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Daqu distiller’s grains were co-fermented as raw materials by Trichoderma.koningii and Trichosporon cutaneum to produce microbial oils, which can provide raw materials for bio-diesel development. The single factor tests were used
to investigate the effects of ratio of strains, inoculum size, culture temperature and culture time on the production of microbial
oils. The best processing conditions were obtained by orthogonal test through measuring the content of microbial oils in product.
The result shows that the microbial oils content of the co-fermented product under the ratio of Trichoderma.koningii to Trichosporon cutaneum of 1:1, the inoculum size of strains of 11% at 28 °C for 6 d is 7.15 g/L. It is shown that the production of microbial oils
co-fermented by Trichoderma.koningii and Trichosporon cutaneum with Daqu distiller’s grains is possible. The research provides a new idea for the reuse of Daqu distiller’s grains and also
provides a new way for the development of microbial oils. 相似文献
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以玉米芯为原料,利用纤维素酶对其降解生成还原糖,酵母菌利用玉米芯降解物发酵生产低醇饮料。采用正交试验,通过检测降解物中还原糖的含量和对发酵产品进行感官评分确定最佳条件。研究结果表明,纤维素酶降解玉米芯的最佳条件为纤维素酶添加量0.05%、酶解温度35℃、酶解时间42 h、酶解pH4.8,在此条件下可获得还原糖5.232 g/L的降解物。酵母菌发酵玉米芯降解物生产低醇饮料的最佳条件为酵母菌接种量6%、发酵温度28℃、发酵时间48 h,在此条件下发酵制备低醇饮料酒精度为2.7%vol,感官综合评价得分为90分。 相似文献
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以邵阳市酒厂为实例介绍了磷化铝实仓熏蒸防治酒曲害虫技术运用研究.结果表明,密封72 h,仓温为35℃,3g/m3磷化铝能100%杀灭供试的各种裸露曲虫成虫,可98.76%杀灭曲砖中的各种曲虫的成虫和幼虫. 相似文献
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