Abstract
At present, the production and quality control of calcined drugs were lack of corresponding quantitative indicators, and only relied on traditional empirical control, thus it was susceptible to subjective factors, and the qualities of calcined drugs were affected. This paper analyzes the current status of the quality control of calcined drugs, the traditional quality requirements, modern quality controls and evaluation methods of calcined drugs were systematically summarized. Take the example for pyritum, a quality control method which reflects crispness of calcined drugs with density variety was investigated, and the feasibility of its application was discussed, therefore a new quantitative indicator for quality control of calcined drugs was supplied.
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