ZHANG Xin,SUN Fangdan,SONG Yuyang,et al.Antioxidant and antibacterial activity of hot water extract from Acer tegmentosum Maxim bark[J].Journal of Yanbian University,2020,46(01):61-64.
青楷槭皮热水提取物的抗氧化性和抗菌性研究
- Title:
- Antioxidant and antibacterial activity of hot water extract from Acer tegmentosum Maxim bark
- 文章编号:
- 1004-4353(2020)01-0061-04
- Keywords:
- Acer tegmentosum Maxim bark; hot water extract; antioxidant activity; antibacterial activity
- 分类号:
- TQ28
- 文献标志码:
- A
- 摘要:
- 为研究青楷槭皮热水提取物的抗氧化性和抗菌性,利用1,1-二苯基-2-三硝基苯肼(DPPH)、 2,2’-联氮-双(3-乙基苯并噻唑啉-6-磺酸)二铵盐(ABTS)和铁离子的还原能力评价了青楷槭皮热水提取物的抗氧化性,并选用变形链球菌(3289)、金黄色葡萄球菌(4220)和大肠杆菌(1924)对热水提取物的抗菌性进行了研究.结果表明:青楷槭皮热水提取物具有良好的抗氧化性,且抗氧化性与提取物浓度呈明显量效关系.在测定浓度范围内,青楷槭皮热水提取物对DPPH的清除率可达95.56%,对ABTS的清除率可达94
- Abstract:
- In order to discuss the antioxidant and antibacterial activity of hot water extract from Acer tegmentosum Maxim bark, the 1,1-diphenyl-2-picrylhydrazyl(DPPH), 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)(ABTS), and Ferric-reducing power is used to evaluate the antioxidant activity of hot water extract from Acer tegmentosum Maxim bark, and Streptococcus mutans(3289), Staphylococcus aureus(4220)and Escherichia coli(1924)is used to investigate the antibacterial activity of hot water extract. The results show that the hot water extract exhibit evident antioxidant effect, in addition there was a significant dose effect relationship between antioxidant activity and extract concentration. Within the range of measured concentration, DPPH and ABTS scavenging rate,Ferric-reducing power of hot water extract reach 95.56%, 94.76% and 2.60, respectively. The ethyl acetate and water layer of hot water extract have antibacterial activity only to E.coli(1924), further the minimum inhibitory concentration(MIC)is 128 μg/mL,16 μg/mL, respectively. The above experimental results can provide references for the development and utilization of Acer tegmentosum Maxim resources.
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备注/Memo
收稿日期: 2019-10-15
*通信作者: 金铁岩(1968—),男,博士,副教授,研究方向为食品发酵.