稻草
产酸作用
纤维素
食品科学
细菌
复合数
生物量(生态学)
化学
生物降解
木质素
制浆造纸工业
微生物学
生物
农学
厌氧消化
材料科学
生物化学
复合材料
有机化学
遗传学
工程类
甲烷
作者
Keqiang Zhang,Xiu-wei Chen,Min Ji,An-rong Ning,Huan Fan,Ke Zhou
出处
期刊:PubMed
日期:2004-01-01
卷期号:16 (4): 690-3
被引量:3
摘要
A composite microbial system, including a strain of Candida tropicalis (W3), a strain of Lactobacillus plantarm(WY3) and three strains of basidiomycete pL104, pL113 and C33, was chosen to degrade corn straw. The final pH was acid owing to the inoculation of acidogenic bacteria, and under this condition the composite fungi system could produce complex enzyme to destroy the compact structure of corn straw. The experimental results showed that the biomass of composite fungi could reach up to maximum when the pH value was 4.5. Through the bio-degradation by combining acidogenic bacteria with the composite fungi system, the cellulose, hemi-cellulose and lignin degradation rates of corn straw powder were 26.36%, 43.30% and 26.96%, respectively. And the gross crude protein content increased 60.41%. This study provided the evidence for the feasibility of developing a composite microbial system with high capability of degrading straw lignocelluloses in order to make reasonable use of straw resource and protect rural eco-environment.
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