生态因子与柔毛淫羊藿药效成分含量及花、叶性状的相关性研究  

Correlation between ecological factors and effective component content,flower,and leaf traits of Epimedium pubescens

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作  者:范雪兰 徐超群 曹阳 郭宝林[2] 罗光明[1] FAN Xue-lan;XU Chao-qun;CAO Yang;GUO Bao-lin;LUO Guang-ming(School of Pharmacy,Jiangxi University of Chinese Medicine,Nanchang 330000,China;Institute of Medicinal Plant Development,Chinese Academy of Medical Sciences and Peking Union Medical College,Beijing 100193,China;Inner Mongolia Medical University,Hohhot 010110,China)

机构地区:[1]江西中医药大学药学院,江西南昌330000 [2]中国医学科学院北京协和医学院药用植物研究所,北京100193 [3]内蒙古医科大学,内蒙古呼和浩特010110

出  处:《中国中药杂志》2024年第12期3194-3203,共10页China Journal of Chinese Materia Medica

基  金:中国医学科学院医学与健康科技创新工程项目(2021-I2M-1-031)。

摘  要:不同生态因子与柔毛淫羊藿Epimedium pubescens药效成分及花、叶性状的相关性,前人并无系统报道。该研究选择了分布于不同地域的21个柔毛淫羊藿种群,测定了淫羊藿苷(I)和朝藿定C(C)2种药效含量表型,以及6种叶和12种花形态表型,探究不同地域连续5年11种生态因子与上述表型的相关关系。结果表明:各主要生态因子与柔毛淫羊藿2种成分总量(I+C)无显著相关性,纬度和温度(包括年平均气温、年平均最低温度以及各土层的土壤温度)分别与2种成分含量比值(C/I)呈极显著正相关和负相关(P<0.01);生态因子与花表型显著相关,年平均各土层温度、年平均气温和年平均最低气温在多个年份与花的大部分表型呈极显著相关(P<0.01);生态因子与叶表型相关性小,仅年平均各土层温度和年平均湿度在少数年份与营养叶宽呈极显著正相关(P<0.01)。因此,柔毛淫羊藿药效成分总量主要为遗传决定,生态因子影响较小,花表型主要与生态因子如年平均气温、年平均最低温度以及各土层的土壤温度相关,在不同的地域具有很大的不同,而叶表型没有呈现显著地域差异。该研究系统开展了生态因子与柔毛淫羊藿药效成分及花、叶性状的相关性分析,为柔毛淫羊藿的品质提升和引种驯化提供指导。No systematic research has been reported on the correlation between different ecological factors and the effective component content,flower,and leaf traits of Epimedium pubescens.In this study,21 kinds of E.pubescens in different regions were investigated,and the content of two effective components of icariin(I)and Epimedin C(C),as well as six leaf traits and 12 flower traits were determined.The correlation between 11 ecological factors and the above traits in different regions for five consecutive years was explored.The results showed that no significant correlation was observed between the ecological factors and the total content of two effective components(I+C)of E.pubescens.Latitude and temperature(including annual average temperature,annual average minimum temperature,and soil temperature of each soil layer)were significantly positively and negatively correlated with the ratio of the content of the two effective components(C/I)(P<0.01),respectively.There was a significant correlation between ecological factors and flower traits,and the annual average soil temperature of each soil layer,annual average temperature,and annual average minimum temperature were significantly correlated with most flower traits in multiple years(P<0.01).However,a weak correlation between ecological factors and leaf traits was detected.A significant positive correlation of the annual average soil temperature of each soil layer and annual average humidity(P<0.01)with the width of nutrient leaf in only a few years was detected.Therefore,it was concluded that the total content of effective components of E.pubescens was determined by genetics,with a slight influence of ecological factors.The annual average temperature,annual average minimum temperature,and soil temperature of each soil layer were the ecological factors that had the most significant impact on flower traits,which showed significant differences in different regions,and similar results were not found in leaf traits.Overall,this study systematically conducted a correlation an

关 键 词:柔毛淫羊藿 生态因子 药效成分   

分 类 号:R284.1[医药卫生—中药学]

 

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