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曲酒丢糟培养白地霉生产富硒饲料蛋白的研究 被引量:6

Study on Geotrichum candidium link Cultured by Daqu Distiller's Grains to Produce Se-enriched Feed Protein
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摘要 将白地霉接种在添加亚硒酸钠的培养液中进行驯化,以大曲丢糟为主要原料,以富硒白地霉为菌种,适当添加纤维素酶进行富硒饲料蛋白的发酵生产,通过正交试验得到最佳的饲料生产工艺条件为:Na2SeO3添加量为0.50mg/kg,富硒白地霉接种量为15%,纤维素酶添加量为0.03%,培养时间4d。所生产得的富硒饲料粗蛋白和有机硒含量分别达到了18.9%、0.18mg/kg。 Geotrichum candidium link was inoculated in the culture solution (Na2SeO3 was added) for domestication, then Daqu distiller's grain was used as the main raw materials and Se-enriched geotrichum candidiurn link was used as microbial species to produce Se-enriched feed protein by the addition of cellulase. The best technical conditions were summed up through orthogonal test as follows: the addition level of Na2SeO3 was 0.50 mg/kg,the inoculating quantity of Se-riched Geotrichum candidium link was 15 %, the addition level of cellulase was 0.03 % and the culture time was 4 d. The content of rough protein and organic-Se in the produced feed protein increased up to 18.9 % and 0.18 mg/kg respectively.
出处 《酿酒科技》 北大核心 2007年第8期144-145,149,共3页 Liquor-Making Science & Technology
基金 湖南省教育厅资助科研项目(编号04C606)。
关键词 综合利用 曲酒丢糟 白地霉 纤维素酶 富硒饲料蛋白 comprehensive utilization distiller's grain Geotrichum candidium link cellulase Se-riched feed protein
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