Oil production by Mortierella isabellina from whey treated with lactase

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  3. 기타
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논문

Oil production by Mortierella isabellina from whey treated with lactase

학술지

Bioresource technology : biomass, bioenergy, biowastes, conversion technologies, biotransformations, production technologies

저자명

Demir, M.; Turhan, I.; Kucukcetin, A.; Alpkent, Z.

초록

Whey, a by-product of cheese manufacturing is rich in nutrients such as lactose, proteins, and mineral salts. The fungus Mortierella isabellina was used for production of oil containing γ-linoleic acid (GLA) during fermentation on deproteinized whey permeate (DP-WP) with and without lactase addition. The maximum oil concentration was 3.65g/L in DP-whey (16.0% lactose) without enzyme treatment. Treatment of DP-WP with lactase resulted in an increase in oil content to 17.13g/L. Palmitic (22.50-25.80%) and oleic acids (37.60-48.56%) were the major fatty acids along with GLA (2.18-5.48%), linoleic (16.21-22.43%) and stearic acid (3.20-10.08%). This study suggests that whey can be utilized as a feedstock for production of microbial oil.

발행연도

2013

발행기관

Elsevier Applied Science

ISSN

0960-8524

권

128

페이지

pp.365-369

DOI

10.1016/j.biortech.2012.10.078