Medicinal Plant

2012, v.3(01) 23-24+28

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Comparison between the Cultivated and Wild RADIX SCUTELLARIAE in Ningxia,China
Comparison between the Cultivated and Wild RADIX SCUTELLARIAE in Ningxia,China

摘要(Abstract):

[Objective]To study the pharmacognostic characteristics,microscopic characteristics,and the main content of flavonoids in cultivated and wild RADIX SCUTELLARIAE in Ningxia,China. [Method]From the aspect of morphology,the shape,size,color,texture,cross-section characteristics,and odor of herbs were compared,so as to find out the differences in pharmacognostic characteristics between cultivated and wild RADIX SCUTELLARIAE. Besides,from the cytological point of view,the histological structure,cell characteristics,cell ergastic substance and other microscopic characteristics of cultivated RADIX SCUTELLARIAE were studied and compared with the wild RADIX SCUTELLARIAE. RPHPLC method was used to detect the baicalin contents in cultivated and wild RADIX SCUTELLARIAE. [Result]The morphology and microscopic characteristics of cultivated RADIX SCUTELLARIAE in Ningxia had slight differences with those of wild RADIX SCUTELLARIAE,but basically accorded with the description in 2010 Chinese Pharmacopoeia. Baicalin contents in cultivated RADIX SCUTELLARIAE in three different cultivation bases were 16.90%,15.26% and 15.47%,which were all higher than the content of wild RADIX SCUTELLARIAE ( 9.84%) and exceeded the lowest limit in 2010 Chinese Pharmacopoeia ( 9.0%) . [Conclusion]The cultivated RADIX SCUTELLARIAE in Liupanshan of Ningxia met the quality requirements in 2010 Chinese Pharmacopoeia. Therefore,the standardized cultivation could be widely popularized,in order to realize the industrialized development and to relief the market demand for baicalin.

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基金项目(Foundation): Supported by the Natural Science Foundation of Ningxia (NZ10225)

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