Application of the Vanillin Sulfuric Acid Colorimetry-Ultraviolet Spectrometry on Quality Evaluation of Panax notoginseng
文献类型： 外文期刊
作者： Ding Yong-li 1 ; Wang Yuan-zhong 1 ; Zhang Ji 1 ; Zhang Qing-zhi 2 ; Zhang Jin-yu 1 ; Jin Hang 1 ;
作者机构： 1.Yunnan Acad Agr Sci, Inst Med Plants, Kunming 650223, Peoples R China
2.Yunnan Univ Tradit Chinese Med, Coll Tradit Chinese Med, Kunming 650500, Peoples R China
关键词： Panax notoginseng;vanillin sulfuric acid colorimetry;common peak;variation peak;vultraviolet sepectrometry
期刊名称：SPECTROSCOPY AND SPECTRAL ANALYSIS （ 影响因子：0.589； 五年影响因子：0.504 ）
ISSN： 1000-0593
年卷期： 2013 年 33 卷 2 期
页码：
收录情况： SCI
摘要： In this study, Panax notoginseng samples were extracted by chloroform, ethanol and water, or by those extracted solution with 5% vanillin sulfuric acid to establish two kinds of UV fingerprint of P. notoginseng which were compared by applying the common and variation peak ratio dual index sequence analysis method and SIMCA software qualitative analysis. The results indicated that the optimization extraction time of P. notoginseng samples was 20 mm with chloroform, ethanol and water extraction, but the fingerprint differed significantly after add vanillin sulfuric acid. The common peak ratios of UV fingerprint of P. notoginseng were scattered. The minimum was 25% (Y5-Y8), while the maximum was 84. 38% (Y11-Y13, Y20-Y21). The maximum variation peak ratio was 177. 78%(Y8-Y5), meanwhile, the variation peak ratios of several samples were more than 100%. However, the common peak ratios of UV fingerprint of P. notoginseng with vanillin sulfuric acid were concentrated (distributed in the range of 50%similar to 70%) : the minimum was 42. 86%(Y1-Y19), whereas the maximum was 79. 55% (Y22-Y23); the range of the variation peak ratios was also smaller with the ranges of 20%similar to 50% in general. The result of the dual index sequence analysis was agreement with the fingerprint implied. The similarity of the UV fingerprint of the extracts of P. notoginseng after adding vanillin sulfuric acid was greater than before. Both the ages and origin was related with the difference of UV fingerprint. The similarity of the two samples with same age was more significant than those with different ages. The similarity and difference between samples was no correlation with the distance of geographic space, the near origin samples maybe have a significant similarity or difference. This method appears as good alternative for evaluate quality of the P. notoginseng and can distinguish at least two samples quantitatively, duo to it reaches the limitation of the multiple methods which only could be used to indistinctly distinguish herbs.
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