金针菇菌糠发酵过程中理化指标的变化
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摘要
探索金针菇(Flammulina velutiper)菌糠在基质化利用过程中理化指标的变化情况,为金针菇菌糠科学合理利用提供理论基础。在金针菇菌糠中添加微生物菌剂进行发酵处理,分别测定菌糠发酵物的可溶性糖、可溶性蛋白质、容重、总孔隙度、pH、电导率。结果表明,添加微生物菌剂发酵金针菇菌糠0～20 d,可溶性糖、可溶性蛋白质含量有所下降,总孔隙度、电导率先上升后下降,容重、pH下降。研究结果明确了添加微生物菌剂后金针菇菌糠发酵过程中理化指标的变化情况,优化了金针菇菌糠发酵过程,为金针菇菌糠的基质化利用提供有效方法。
The aim of the study was to evaluate the changes of physical and chemical indicators,and to provide theoretical foundation for rational utilization of Flammulina velutiper mushroom residue. Microbial agent was added to the F. velutiper mushroom residue,and the content of soluble sugar and soluble protein,bulk density,total porosity,pH and conductivity during the fermentation process were measured. During the 0 ～20 d after microbial agent was added,the content soluble sugar and soluble protein decreased; The total porosity and conductivity rose in the first stage,and then decreased; Bulk density and pH decreased. The changes of physical and chemical indicators during the fermentation process of F. velutiper mushroom residue were detected,and the fermentation process of F. velutiper mushroom residue was optimized,which could provide effective method for utilization of F. velutiper mushroom residue.
The aim of the study was to evaluate the changes of physical and chemical indicators,and to provide theoretical foundation for rational utilization of Flammulina velutiper mushroom residue. Microbial agent was added to the F. velutiper mushroom residue,and the content of soluble sugar and soluble protein,bulk density,total porosity,pH and conductivity during the fermentation process were measured. During the 0 ～20 d after microbial agent was added,the content soluble sugar and soluble protein decreased; The total porosity and conductivity rose in the first stage,and then decreased; Bulk density and pH decreased. The changes of physical and chemical indicators during the fermentation process of F. velutiper mushroom residue were detected,and the fermentation process of F. velutiper mushroom residue was optimized,which could provide effective method for utilization of F. velutiper mushroom residue.
引文
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[2]胡晓婧,藏婷婷,顾海东,等.平菇菌糠对废水中铜离子的生物吸附性能[J].环境科学,2014,35(2):669-677.
[3] PAREDES C,MEDINA E,MORAL R,et al. Characterization of the different organic matter fractions of stent mushroom substrate[J].Communications in Soil Science&Plant Analysis,2009,40(1-6):150-161.
[4] S魣NCHEZ C. Cultivation of Pleurotus ostreatus and other edible mushrooms[J].Applied Microbiology and Biotechnology,2010,85(5):1321-1337.
[5] ZHANG L,SUN X Y. Changes in physical,chemical,and microbiological properties during the two-stage co-composting of green waste with spent mushroom compost and biochar[J].Bioresource Technology,2014,171:274-284.
[6]陈智毅,赵晓丽,刘学铭.金针菇菌糠堆肥生产有机肥研究[J].中国食用菌,2012,31(4):30-31.
[7]陈钧辉,李俊,张太平,等.生物化学实验[M].第四版.北京:科学出版社,2008.
[8]张志良.植物生理学实验指导[M].北京:高等教育出版社,2003.
[9]王巧利,林剑辉,许彦峰.基于BP神经网络的土壤容重预测模型[J].中国农学通报,2014,30(24):237-245.
[10]李季,彭生平.堆肥工程实用手册[M].北京:化学工业出版社,2005.
[11]孙先锋,钟海风,谢式云,等.高效堆肥菌种的筛选及在城市污泥堆肥上的应用[J].环境污染治理技术与设备,2006,7(2):108-111.
[12]杨越超,张民,马丽,等.包膜控释肥料养分释放率快速测定方法的研究[J].植物营养与肥料学报,2007,13(4):730-738.