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Enzymatic esterification of bixin by l-ascorbic acid

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Abstract

Bixin, a carotenoid, was esterified by l-ascorbic acid using immobilized lipase B from Candida antarctica. The conversion of l-ascorbic acid was 25% under atmospheric pressure. Ester production was twice higher when working under reduced pressure and was third lower when norbixin was used as a substrate-acyl donor due to lipase specificity, leading to a conversion of l-ascorbic acid of 50% and 8%, respectively.

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Authors and Affiliations

  1. Laboratoire de Fermentations et de Bioconversions Industrielles, E.N.S.A.I.A., 2 avenue de la For^et de Haye, 54500, Vandoeuvre-lès-Nancy, France

    C. Humeau, B. Rovel & M. Girardin

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  1. C. Humeau
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  2. B. Rovel
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  3. M. Girardin
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Humeau, C., Rovel, B. & Girardin, M. Enzymatic esterification of bixin by l-ascorbic acid. Biotechnology Letters 22, 165–168 (2000). https://doi.org/10.1023/A:1005665913685

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  • DOI: https://doi.org/10.1023/A:1005665913685

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