食品与发酵工业 >

2022 , Vol. 48 >Issue 4: 32 - 38

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.027545

研究报告

核桃内种皮不同形态酚酸类化合物的溶剂提取率比较

  • 沈丹玉 ,
  • 窦立耿 ,
  • 刘毅华 ,
  • 汤富彬 ,
  • 赵振东 ,
  • 毕良武
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  • 1(中国林业科学研究院林产化学工业研究所,生物质化学利用国家工程实验室,国家林业和草原局林产化学工程重点实验室,江苏省生物质能源与材料重点实验室,江苏 南京,210042)
    2(南京林业大学,江苏省林业资源高效加工利用协同创新中心,江苏 南京,210042)
    3(中国林业科学研究院亚热带林业研究所,浙江 杭州,311400)
    4(连云港市南云台林场管理处,江苏 连云港,222062)
博士研究生,高级实验师(毕良武研究员为通信作者,E-mail:biliangwu@126.com)

收稿日期: 2021-03-31

  修回日期: 2021-04-29

  网络出版日期: 2022-03-16

基金资助

国家重点研发计划资助项目(2018YFD0600405);中国林科院基本科研业务费专项资金(CAFYBB2019QD002;CAFYBB2017QC002)

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Comparison of solvent extraction rates of different forms of phenolic acids in walnut pellicle

  • SHEN Danyu ,
  • DOU Ligeng ,
  • LIU Yihua ,
  • TANG Fubin ,
  • ZHAO Zhendong ,
  • BI Liangwu
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  • 1(Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry;National Engineering Lab.for Biomass Chemical tilization;Key Lab.of Chemical Engineering of Forest Products, National Forestry and Grassland Administration;Key Lab.of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China)
    2(Nanjing Forestry University, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China)
    3(Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, China)
    4(Lianyungang nanyuntai Forest Farm Management Office, Lianyungang 222062, China)

Received date: 2021-03-31

  Revised date: 2021-04-29

  Online published: 2022-03-16

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摘要

该文研究溶剂对核桃内种皮中不同形态酚酸类化合物的提取率,建立了适用于核桃内种皮中酚酸类化合物的提取方法。以新疆核桃为原料,比较不同比例的甲醇、乙醇溶液对核桃内种皮中可溶性游离态、可溶性酯化态和不溶性结合态酚酸的提取率。结果表明,50%(体积分数,下同)甲醇适合提取可溶性游离态绿原酸、没食子酸;50%(体积分数,下同)乙醇适合提取可溶性游离态丁香酸、香草酸;60%乙醇适合提取可溶性酯化态没食子酸;100%乙醇适合提取可溶性游离态原儿茶酸、不溶性结合态香草酸;80%甲醇和70%乙醇2种溶液对于上述以外的核桃内种皮3种不同形态的大多数酚酸具有较高的提取率。研究结果可为核桃内种皮中不同形态不同种类酚酸的提取开发利用提供参考。

关键词： 酚酸; 核桃; 内种皮; 形态; 溶剂提取率

本文引用格式

沈丹玉 , 窦立耿 , 刘毅华 , 汤富彬 , 赵振东 , 毕良武 . 核桃内种皮不同形态酚酸类化合物的溶剂提取率比较[J]. 食品与发酵工业, 2022 , 48(4) : 32 -38 . DOI: 10.13995/j.cnki.11-1802/ts.027545

Abstract

The extraction efficiency of different forms of phenolic acids from walnut pellicle was studied, and a suitable extraction method for phenolic acids from walnut pellicle was established. The effects of different proportions of methanol and ethanol on the extraction of soluble free, esterified and insoluble bound phenolic acids from walnut pellicle were compared. The results showed that 50% methanol was suitable for extracting soluble free chlorogenic acid and gallic acid and 50% ethanol was suitable for extracting soluble free syringic acid and vanillic acid. Moreover, 60% ethanol was suitable for extracting soluble esterified gallic acid and 100% ethanol was suitable for extracting soluble free protocatechuic acid and insoluble bound vanillic acid. Besides, 80% methanol and 70% ethanol solution both had higher extraction rates for most of the three different forms of phenolic acids. The results could provide a reference for the extraction and utilization of different phenolic acids in walnut pellicle.

Key words： phenolic acids; walnut; pellicle; form; solvent extraction rates

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