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中文摘要：
用水提法提取发酵前后美洲大蠊粉中的水溶活性物质，再分别采用定磷法、苯酚一硫酸法、改良Lowry法测定总核酸、总糖、总蛋白质的含量，然后比较发酵前后的美洲大蠊粉中水溶性活性物质含量之间的差异。可知发酵前样品中总核酸含量为33．8001mg／g，总糖含量为14．1873mg／g，总蛋白质含量为100．0166mg／g，发酵后样品中总核酸含量为22．8345mg/g，总糖含量为11．0249mg／g，总蛋白质含量为197．4936mg／g。
英文摘要：
The water - soluble active substance in periplaneta Americana powder before and after fermentation was extracted with water. The total nucleic acid, total sugar, and total protein content were determined by the meth- ods of fixed phosphorus, phenol - sulfuric acid method and the improved Lowry method and the differences of the wa- ter- soluble active substance content in periplaneta Americana powder were compared between before and after fer- mentation. The results showed that the content of total nucleic acid was 33.800 1 mg, the content of total sugar was 14.187 3 rag,and the content of total protein was 100.016 6 mg per gram before fermentation and 22.834 5 mg,11. 024 9 mg,197. 493 6 mg per gram after fermentation.
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