质量常数评价方法应用于玄参饮片等级评价研究

Grades evaluation of Scrophulariae Radix pieces based on quality constant

将顺刀片模型质量常数等级评价方法应用于玄参饮片的等级评价。将收集到的19批玄参饮片进行外观形态指标测量,并以哈巴苷、哈巴俄苷为指标成分,进行含量测定,将传统分级标准与现代质控指标有机结合,进行质量常数计算,对该玄参饮片进行等级划分。结果显示所收集的19批玄参样品的质量常数为156. 75～491. 65;若规定百分质量常数≥80%为一等饮片,50%～80%为二等饮片,剩余为三等饮片,则一等玄参饮片质量常数≥393. 32,二等玄参饮片质量常数为245. 83～393. 32,三等玄参饮片质量常数<245. 83。该研究在合理科学的基础上体现其"个性化",将适用于顺刀片饮片质量常数等级划分模型进一步应用,在质量常数等级划分方法的研究基础上,结合了饮片的自然形态及切制特点。将该模型方法应用于玄参饮片的等级划分当中,阐述其分级方式,研究结果表明质量常数等级评价方法能够客观、合理、有效地将玄参饮片进行等级划分,进一步将玄参饮片等级评价的研究数据进行丰富,为玄参饮片等级评价提供了有益的参考。同时将质量常数等级划分方法进一步应用、推广,以证明该方法的合理性、科学性、实用性。

The quality constant evaluation method was applied in the grade evaluation of Scrophulariae Radix pieces. Nineteen batches of Scrophulariae Radix were measured for the appearance index. Harpagide and harpagoside were taken as index components for the content determination. The traditional grading standard and the modern quality control index were combined to calculate the quality constant and grade Scrophulariae Radix pieces. The results showed that the quality constants ranged between 156. 75 and 491. 65;according to the percentage mass constants,more than 80% were graded as first-class pieces,50%-80% were graded as second-class pieces,and the rest were graded as third-class pieces. The quality constants of first-class Scrophulariae Radix were >393. 32,that of second-class Scrophulariae Radix was between 245. 83 and 393. 32,and that of third-class Scrophulariae Radix was < 245. 83. The study shows that this method can objectively,reasonably and effectively classify Scrophulariae Radix pieces,and further promote and apply the evaluation method of slice model quality constant to prove the rationality,scientificity and practicability.