Journal
BIORESOURCE TECHNOLOGY
Volume 73, Issue 1, Pages 41-45Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0960-8524(99)00132-7
Keywords
gamma-linolenic acid; solid-state fermentation; mucorales
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Apple pomace (AP) and spent malt grains (SMG) were used as the major substrate components for the production of a high-value fungal oil containing up to 11.43% biologically active gamma-linolenic acid (GLA). The solid-state fermentation (SSF) process developed for GLA production was affected by substrate composition and moisture, agitation and aeration. Under optimised conditions GLA yields as high as 3.50 g/kg moist substrate were obtained from Thm,Thamnidium elegans CCF 1456, grown on a substrate consisting of a mixture of AP and SMG impregnated with peanut oil and a nutrient solution, after 8 days of incubation. (C) 2000 Elsevier Science Ltd. All rights reserved.
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