桂圆果核黄酮提取工艺及抗氧化活性研究

陈心雨145,李 2,刘宏飞3

1456,王超凯1456,张 1456

1456,常少健145,蔡海燕145,彭 145*,郭 145*

1.四川省食品发酵工业研究设计院有限公司,四川成都 611130

2.四川外交家科技有限公司,四川资阳 641300

3.泸州纳贡庄园酒业有限公司,四川泸州 646000

4.刘念酿酒师技能大师工作室,四川成都 611130

5.中国轻工业酿酒工程及应用重点实验室,四川成都 611130

6.酿酒生物技术及应用四川省重点实验室,四川宜宾 644000

摘要:以桂圆果核为研究对象,采用超声提取桂圆果核黄酮,通过单因素试验及正交试验优化确定最佳提取工艺条件,并研究其抗氧化活性。研究结果表明,桂圆果核黄酮的最佳提取工艺条件:乙醇浓度为70%、提取温度为40 ℃、料液比为1∶30 g/mL、提取时间为60 min,平均黄酮提取率为5.17%,该提取工艺简便高效,稳定可行。在一定浓度范围内,桂圆果核黄酮对DPPH自由基、ABTS+自由基、羟基自由基的清除能力以及还原力均随黄酮提取液质量浓度的升高而增强,表明桂圆果核黄酮具有一定的抗氧化活性。该结果为桂圆果核黄酮工业化提取奠定一定的理论基础。

关键词:桂圆果核;黄酮;提取工艺;正交试验;抗氧化活性

中图分类号:TS255.1  文献标识码:A  文章编号:1674-506X202304-0044-0007



Study on Extraction Technology and Antioxidant Activity of Flavone from Longan Kernel

CHEN Xinyu145LI Lin2LIU Hongfei3LIU Nian1456

WANG Chaokai1456ZHANG Lei1456LI Mi1456,

 CHANG Shaojian145CAI Haiyan145PENG Kui145*GUO Jie145*

(1.Sichuan Food and Fermentation Industry Research & Design Institute Co., Ltd., Chengdu Sichuan 611130, China;

2.Sichuan Diplomat Technology Co.,Ltd., Ziyang Sichuan 641300, China;

3.Luzhou Nagong Manor Wine Co.,Ltd. ,Luzhou Sichuan 646000, China;

4.Liu Nian’s Master Studio of Oenological Skills, Chengdu Sichuan 611130, China;

5.Key Laboratory of Brewing Engineering and Application of China National Light Industry Council,

Chengdu Sichuan 611130, China;

6.Liquor-making Biotechnology & Application Key Laboratory of Sichuan Province, Yibin Sichuan 644000, China)

Abstract:The flavonoids from longan kernel were extracted by ultrasonography, and the optimal extraction conditions were determined by single factor test and orthogonal test, and the antioxidant activity of longan kernel was studied. The results showed that the optimal extraction conditions were as follows: ethanol concentration of 70%, extraction temperature of 40 ℃, solid-liquid ratio of 1∶30 g/mL, extraction time of 60 min, average extraction rate of flavonoids was 5.17%. The extraction process was simple, efficient, stable and feasible. In a certain concentration range, the scavenging ability of longan kernel flavonoids on DPPH free radicals, ABTS+ free radicals and hydroxyl free radicals and the reducing ability of flavonoids were enhanced with the increase of the concentration of flavonoids extract, which indicated that longan kernel flavonoids had certain antioxidant activities. The results provided a theoretical basis for industrial extraction of flavone from longan kernel.

Keywordslongan kernel; flavonoids; extraction technology; orthogonal test; antioxidant activity

doi10.3969/j.issn.1674-506X.2023.04-007


收稿日期:2023-02-20

基金项目:国家科技部重点研发项目(2021YFD1600804);资阳市科技局重点研发项目(Zykjjsc20-zdyf-2022-02);泸州市科技局重点研发项目(2022-SYF-29

作者简介:陈心雨(1995-),男,硕士,工程师。研究方向:酿酒工程及天然产物活性成分提取。

*通信作者:彭奎(1982-),男,博士研究生,正高级工程师。研究方向:酿酒工程;郭杰(1973-),男,高级工程师。研究方向:酿酒工程。


引用格式:陈心雨,李琳,刘宏飞,.桂圆果核黄酮提取工艺及抗氧化活性研究[J].食品与发酵科技,2023,59(4):44-50.





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