王惠珍1,晋 玲1,张恩和2.海拔对当归中阿魏酸量的影响及关键因子分析[J].中草药,2013,44():
海拔对当归中阿魏酸量的影响及关键因子分析
Effect of altitude on ferulic acid in Angelica sinensis and analysis on key factors
  
DOI:
中文关键词:  当归  海拔  阿魏酸  降雨量  温度  可溶性糖  超氧化物歧化酶  湿度
英文关键词:Angelica sinensis (Oliv.) Diels  altitude  ferulic acid  rainfall  temperature  soluble sugar  superoxide dismutase  humidity
基金项目:国家自然科学基金资助项目(310106182,31070352)
作者单位
王惠珍1,晋 玲1,张恩和2 1. 甘肃中医学院 药学系甘肃 兰州 730000 2. 甘肃农业大学农学院甘肃 兰州 730070 
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中文摘要:
      摘 要:目的 在不同海拔进行当归Angelica sinensis生态适应性实验,探索影响当归阿魏酸积累的关键因子。方法 通过田间实验测定当归阿魏酸量的变化和生理生化指标、光合参数、生态因子。结果 当归根中阿魏酸量随海拔升高而增加,且海拔2 780 m处理比海拔2 360 m处理高14.5%,差异显著(P<0.05)。分析影响当归阿魏酸积累的关键因子表明,降雨量(r=0.898 8)和温度(r=?0.799 1)是关键生态因子,可溶性糖(r=?0.974 9)和超氧化物歧化酶(SOD)(r=?0.840 8)是关键生理生化因子,湿度(r=0.969 9)和光合活性辐射(r=0.946 7)是关键光合参数因子。结论 适当升高种植海拔,增加降雨量和湿度,降低温度和可溶性糖量均有利于当归中阿魏酸的转化积累。
英文摘要:
      Abstract: Objective The ecological adaptability of Angelica sinensis was studied at three different altitudes (2 360, 2 570, and 2 780 m) to explore the key factors on the accumulation of ferulic acid (FA) in A. sinensis. Methods Using the field test, the changes of physiological and biochemical indexes, photosynthesis parameters, ecological factors, and FA content were determineed. Results FA content in the roots of A. sinensis was increased with the altitudes rising, the FA content in A. sinensis from 2 780 m was higher than that from 2 360 m by 14.5% (P < 0.05). The key factors that affected the accumulation of FA were analyzed; Rainfall (r= 0.898 8) and temperature (r = ?0.799 1) were the key ecological factors; Soluble sugar (r= ?0.974 9) and superoxide dismutase (SOD) (r= ?0.840 8) were the key physiological and biochemical factors; Relative humidity (RH) (r = 0.969 9) and photosynthetically active radiation (PAR) (r = 0.946 7) were the key photosynthesis factors. Conclusion Properly rising the altitude of planting, increasing the rainfall and humidity, and decreasing the temperature and soluble sugar are benefitial to the transformation and accumulation of FA in A. sinensis.
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