Evaluation and quantitative analysis of different growth periods of herb-arbor intercropping systems using HPLC and UV-vis methods coupled with chemometrics
文献类型： 外文期刊
作者： Chu, Bo-wen 1 ; Zhang, Ji 1 ; Li, Zhi-min 1 ; Zhao, Yan-li 1 ; Zuo, Zhi-tian 1 ; Wang, Yuan-zhong 1 ; Li, Wan-yi 1 ;
作者机构： 1.Yunnan Acad Agr Sci, Inst Med Plants, Kunming 650200, Peoples R China
2.Yunnan Tech Ctr Qual Chinese Mat Med, Kunming 650200, Peoples R China
3.Yunnan Coll Tradit Chinese Med
关键词： Intercropping;Gentiana rigescens;Quantitative analysis;Chemometrics
期刊名称：JOURNAL OF NATURAL MEDICINES （ 影响因子：2.343； 五年影响因子：2.301 ）
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年卷期：
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收录情况： SCI
摘要： As a result of the pressure from population explosion, agricultural land resources require further protecting and rationally utilizing. Intercropping technique has been widely applied for agricultural production to save cultivated area, improve crop quality, and promote agriculture economy. In this study, we employed high-performance liquid chromatography (HPLC) and ultraviolet-visible spectroscopy (UV-vis) combined with chemometrics for determination and qualitative evaluation of several kinds of intercropping system with Gentiana rigescens Franch. ex Hemsl. (GR), which is used as an hepatic protector in local communities in China. Results revealed that GR in a Camellia sinensis intercropping system contained most gentiopicroside, sweroside, and total active constituents (six chemical indicators), whose content reached 91.09 +/- 3.54, 1.03 +/- 0.06, and 104.05 +/- 6.48 mg g(-1), respectively. The two applied quantitative and qualitative methods reciprocally verified that GR with 2 years of growth period performed better in terms of quality than 1 year, collectively.
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