• 关键词：禽用代鱼粉  花生蛋白废水  混合培养  液－固两步发酵技术

• 基金项目：国家“七五”重点科技攻关课题(75-71-07-09)

• 张玉臻
• 山东大学微生物技术国家重点实验室,济南 250100

• 马桂荣
• 山东大学微生物技术国家重点实验室,济南 250100

• 摘要：花生蛋白废水是花生蛋白加工过程中排放的一种高浓度有机废水.每生产1t花生蛋白约有15t废水排出，其中主要成分为淀粉，COD高达10000ppm以上，如不经处理排放到自然界，将造成严重的环境污染.

• Abstract：Using a liquid-solid two steps fermentative technology, conversion of waste water from peanut protein processing to fish meal substitute, by Aspergillus oryzae, SU₆₄ (white mutant),Trichosporon cutaneum, ST₈₅₁-10 and Endomycopsis fibuligera, SC₈₅ on mixed culture, was studied. The fish meal substitute contained digestive enzymes, vitamins and trace elements; the protein content reached 31. 6% and its amino acid was complete. Moreover, methionine increased 196. 7 % compared with the raw material. The recovered rate of product was above than 80%. The following hen-feeding experiment showed that fish meal substitute can be used as protein feedstuff and partly replaced the fish meal.

• Key words：fish meal substitute, waste water of peanut protein processing  mixed culture, fermentative technology

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