[1]胡传久,韩素芳,魏海龙,等.三叶崖爬藤块根多糖复合酶法提取工艺优化及其抗氧化活性研究[J].浙江林业科技,2020,40(06):24-30.[doi:10.3969/j.issn.1001-3776.2020.06.004]
 HU Chuan-jiu,HAN Su-fang,WEI Hai-long,et al.Polysaccharide Extracted from Root Tuber of Tetrastigma hemsleyanum by Multienzymesand Its Antioxidant Activity[J].Journal of Zhejiang Forestry Science and Technology,2020,40(06):24-30.[doi:10.3969/j.issn.1001-3776.2020.06.004]
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三叶崖爬藤块根多糖复合酶法提取工艺优化及其抗氧化活性研究()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
40
期数:
2020年06期
页码:
24-30
栏目:
出版日期:
2020-12-25

文章信息/Info

Title:
Polysaccharide Extracted from Root Tuber of Tetrastigma hemsleyanum by Multienzymesand Its Antioxidant Activity
文章编号:
1001-3776(2020)06-0024-07
作者:
胡传久1韩素芳1魏海龙1邹景泉1贺 亮1付立忠2程俊文1
1. 浙江省林业科学研究院,浙江省森林资源生物与化学利用重点实验室,浙江 杭州 310023;2. 浙江中医药大学药学院,浙江 杭州 311402
Author(s):
HU Chuan-jiu1HAN Su-fang1WEI Hai-long1ZOU Jing-quan1HE Liang1FU Li-zhong2CHENG Jun-wen1
1. Zhejiang Academy of Forestry, Key Laboratory of Biological and Chemical Utilization of Forest Resources, Hangzhou 310023, China;2. College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 311402, China
关键词:
三叶崖爬藤多糖复合酶响应面抗氧化
Keywords:
Tetrastigma hemsleyanum polysaccharide multienzymes response surface methodology antioxidant activity
分类号:
R284.2
DOI:
10.3969/j.issn.1001-3776.2020.06.004
文献标志码:
A
摘要:
在单因素试验的基础上,通过Box-Benhnken 中心组合设计和响应面分析法优化三叶崖爬藤Tetrastigmahemsleyanum 根中多糖的复合酶法提取工艺条件。在前期预实验的基础上,采用淀粉酶、木瓜蛋白酶、果胶酶按2∶2∶1(质量比)组成复合酶对三叶崖爬藤根进行酶解处理,对工艺中的主要参数酶解温度、加酶量和酶解时间进行了优化。响应面分析结果表明,三叶崖爬藤根中多糖的最佳提取条件为:酶解温度51.7℃,加酶量2.8%,酶解时间92.3 min,在此工艺下,验证试验多糖得率为3.84%,与理论值3.97%基本吻合。抗氧化实验表明,三叶崖爬藤多糖对DPPH·,·O2-,·OH 清除作用的IC50 分别为0.32,0.46,0.37 mg·mL-1,表明三叶崖爬藤多糖具有一定的抗氧化能力。
Abstract:
In November 2017, root tubers of 3-year Tetrastigma hemsleyanum were collected in Pan’an, Zhejiang province. Experiments wereconducted on extraction of polysaccharide from tubers by multienzymatic method and response surface analysis. Based on the results of single factorexperiment, enzymolysis was carried out by multienzymes (ratio of amylase, protease, pectinase of 2:2:1). Optimization of extraction technology wasimplemented on enzymatic hydrolysis temperature, time and total enzyme amount. The response surface analysis demonstrated that polysaccharideyield topped 3.84% under condition of enzymatic hydrolysis temperature of 51.7℃, total enzyme amount of 2.8%, enzymatic hydrolysis time of 92.3minutes, similar to theoretical value of 3.97%. Antioxidant activity test showed that the polysaccharide from tubers of T. hemsleyanum had the IC50 ofradical scavenging capacity on DPPH·, O2- and OH was 0.32 ,0.46,0.37 mg/mL.

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备注/Memo

备注/Memo:
收稿日期:2020-05-05;修回日期:2020-10-17
基金项目:浙江省科技厅公益项目(2017C32029),浙江省自然科学基金项目(LQ18C160005)
作者简介:胡传久,硕士,助理研究员,从事森林资源研究与开发;E-mail:huchuanjiu@163.com。通信作者:程俊文,硕士,副研究员,从事森林食品活性成分加工研究;E-mail:jwchengzj@163.com。
更新日期/Last Update: 2020-12-20