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Chemical Structure| 92693-03-3 Chemical Structure| 92693-03-3

Structure of 17(S)-HDHA
CAS No.: 92693-03-3

Chemical Structure| 92693-03-3

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Lee, Jin ; Park, Hyun-Ah ; Shin, Kyung-Chul ; Park, Jin-Byung ; Oh, Deok-Kun ;

Abstract: Resolvin D5 (RvD5), 7S,17S-dihydroxy-4Z,8E,10Z,13Z,15E,19Z-docosahexaenoic acid (DHA) is a specialized pro-resolving mediator (SPM) generated in human macrophages. It is implicated in the resolution of inflammation and synthesized using an inefficient chem. process. Here, DHA-enriched oil hydrolyzate was prepared from oils by lipase with resin treatment and solvent extraction The reaction factors on the biotransformation of oil hydrolyzate into RvD5 were optimized using Escherichia coli expressing arachidonate double-oxygenating 15S-lipoxygenase. After optimization, the cells converted 5.0 mM (1.64 g/L) DHA in oil hydrolyzate into 4.0 mM (1.44 g/L) RvD5 in a bioreactor for 3.0 h, which was 15-fold higher than that in a flask before optimization, and RvD5 with a purity of > 97% was prepared from reaction solution by treatments of resins. This is the first trial for the production of C22-dihydroxy fatty acid using a bioreactor. This study will contribute to the large-scale production of SPMs from oils.

Keywords: Lipoxygenase ; Resolvin D5 ; Docosahexaenoic acid-enriched oil hydrolysate ; Biotransformation ; Bioreactor

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Product Details of [ 17(S)-HDHA ]

CAS No. :92693-03-3
Formula : C22H32O3
M.W : 344.49
SMILES Code : CC/C=C\C[C@@H](/C=C/C=C\C/C=C\C/C=C\C/C=C\CCC(O)=O)O

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