摘要
为了提高豆渣的利用率,探究豆渣固态发酵培养杏鲍菇菌丝体的最优生长条件,以杏鲍菇菌丝体的生长情况和氨基酸态氮为指标,研究豆渣含水量、菌种接种量以及培养温度对豆渣杏鲍菇菌丝体生长的影响,然后采用正交试验L9(34)进一步优化.结果表明:影响杏鲍菇菌丝体生长的主次顺序为豆渣含水量、菌丝体培养温度、菌种接种量;培养杏鲍菇菌丝体的最适条件为豆渣含水量70%、菌种接种量10%、培养温度28°C,培养6天后豆渣杏鲍菇菌丝体的氨基酸态氮含量为1.06%.
In order to improve the utilization ratio of soybean dregs, the optimum growth conditions of mycelium of Pleurotus eryngii by solid-state fermentation with soybean dregs were studied. Taking the growth of mycelia of Pleurotus eryngii and amino acid nitrogen as indexes, the effects of water content, inocula amount and culture temperature on the growth of mycelium of Pleurotus eryngii were studied. The orthogonal test L9(34) was used for further optimization. The results show that the influecing order of mycelium growth was water content of soybean residue, mycelium culture temperature, and inoculum quantity. The optimum condition is that when water content of soybean residue is 70%, inoculum quantity is 10%, and culture temperature is 28°C. The content of amino acid nitrogen in mycelium of Pleurotus eryngii is 1.06% after 6 days of culture.
引文
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