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      Determination of Biophenols in Olive Oil

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      ScienceOpen Posters
      ScienceOpen
      248th ACS National Meeting
      Biophenols, Olive oil, Standard
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            Abstract

            Vegetable oils contain various antioxidants, including vitamin E and unsaturated fatty acids. Some of these oils, especially olive oil, contain another group of antioxidant – phenolic compounds. The health benefits from the phenolics have recently been published with the rising recommendation of communicating these effects on food labels. As an official testing method is unavailable from AOCS and AOAC, we developed an HPLC method based on the biophenol method of the International Olive Council. Many analytical standards are commercially unavailable for biophenols, and neither retention time nor capacity factor can be used in chromatograms for biophenol identification. Therefore we identified a set of available standards with different retention times to spread across the chromatogram in addition to an internal standard. The biophenol profile can thus be established referring to these standards. More than 20 biophenols were included in this method. Different brands of olive oil and several types of vegetable oils were sampled and tested. Extra virgin olive oil was found to have the highest content while fewer biophenols were found in processed olive oil and other vegetable oils. As for the other vegetable oils different biophenol profiles were also observed. This method has great potential in olive oil authenticity testing, and in quality control to differentiate substandard olive oils.

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            Author and article information

            Conference
            ScienceOpen Posters
            ScienceOpen
            September 29 2014
            Article
            10.14293/P2199-8442.1.SOP-CHEM.PJCXGW.v1
            d540212c-f13a-478e-9d52-25f915b6a304

            This work has been published open access under Creative Commons Attribution License CC BY 4.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com .

            248th ACS National Meeting
            History

            Analytical chemistry
            Biophenols,Olive oil,Standard

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