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Abstract
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Article Information:
Gamma-Linolenic Acid Production with Simultaneous Lipid-Content Reduction in Soybean Meal after Solid-State Fermentation
Alex Fernando de Almeida, Sâmia Maria Tauk-Tornisielo, Felipe Bardari Turi and Antonio Carlos Simões Pião
Corresponding Author: Alex Fernando de Almeida
Submitted: November 09, 2011
Accepted: December 09, 2011
Published: July 10, 2012 |
Abstract:
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The aim of this study was to evaluate changes in fatty acids composition, following the production
of gamma-linolenic acid and the reduction of lipid concentration after agro-industrial substrates fermentation.
A Mucor circinelloides strains was selected among seven fungal strains as the most effective gamma-linolenic
acid producer in submerged cultivation. This filamentous fungus had the action lipolytic during solid-state
fermentation with agro-industrial substrates, followed of the production of 3.0 g/kg BP of gamma-linolenic acid
in cultures with soybean meal. Canola and sesame oil mixture (2% w/w) provided a gamma linolenic acid
production of 6.2 g/kg BP. Moisture of the substrate created a compact mass preventing fungus utilized the
substrate completely. When rice husks was added to the substrate, supplemented with canola plus sesame oils
2%, it was observed the gamma-linolenic acid production of 8.4 g/kg BP and total lipid was reduced 3.3-fold.
These results represent a new perspectives and promising for the oleaginous fungi in solid-state fermentation
cultivation process, objectifying the production of feed with improved nutritional quality and at low cost.
Key words: Agro-industrial substrate, fatty acid, fermentation, filamentous fungi, lipid, Mucor circinelloides,
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Cite this Reference:
Alex Fernando de Almeida, Sâmia Maria Tauk-Tornisielo, Felipe Bardari Turi and Antonio Carlos Simões Pião, . Gamma-Linolenic Acid Production with Simultaneous Lipid-Content Reduction in Soybean Meal after Solid-State Fermentation. Current Research Journal of Biological Sciences, (4): 366-371.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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