Antimicrobial and antioxidant activities of the essential oil from onion (Allium cepa L.)

作者: Chun-Lin Ye , De-Hui Dai , Wei-Lian Hu

DOI: 10.1016/J.FOODCONT.2012.07.033

关键词: Essential oilFood scienceAntimicrobialFood spoilageAlliumDPPHButylated hydroxytolueneChemistryAntioxidantABTSBiochemistry

摘要: Abstract The aims of this study were to test the efficacy essential oil Allium cepa against food spoilage and food-borne pathogenic microorganisms its antioxidant activity. revealed an interesting antimicrobial effect tested with MIC MBC values in ranges 0.18–1.80 mg/mL 0.54–3.6 mg/mL, respectively. activities investigated showed moderate ABTS assay (0.67 mg/mL as IC 50 value), DPPH (IC value = 0.63 mg/mL) metal chelating value 0.51 mg/mL). Furthermore, reducing power was dose dependent, capacity inferior butylated hydroxytoluene, which is known be a strong agent. It suggested that from A. cepa may new potential source natural agents applied systems.

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