栽培远志中次级代谢物含量变化的影响因素分析

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica(2017)

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Abstract
产地与生长年限均为栽培中药中次级代谢物含量变化的主要影响因素.该研究通过建立超高效液相色谱-四级杆-飞行时间质谱及采用多元统计的方法,分析生长年限与产地对栽培远志中次级代谢物含量变化的影响.结果显示:①产地因素对栽培远志中次级代谢物含量变化的影响大于生长年限;②蔗糖酯类和低聚糖酯类受产地因素影响较大,tenuifoliside B与tenuifoliside C在安国远志中含量较高,3,6′-disinapoyl sucrose, tenuifoliose S, tenuifoliose L及tenuifoliose V则在汾阳远志中含量较高;③产地与生长年限均不是口山酮类成分含量变化的主导因素;④皂苷类成分受生长年限的因素影响较大,多数皂苷类次级代谢物含量随着生长年限延长有升高趋势.栽培远志中不同次级代谢物受产地与生长年限影响的程度不完全相同,本研究有助于栽培远志的良种选育及远志药材商品规格等级标准的修订.
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Key words
UPLC-Q-TOF MS,cultivated Polygala tenuifolia,growth year,habitats,metabolomics
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