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首页> 外文期刊>International journal of food science & technology >Green recovery of phenolic compounds from rice byproduct (rice bran) using glycerol based on viscosity, conductivity and density
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Green recovery of phenolic compounds from rice byproduct (rice bran) using glycerol based on viscosity, conductivity and density

机译：基于粘度，电导率和密度，使用甘油从水稻副产物（米糠）的绿色回收酚类化合物

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摘要

Rice bran, the industry byproduct, contains high levels of phenolic compounds. Based on glycerol, a green recovery of phenolics from rice bran was proposed. Extraction temperature (X-1), glycerol concentration (X-2) and liquid-to-solid ratio (X-3) were optimised by response surface methodology. Basic physical properties, that is, viscosity, conductivity, density were analysed and UPLC-Triple-TOF/MS method was applied for phenolic identification. Results showed the optimum conditions were X-1 = 66.76 degrees C, X-2 = 19.47% and X-3 = 32.92 mL g(-1). Under these conditions, the recovery yield in total polyphenols was 708.58 +/- 12.36 mg GAE/100 g DW. Moreover, the recovery capacity of phenolic compounds was significantly correlated with viscosity, conductivity and density of glycerol solution. Under the optimal conditions, totals of thirteen phenolic compounds were identified and phenolic acids (4-hydroxybenzoic acid, vanillic acid, syringic acid, 4-coumaric acid, ferulic acid and salicylic acid) were quantified. These results demonstrate glycerol can serve as an ideal green solvent to recover phenolic compounds from rice bran.
机译：米糠，行业副产品含有高水平的酚类化合物。基于甘油，提出了米糠的酚类绿色回收。提取温度（X-1），通过响应表面方法优化甘油浓度（X-2）和液态与实心比（X-3）。分析基本物理性质，即分析粘度，电导率，密度，并施加UPLC-Triple-ToF / MS方法用于酚醛鉴定。结果表明，最佳条件为X-1 = 66.76℃，X-2 = 19.47％和X-3 = 32.92ml G（-1）。在这些条件下，总多酚的回收率为708.58 +/- 12.36mg gae / 100g dw。此外，酚类化合物的恢复能力与甘油溶液的粘度，电导率和密度显着相关。在最佳条件下，鉴定了13个酚类化合物的总数，并定量酚酸（4-羟基苯甲酸，香草，注射酸，4-香豆酸，阿魏酸和水杨酸）。这些结果证明了甘油可以作为从米糠中回收酚类化合物的理想绿色溶剂。

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  • 作者

    Huang Hao; Wang Zhenni; Aalim Halah; Limwachiranon Jarukitt; Li Li; Duan Zhenhua; Ren Guoping; Luo Zisheng;

  • 作者单位

    Zhejiang Univ Zhejiang Key Lab Agrifood Proc Key Lab Agroprod Postharvest Handling Coll Biosyst Engn & Food Sci Minist Agr & Rural A Hangzhou 310058 Zhejiang Peoples R China;

    Zhejiang Univ Zhejiang Key Lab Agrifood Proc Key Lab Agroprod Postharvest Handling Coll Biosyst Engn & Food Sci Minist Agr & Rural A Hangzhou 310058 Zhejiang Peoples R China;

    Zhejiang Univ Zhejiang Key Lab Agrifood Proc Key Lab Agroprod Postharvest Handling Coll Biosyst Engn & Food Sci Minist Agr & Rural A Hangzhou 310058 Zhejiang Peoples R China;

    Zhejiang Univ Zhejiang Key Lab Agrifood Proc Key Lab Agroprod Postharvest Handling Coll Biosyst Engn & Food Sci Minist Agr & Rural A Hangzhou 310058 Zhejiang Peoples R China;

    Zhejiang Univ Zhejiang Key Lab Agrifood Proc Key Lab Agroprod Postharvest Handling Coll Biosyst Engn & Food Sci Minist Agr & Rural A Hangzhou 310058 Zhejiang Peoples R China;

    Hezhou Univ Inst Food Sci & Engn Hezhou Peoples R China;

    Hangzhou Wanxiang Polytech Huawu Rd 3 Hangzhou 310023 Zhejiang Peoples R China;

    Zhejiang Univ Zhejiang Key Lab Agrifood Proc Key Lab Agroprod Postharvest Handling Coll Biosyst Engn & Food Sci Minist Agr & Rural A Hangzhou 310058 Zhejiang Peoples R China;

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

    Glycerol; green extraction; optimisation; phenolics; physical properties; rice bran;

    机译：甘油;绿色提取;优化;酚类;物理性质;米糠;

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