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首页> 外文期刊>African Journal of Biotechnology >Antimicrobial activities of grape (Vitis vinifera L.) pomace polyphenols as a source of naturally occurring bioactive components
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Antimicrobial activities of grape (Vitis vinifera L.) pomace polyphenols as a source of naturally occurring bioactive components

机译：葡萄（Vitis vinifera L.）果渣多酚作为天然生物活性成分来源的抗菌活性

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摘要

Grape pomace is a potential source of winery by-products having useful bioactive components. Antimicrobial activities of enzyme-assisted grape pomace polyphenols (GPP) were assessed against Escherichia coli IFO 3301 and Staphylococcus aureus IFO 12732 using plate count and spectrophotometry assays. GPP have shown credential growth inhibition against E. coli and S. aureus, respectively. The higher growth inhibition was mediated by the higher GPP concentrations against both E. coli and S. aureus, which implies dose dependency. GPP also exhibited bactericidal effects against both the Gram-positive and Gram-negative bacteria, whereas, Gram-positive bacteria have shown more susceptibility than Gram-negative bacteria. It is revealed that GPP is a potential source of natural antimicrobial agents.
机译：葡萄渣是具有有用生物活性成分的酒厂副产品的潜在来源。使用板计数和分光光度法评估了酶辅助葡萄果渣多酚（GPP）对大肠杆菌IFO 3301和金黄色葡萄球菌IFO 12732的抗菌活性。 GPP已显示出分别针对大肠杆菌和金黄色葡萄球菌的凭证生长抑制。较高的GPP浓度对大肠杆菌和金黄色葡萄球菌都有较高的抑制作用，这意味着剂量依赖性。 GPP还表现出对革兰氏阳性和革兰氏阴性细菌的杀菌作用，而革兰氏阳性细菌比革兰氏阴性细菌显示出更高的敏感性。揭示GPP是天然抗菌剂的潜在来源。

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