Document Detail

Evaluation of inoculum performance for enhancing gamma-linolenic acid production from Mucor rouxii.
MedLine Citation:
PMID:  18298455     Owner:  NLM     Status:  MEDLINE    
AIMS: To facilitate a cost-effective preparation of spore inoculum with good capacity for gamma-linolenic acid (GLA) production from Mucor rouxii. METHODS AND RESULTS: Sporangiospore production, mycelial growth ability and fatty acid composition of M. rouxii were determined. Compared with fungal cultivation on solid semi-synthetic media, high spore production was achieved from M. rouxii grown on rice grains, particularly polished rice (30.7 g kg(-1) initial substrate). Variations in the fatty acid profiles were found in the spores grown on different types of solid media, whereas the spores obtained at different ages from cultivated polished rice showed a similar fatty acid profile. Using the inocula from different spore-forming media and culture ages, and low temperature storage, not much change in the vegetative growth of submerged cultures or fatty acid composition of mycelia was observed. CONCLUSION: The spores generated on polished rice exhibited a high performance for GLA production. Age of spore and timing of spore storage at low temperature did not affect on fatty acid profile of the mycelial cultures. SIGNIFICANCE AND IMPACT OF THE STUDY: The simple, low cost method of inoculum preparation can be applied for large-scale production of GLA-rich oils, which reduce a time constraint and variation in fatty acid composition.
S Jeennor; K Laoteng; M Tanticharoen; S Cheevadhanarak
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-02-22
Journal Detail:
Title:  Letters in applied microbiology     Volume:  46     ISSN:  1472-765X     ISO Abbreviation:  Lett. Appl. Microbiol.     Publication Date:  2008 Apr 
Date Detail:
Created Date:  2008-03-20     Completed Date:  2008-04-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8510094     Medline TA:  Lett Appl Microbiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  421-7     Citation Subset:  IM    
Pilot Plant Development and Training Institute, King Mongkut's University of Technology Thonburi, Bangkok, Thailand.
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MeSH Terms
Fatty Acids / analysis
Mucor / growth & development,  metabolism*
Mycelium / chemistry,  growth & development
Oryza sativa / metabolism
Spores, Fungal / chemistry,  growth & development
Time Factors
gamma-Linolenic Acid / metabolism*
Reg. No./Substance:
0/Fatty Acids; 506-26-3/gamma-Linolenic Acid

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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