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Study on the Anti- oxidation and Bacteriostasis of Origanum vulgare L Essential Oil
Author(s): 
Pages: 51-53
Year: Issue:  10
Journal: FOOD AND FERMENTATION INDUSTRIES

Keyword:  牛至精油抑菌抗氧化天然防腐剂;
Abstract: 利用超临界CO2萃取法从牛至中提取精油,研究测定了牛至精油对各种供试菌种的抑菌圈直径,加热处理及pH值对牛至精油抑菌效果的影响,同时研究了牛至精油的抗氧化效果.结果表明,牛至精油对各供试菌种的抑菌圈直径在14.7~25.3 mm之间,表明牛至精油对G+和G-细菌、霉菌和酵母菌均有很强的抑制作用;牛至精油的抑菌效果随pH值的降低而增强;121℃,15min加热处理对牛至精油的抑菌效果无明显影响;牛至精油还具有一定的抗氧化性能.
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