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1980年5月7～10日,由中国医学科学院、四川省科委,四川省卫生厅主持召开了抗霉菌新药石花及其制剂——石花酊、石花泡腾片和石花栓剂的技术鉴定会。会议通过了技术鉴定报告,并建议尽快投产。石花(Parmelia linctorum Despr.)是常见地衣类植物,为菌藻类结合体。分布广,资源丰富。其中含大量红粉苔酸、油状物及少量荔枝素。石花经加热水解可得到红粉苔酸降解脱羧产物3,5-二羟基甲苯,石花制荆的抗霉菌有效成分。
From May 7th to 10th, 1980, the Chinese Academy of Medical Sciences, the Sichuan Provincial Science Commission, and the Sichuan Provincial Health Department presided over the technical appraisal meeting for the new anti-mould drug Shihua and its preparations - Shihuaxi, Shihua effervescent tablets and Shihua suppository. The meeting passed a technical appraisal report and suggested that it be put into production as soon as possible. Parmelia linctorum Despr. is a common lichen species, a combination of bacteria and algae. Wide distribution and abundant resources. Which contains a large number of red powder acid, oil and a small amount of lychee. The stone flower can be hydrolyzed by heating to obtain red fungicide acid degradation and decarboxylation product 3,5-dihydroxytoluene.