以秀丽隐杆线虫为模式生物的蓝莓果酒抗氧化及抗衰研究
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(湖南农业大学食品科技学院,湖南 长沙 410128)

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魏焘,男,湖南农业大学在读本科生。

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Study on antioxidant and anti-aging analysis of blueberry wine in C.elegans
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(College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China)

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    摘要:

    为探讨不同组分的蓝莓果酒对秀丽隐杆线虫抗氧化性能与抗细胞凋亡的影响,从而确定蓝莓果酒中主要物质的浓度及食用功能特性。以秀丽隐杆线虫(Caenorhabditis elegans)为模式生物,a组在蓝莓果酒的酒精度(体积分数)为14%的基础上,通过改变其原花青素(proanthocyanidin,PC)含量设置6个喂食组,b组在蓝莓果酒的原花青素含量为3 mg/mL的基础上,通过改变其酒精度设置7个喂食组,对照组线虫以大肠杆菌OP50喂养,检测各组线虫的抗氧化酶活力以及细胞凋亡情况。结果表明:蓝莓酒中的原花青素是延缓衰老的有效成分,低浓度酒精(<10%)也能延缓衰老,但是当酒精度(体积分数)高于10%时,则具有反作用,原花青素浓度为3 mg/mL、酒精度(体积分数)为10%的蓝莓果酒对线虫的抗衰老作用最佳。

    Abstract:

    In order to determine the concentration of essential substances and functional properties of blueberry wine, antioxidant activity and anti-apoptosis of blueberry wine were analyzed with Caenorhabditis elegans (C. elegans) by feeding different kinds of blueberry wines. Based on blueberry wine, six feeding groups with different proanthocyanidin (PC) concentration and 14% alcohol were set. In same way, another seven feeding groups with different alcohol concentration and 3 mg/mL PC were also set. And the control group C. elegans only fed with E. coli OP50. All results were defined by testing the activity of antioxidant enzyme and apoptosis in C. elegans. It showed that PC is an anti-aging factor; the aging of C.elegans can be delayed at low alcohol concentration (< 10%). However, it can accelerate aging when the alcohol concentration was more than 10%. The results showed that blueberry wine with PC concentration of 3 mg/mL and alcohol 10% had an optimal anti-aging effect on C.elegans.

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魏焘,曾敏,李珂,等.以秀丽隐杆线虫为模式生物的蓝莓果酒抗氧化及抗衰研究[J].食品与机械,2016,32(5):16-19,33.
WEITao, ZENGMin, LIKe, et al. Study on antioxidant and anti-aging analysis of blueberry wine in C. elegans[J]. Food & Machinery,2016,32(5):16-19,33.

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  • 收稿日期:2015-12-25
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  • 在线发布日期: 2023-03-09
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