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首页> 外文期刊>Journal of chromatography, A: Including electrophoresis and other separation methods >Evaluating the reliability of specific and global methods to assess the phenolic content of virgin olive oil: Do they drive to equivalent results?
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Evaluating the reliability of specific and global methods to assess the phenolic content of virgin olive oil: Do they drive to equivalent results?

机译:评估特定和全球方法的可靠性,以评估初榨橄榄油的酚醛含量:他们是否开车到等效结果?

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摘要

Despite the huge number of different published methodologies, there is an open debate regarding which one is the most convenient analytical strategy for the determination of phenolic compounds from virgin olive oils. Diverse technical issues together with the disparity of criteria regarding results expression cause a lot of confusion. Herewith, a systematic comparison between specific (a powerful and LC-MS method) and global methodologies (the Folin-Ciocalteau (FC) colorimetric assay, the International Olive Council (IOC) method and hydrolysis plus HPLC-DAD) has been carried out. Thus, these strategies have been applied to the analysis of 50 extra virgin olive oils (covering all the possible quantitative ranges of these substances). This is the first time in which the individual LC-MS quantification of so many phenolic substances is included in this kind of comprehensive comparison. The outcomes of all the strategies have been thoroughly confronted and their equivalence (or divergence) has been carefully evaluated, establishing possible correspondence factors.
机译:尽管有大量的出版方法,但有一个开放的辩论,关于哪一个是最方便的分析策略,用于测定初榨橄榄油的酚类化合物。不同的技术问题以及结果表达的标准的差异导致很多混乱。在此,已经进行了特定(强大和LC-MS方法)和全球方法(Folin-Ciocalteau(FC)比色测定,国际橄榄委员会(IOC)方法和水解加HPLC-DAD之间的系统比较。因此,这些策略已经应用于50种超初榨橄榄油的分析(覆盖这些物质的所有可能的定量范围)。这是第一次在这种全面的比较中包括所以许多酚类物质的单独LC-MS定量。所有策略的结果已经彻底核对,并仔细评估了它们的等价(或分歧),建立了可能的对应因素。

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