silkworm feces 中文意思是什麼
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The technologies for producing the synthetic - carotene chemically and natural product based on c14 - aldehyde and vitamin a are introduced, including the method of extraction from natural plants, silkworm feces, salt alga and the method of microbe ferment
摘要綜述了-胡蘿卜素的生產方法，介紹了以c14醛為原料和以維生素a為原料的化學合成品生產方法和天然品的生產方法，包括從天然植物、蠶糞、鹽藻中提取和微生物發酵法。
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