CN: 32-1845/R
ISSN: 2095-6975
Cite this paper:
LIU Rong-Xiu, SONG Guo-Hu, WU Pei-Gen, ZHANG Xue-Wen, HU Hui-Juan, LIU Jia, MIAO Xiao-Su, HOU Zhi-Yan, WANG Wen-Quan, WEI Sheng-Li. Distribution patterns of the contents of five biologically activate ingredients in the root of Scutellaria baicalensis[J]. Chinese Journal of Natural Medicines, 2017, 15(2): 152-160

Distribution patterns of the contents of five biologically activate ingredients in the root of Scutellaria baicalensis

LIU Rong-Xiu1, SONG Guo-Hu2, WU Pei-Gen1, ZHANG Xue-Wen2, HU Hui-Juan1, LIU Jia1, MIAO Xiao-Su1, HOU Zhi-Yan1, WANG Wen-Quan3, WEI Sheng-Li1
1 School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China;
2 Chengde Pharmaceutical Co., Ltd Affiliated to China National Group Corp. of Traditional & Herbal Medicine, Chengde 067000, China;
3 National Engineering Laboratory for Breeding of Endangered Medicinal Materials, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100094, China
As an important herbaceous plant, Scutellaria baicalensis Georgi (Chinese skullcap) is geographically widespread and commonly used throughout the world. In the Chinese medicine market, S. baicalensis has been divided into two primary types, "Ku Qin" (WXR) and "Tiao Qin" (TST). Moreover, TST is also divided into different grades according to the diameter of roots. To explore the distribution patterns of the contents of five biologically activate ingredients (FBAI), we used six-year-old cultivated S. baicalensis and analyzed its growth characteristics as well as the quality difference among different types and diameters in roots. Throughout the entire root, we discovered that contents of the FBAI all initially increased and subsequently decreased from the top to the bottom of the roots. The baicalin content of WXR was less than that of TST. On the contrary, the contents of baicalein, wogonin, and oroxylin A in WXR were up to about two times higher than that in TST. We also found that the 0 to 40 cm part of the S. baicalensis root possessed about 87% of the root biomass and about 92% of the contents of the active ingredients.
Key words:    Scutellaria baicalensis    Distribution patterns    Type    Diameter    Biologically active ingredients   
Received: 2016-03-11   Revised:
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