眉县药用种子植物的中药学特性与海拔的关系

Relationship Between Chinese Medical Characteristics and Altitude of Medicinal Seed Plants in Mei County

目的通过对眉县药用种子植物资源普查,为药用种子植物的开发和利用提供借鉴与帮助。方法运用统计学方法和相关分析法中双变量分析法。结果药用植物的药味的统计:苦味的药用植物占眉县的药用植物总数的40.42%,辛味的药用植物占眉县药用植物总数的24.40%,甘味的药用植物占药用植物总数的23.55%。药用植物的药性的统计:寒性的药用植物占总数的32.18%,平性的药用植物占总数的24%,温性的药用植物占总数的25.10%。药用植物的功效的统计:清热类的药用植物所占比例最大,占总数的34%,活血化瘀类的占总数的8.62%,化痰止咳类的占总数的4.41%,解表类的占总数的5.61%,其他功效的药用植物数量较少。对于药用植物的功效与海拔的分析认为:解表类、清热类、活血类、补虚类、祛风湿类与海拔呈显著负相关关系,而收涩类、止血类和利水渗湿类与海拔呈负相关关系,理气类和温里类与海拔没有相关关系。结论眉县药用植物的药性、药味及功效都与海拔有一定的关系。

Objective： To provide reference and help for the development and use of medicinal seed plants through the survey on plant resources of medicinal seeds in Mei County. Methods： The statistical methods and bivariate analysis in correlation analyses were applied to conduct the research. Results： The statistics of herbal flavors： bitter, pungent and sweet herbs respectively accounted for 40.42 %, 24.40 % and 23.55 % of the total numbers of medicinal plants in Mei County. The statistics of herbal properties： the cold, moderate and warm herbs took up 32.18 %, 24 % and 25.10 % of the total numbers. The effects＇ statistics ： the heat-clearing drug was occupying 34 % the most totally, while blood-activating and stasisremoving, phlegmresolving and coughstopping and exteriorrelieving types were respectively 8.62 %, 4.41% and 5.61%. As to the relationship between the effects and altitude, the exterior-relieving, heatclearing, blood-activating, deficiency-tonifying, wind and dampness-removing types showed a significant negative correlation with altitude, while astringent, hemostasis and water-excreting herbs had a negative correlation with altitude. Meanwhile, there was no relation between qi-regnlating as well as middle-warming herbs and altitude. Conclusion： The herbal natures, flavors and effects of medicinal plants in Mei County have a certain relations with their altitude.