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Conversion of oleic acid to 10-hydroxystearic acid by whole cells of <Emphasis Type="Italic">Stenotrophomonas nitritireducens</Emphasis>
Authors:Bi-Na?Kim  Soo-Jin?Yeom  Email author" target="_blank">Deok-Kun?OhEmail author
Institution:(1) Department of Bioscience and Biotechnology, Konkuk University, 1 Hwayang-Dong, Gwangjin-Gu, Seoul, 143-701, Republic of Korea;
Abstract:The optimal reaction conditions for the conversion of oleic acid to 10-hydroxystearic acid by whole cells of Stenotrophomonas nitritireducens were: pH 7.5, 35°C, 0.05% (w/v) Tween 80, 20 g cells l−1, and 30 g oleic acid l−1 in an anaerobic atmosphere. Under these conditions, the cells produced 31.5 g 10-hydroxystearic acid l−1 over 4 h with a conversion yield of 100% (mol/mol) and a productivity of 7.9 g l−1 h−1, indicating that oleic acid was converted completely to 10-hydroxystearic acid, with no detectable byproduct. This is the highest concentration, productivity, and yield of 10-hydroxystearic acid from oleic acid reported thus far.
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