目的 通过对藤茶药材的外观质量性状和内在品质指标进行分析，探索藤茶药材性状与成分指标间的关联性，构建藤茶药材的等级评价标准，为藤茶药材的品质评价和质量控制提供参考。方法 将藤茶药材外观性状指标与内在指标成分进行熵权TOPSIS法分析和灰色关联度分析，对全国8个省份19个主产区收集到的61批藤茶和藤茶的10项评测指标进行排序，依据结果合理划分藤茶药材等级并构建等级评价标准。结果 藤茶质量与二氢杨梅素、酸不溶性灰分、叶占比、杨梅苷、总灰分、浸出物、花旗松素、破碎率、杨梅素、水分指标密切度依次降低。以产地、外观性状、灰分、浸出物及二氢杨梅素、杨梅苷含量为依据将藤茶分为优级、一级、二级和统货4个等级。结论 建立的等级评价标准综合运用了外观、内在等多项指标，具有实用性、科学性、全面性等特点，可用于藤茶药材的等级评价。

Objective By analyzing the appearance quality traits and internal quality indicators of vine tea, to explore the association between traits and composition index, build grade evaluation, and to provide references for the quality evaluation and quality control of vine tea. Method Combining the analysis of Entropy-weighted TOPSIS method and gray correlation analysis were performed on the appearance traits and internal indexes components of vine tea to rank 61 batches of vine tea and 10 evaluation indexes of vine tea collected from 19 main production areas in eight provinces in China, and based on the results, the grades of vine tea herbs were reasonably classified and grade evaluation criteria were constructed. Results The effects of dihydromyricetin, acid-insoluble ash, leaf percentage, myricetin, total ash, extract, Douglas fir, breakage rate, myricetin, and moisture index on the quality of vine tea decreased in turn. Vine tea was classified into four grades of superior, first grade, second grade and general merchandise based on the place of origin, appearance, ash content, extract and content of dihydromyricetin and myricetin. Conclusion The established grade evaluation standard integrates a number of indicators, such as appearance and internal, and is practical, scientific, comprehensive features, which can be used to evaluate the level of vine tea.

R286

国家食药监总局注册司专项“特色民族药材检验方法示范性研究”二期