloom stage can be chosen for studying and utilizing total flavonoids. The content of total polysaccharides is higher in Gancao root in fruit-ripening stage, which is important for the exploitation.

Key words: Gancao (Radix Glycyrrhizae), different organs, total flavonoids, total polysaccharides, dynamic accumulation

CLC Number: 

  • R284.2

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