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首页> 外文期刊>Bioprocess and Biosystems Engineering >Releasing intracellular product to prepare whole cell biocatalyst for biosynthesis of Monascus pigments in water-edible oil two-phase system
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Releasing intracellular product to prepare whole cell biocatalyst for biosynthesis of Monascus pigments in water-edible oil two-phase system

机译:发布细胞内产物以制备用于水可食用油两相系统中生物合成红曲霉色素的全细胞生物催化剂

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摘要

Selective releasing intracellular product in Triton X-100 micelle aqueous solution to prepare whole cell biocatalyst is a novel strategy for biosynthesis of Monascus pigments, in which cell suspension culture exhibits some advantages comparing with the corresponding growing cell submerged culture. In the present work, the nonionic surfactant Triton X-100 was successfully replaced by edible plant oils for releasing intracellular Monascus pigments. High concentration of Monascus pigments (with absorbance nearly 710 AU at 470 nm in the oil phase, normalized to the aqueous phase volume approximately 142 AU) was achieved by cell suspension culture in peanut oil-water two-phase system. Furthermore, the utilization of edible oil as extractant also fulfills the demand for application of Monascus pigments as natural food colorant.
机译:在Triton X-100胶束水溶液中选择性释放细胞内产物以制备全细胞生物催化剂是红曲霉色素生物合成的一种新策略,其中细胞悬浮培养与相应的生长中的细胞浸没培养相比具有一些优势。在目前的工作中,非离子型表面活性剂Triton X-100被食用植物油成功替代,以释放细胞内红曲霉色素。通过在花生油-水两相系统中进行细胞悬浮培养,可实现高浓度的红曲色素(油相在470 nm处的吸光度接近710 AU,归一化至水相体积约142 AU)。此外,利用食用油作为提取剂也满足了将红曲色素用作天然食用色素的需求。

著录项

  • 来源
    《Bioprocess and Biosystems Engineering》 |2016年第11期|1785-1791|共7页
  • 作者单位

    Shanghai Jiao Tong Univ, State Key Lab Microbial Metab, Sch Pharm, Shanghai 200240, Peoples R China|Shanghai Jiao Tong Univ, Engn Res Ctr Cell & Therapeut Antibody, Minist Educ, Shanghai 200240, Peoples R China;

    Shanghai Jiao Tong Univ, Sch Life Sci & Biotechnol, Shanghai 200240, Peoples R China|Shanghai Jiao Tong Univ, State Key Lab Microbial Metab, Shanghai 200240, Peoples R China;

    Shanghai Jiao Tong Univ, State Key Lab Microbial Metab, Sch Pharm, Shanghai 200240, Peoples R China|Shanghai Jiao Tong Univ, Engn Res Ctr Cell & Therapeut Antibody, Minist Educ, Shanghai 200240, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Edible oil; Releasing intracellular product; Whole cell biocatalyst; Cell suspension culture; Monascus pigments;

    机译:食用油;释放细胞内产物;全细胞生物催化剂;细胞悬浮培养;红曲霉色素;

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