Comparison of the Contents of Polysaccharide in Hypha and Fermentation Broth of Different Panellus edulis Strains(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2013年19期

Page:

155-158

Research Field:

Publishing date:

Info

Title:

Comparison of the Contents of Polysaccharide in Hypha and Fermentation Broth of Different Panellus edulis Strains

Author(s):

LIU Yu¹; WANG Jian-rui²; LU Tie²; HAO Xiao-dong¹; Tuliguer¹; 2

1.Shandong Key Laboratory of Edible Mushroom Technology，Agricultural Institute，Ludong University，Yantai，Shandong 264025；

2.Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi，Institute of Mycology，Jilin Agricultural University，Changchun,Jilin 130118

Keywords:

IPS; EPS; mycelial biomass; liquid fermentation cultivation

PACS:

Q 815

DOI:

-

Abstract:

Mycelia polysaccharide and fermented liquid polysaccharide of cultivated strains and wild strains (wild non-stipe strain and wild long stipe strain) of Panellus edulis were extracted and separated after different fermentation time.IPS and EPS concentration of every strain were determined.The dynamic change trend of correlative indexes about mycelia biomass，the contents of IPS and EPS of three kinds of strains in different fermentation time were analyzed.The results showed that mycelia biomass of Panellus edulis reached the maximum at 12 d in the conditions of constant temperature and oscillation，as 25℃ and 180 r/min culture.The growth rate of cultivated strain was faster than other two wild stains；in the process of Panellus edulis liquid culture，the change of intracellular polysaccharide content was positively related to mycelia biomass；at the early stage of fermentation，the content of intracellular polysaccharide got increased when biomass was added more，but got decreased when the fermented strains as plateau or recession time.Among them，the content of IPS in two cultivated strains was considerably higher than wild strains.EPS change was irregularly during the fermental cultivation time.

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