Sambucus williamsii 和 Sambucus pendula 的体外抗菌和抗氧化活性

Kyoung-sun Seo, K. Yun
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引用次数: 0

摘要

本研究旨在比较 Sambucus williamsii 和 Sambucus pendula 的体外抗菌和抗氧化活性。本研究采用盘扩散和最小抑菌浓度(MIC)法评估了这两种植物对三种革兰氏阳性菌(蜡样芽孢杆菌 ATCC 11778、枯草芽孢杆菌 ATCC 9327 和单核细胞增生李斯特菌 ATCC 15313)的抗菌活性、四种革兰氏阴性菌(大肠杆菌 ATCC 15489、铜绿假单胞菌 ATCC 27853、荧光假单胞菌 KCCM 41443 和鼠伤寒沙门氏菌 KCCM 11862)和一种酵母菌(酿酒酵母 IFO 1950)。经测试,三叶草乙醇提取物的乙醚和乙酸乙酯馏分对蜡样芽孢杆菌和荧光假单胞菌具有显著的抗菌活性;相反,三叶草叶的乙醚馏分对任何受测细菌均未形成明显的抗菌区。一般来说,两种三叶草的馏分对测试的革兰氏阴性菌的 MIC 值低于测试的革兰氏阳性菌。抗氧化活性通过 1,1-二苯基-2-苦基肼(DPPH)和 2,2′-偶氮-双(3-乙基苯并噻唑啉-6-磺酸)(ABTS)自由基清除试验进行评估。结果表明,洋蒲桃乙醇提取物的半数抑制浓度(IC50)值较低,说明其抗氧化活性较强。另一方面,悬铃木热水提取物的 IC50 值较低。这两种三叶草总多酚含量的丰富性意味着它们具有作为制药和化妆品工业原料来源的潜力。
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In vitro antimicrobial and antioxidant activities of Sambucus williamsii and Sambucus pendula
The present study aimed to compare the in vitro antimicrobial and antioxidant activities of Sambucus williamsii and Sambucus pendula. The antimicrobial activity of the two plants was evaluated using the disc diffusion and minimal inhibition concentration (MIC) method against three Gram-positive bacteria (Bacillus cereus ATCC 11778, Bacillus subtilis ATCC 9327 and Listeria monocytogenes ATCC 15313), four Gram-negative bacteria (Escherichia coli ATCC 15489, Psendomonas aeruginosa ATCC 27853, Pseudomonas fluorescens KCCM 41443 and Salmonella typhimurium KCCM 11862) and one yeast (Saccharomyces cerevisiae IFO 1950). The tested ether and ethyl acetate fractions of ethanol extract from Sambucus williamsii showed significant antimicrobial activity against Bacillus cereus and Pseudomonas fluorescens; conversely, the ether fraction of Sambucus pendula leaf showed no clear zone formation against any tested bacteria. In general, the fractions of the two Sambucus species exhibited a lower MIC against tested Gram-negative bacteria than the tested Gram-positive bacteria. The antioxidant activity was evaluated by 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging assay. The results showed that the half inhibitory concentration (IC50) for the ethanol extract of Sambucus williamsii was the lower value, which means the greater antioxidant activity. On the other hand, the IC50 value of the hot water extract of Sambucus pendula was the lower value. The richness of the total polyphenol contents of the two Sambucus implies their potential as raw material sources for the pharmaceutical and cosmeceutical industries.
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来源期刊
International Journal of Secondary Metabolite
International Journal of Secondary Metabolite Biochemistry, Genetics and Molecular Biology-Biotechnology
CiteScore
1.40
自引率
0.00%
发文量
28
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