摘要
研究了康氏木霉(TrichodermaKoningi)菌体中氨基葡萄糖NG与菌体量的相关性,在一定的培养条件下,NG含量与菌体量呈线性关系.在100℃,8.5mol/LHCl水解45min,菌体中的NG能够比较完全地释放出来.探讨了影响固态发酵过程中测定菌体量的诸多因素.孢子中的NG含量约占菌体中的22.5%,作为培养基主要成分的玉米皮、麸皮的NG均仅占4.6%.通过测定NG,能比较准确地估测固体曲的菌体量,从而为研究纤维素酶固态发酵过程中菌的生长代谢与酶合成的关系,提供一个简便可靠的方法.
The relations between the glucosamine in T.koningii cell wall and mycelium were studied.Under the same cultivating conditions,glucosamine contents have straight relations to mycelium.Hydrolyzed by 8.5 mol/L HCl for forty-five minutes at 100 ℃,the glucosamine in the cell wall can be released completely.Koji mycelium can be accurately estimated during measuring glucosaminthath provides a more dependable method to study the relations between the growth and enzyme formation in solid state fermentation.In additions,such facters as influence the estimation of the mycelium in SSF are studied further.If the media are different,the glucosamine contents in the cell are also different.The glucosamine contents in the spores account for 22.5percent glucosamine contents in the cell,while corn bran and wheat bran are only 4.6percent.
出处
《山东大学学报(自然科学版)》
CSCD
1998年第4期468-472,共5页
Journal of Shandong University(Natural Science Edition)