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Abstract ▼ AI-Helper

The antioxidant effects of 700 ppm ginseng extract, 100ppm caffeic acid, ferulic acid, vanillic acid, or ${\alpha}-topherol$ on the 1% linoleic acid aqueous buffer system was studied by measuring malondialdehyde (MDA) and headspace oxygen. The compounds showed antioxidant activities in th...

The antioxidant effects of 700 ppm ginseng extract, 100ppm caffeic acid, ferulic acid, vanillic acid, or ${\alpha}-topherol$ on the 1% linoleic acid aqueous buffer system was studied by measuring malondialdehyde (MDA) and headspace oxygen. The compounds showed antioxidant activities in the following order: $caffeic\;acid{\geq}ferulic\;acid\;>\;{\alpha}-tocopherol$>ginseng extract>vanillic acid, with the oxidation inhibition ratio of 63.5, 62.9, 52.3, 51.2 and 5.6% of the control according to MDA results. The mixture of 100 ppm caffeic acid, 100 ppm ${\alpha}-tocopherol$ and 700 ppm ginseng extract had a high oxidation inhibition ratio of 91.2%. Headspace oxygen results had a similar trend with the MDA results. Headspace oxygen results showed that the antioxidant activities were in order of ferulic acid>caffeic acid>${\alpha}-tocopherol$>ginseng extract>vanillic acid and headspace oxygen contents were 18.56, 17.78, 17.17, 16.65 and 15.95%, respectively.

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