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Study on Screening of Liquid Fermentation Strains of Lyophyllum decastes(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年03期
Page:
134-138
Research Field:
Publishing date:

Info

Title:
Study on Screening of Liquid Fermentation Strains of Lyophyllum decastes
Author(s):
ZHOU Hui-ming12ZHANG Yan-zhen12CHEN Yin-hui2XI Ya-li2WEI Sheng-long2
1.Department of Agronomy,Lincang Teachers’ College,Lincang,Yunnan 677000;
2.Mushroom Research Institute,Hexi University,Zhangye,Gansu 734000
Keywords:
Lyophyllum decastesliquid fermentationstrains screening
PACS:
Q 939.96
DOI:
-
Abstract:
Excellent strains were screened for the liquid fermentation of Lyophyllum decastes,which were the basis of exploring its main factory fermentation.Based on the mycelium biological characteristics,eleven typical strains of Lyophyllum decastes were selected from 137 strains of Lyophyllum decastes and the liquid culture characteristics of each strain were measured through the method of liquid culture.The results showed that the eleven strains could form bacteria balls at 22℃,mainly white and irregular.The culture of bitter almond flavor,the color tended to be light yellow except strain ‘ZY02’ and ‘ZY05’,which were brown,the sugar content was between 1.0% and 2.3%,and the pH of 82% strains was 6.5~7.5.Strain ‘ZY05’ had the largest number of mycelial pellets (1.51×104 CFU/L),and its biomass was 5.4173 g/L.Strain ‘ZY09’ had the largest biomass (8.0937 g/L),the number of mycelial pellets was 1.31×104 CFU/L,and its pH was the lowest,only 4.91.And strain ‘ZY10’ has the largest content of polysaccharides (1.1053 g/L).In short,different strains led to different mycelium culture characteristics,and strain ‘ZY05’,‘ZY09’and ‘ZY10’were the best strains,judged respectively from the screening index of number of mycelial pellets, biomass and polysaccharides.

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Last Update: 2014-08-22