Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/100845
Type: Artigo de periódico
Title: Enhancement Of Gamma-linolenic Acid Production By The Fungus Mucor Sp Lb-54 By Growth Temperature
Author: De Oliveira Carvalho P.
De Oliveira J.G.
Pastore G.M.
Abstract: As a relatively prolific producer of GLA, the strain of Mucor sp LB-54 was selected for a study at different growth temperatures in shaker flask culture. The strain used in our experiment was capable to accumulate a relatively high amount of intracellular lipid, 20.73% of dry cell weight, and GLA content of 15% of total fatty acids after 5 days of incubation at 28°C. As the growth temperature was decreased from 28 to 12°C the percentage of GLA increased from 15 to 24% of total fatty acids. In order to optimize the culture conditions for rapid biomass production and lipid production with a high proportion of GLA, the fungus was grown at two temperature combinations associated supplies of carbon source (glucose) in the culture medium. Maximal production of GLA (74 mg/l) was obtained from the Mucor sp LB-54 strain after 5 days of incubation at 28°C in basal medium following glucose addition (7% w/v) and incubation for an additional 3 days at 12°C. The identity of GLA found in the strain of Mucor sp LB-54 was confirmed by the coupled gas chromatography-mass spectrometry.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0032693359&partnerID=40&md5=4bb48fdba54591e7dc275bdb7f72ed94
Date Issue: 1999
Appears in Collections:Unicamp - Artigos e Outros Documentos

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