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通过市场调查和文献研究,了解厚朴药材商品状况;同时采集样品进行分析,结合生产实际,制定新的厚朴商品规格等级标准。现行的规格等级标准中,将厚朴药材按来源划分为温朴与川朴2个品别,再按取皮部位划分为4种规格,每一种规格又按长度和质量划分若干等级;判断厚朴药材质量优劣的依据主要是性状特征(外观质量)。在新制定的厚朴商品标准中,等级的划分则是以厚度、厚朴酚与和厚朴酚含量为依据,即综合外观性状与药效成分(内在品质),科学评价药材质量。由于温朴与川朴的商品性状特征基本一致,外观难以区分,不再划分品别;又因蔸朴与耳朴部位重叠,规格简化为筒朴(含枝朴)、根朴、蔸朴等3种;其中,筒朴分为3个等级,根朴、蔸朴不分等(统货)。
Through market research and literature research to understand the status of Magnolia officinalis products; collect samples for analysis, combined with the actual production, develop a new Magnolia product specifications grade standards. According to the current standards and standards, Magnolia officinalis is divided into two categories, Wenpu and Chuanpu, according to their sources, and then divided into 4 sizes according to the skin area. Each size is divided into several grades according to length and quality. Magnolia officinalis quality is based on the merits of traits (appearance quality). In the newly developed Magnolia officinalis product standard, the classification is based on the thickness of honokiol and honokiol content, that is, the overall appearance of the traits and pharmacodynamic components (intrinsic quality), scientific evaluation of medicinal quality. Because of Wen Park and Chuan Pu traits of goods are basically the same, the appearance of indistinguishable, no longer distinguish between products; and because of prickly and prickly ash parts overlap, the specification simplified into the tube Park (including Park), root Park, pristine 3 kinds; Among them, the tube is divided into three levels, root of the Park, pristine unequal (inventory).