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result sql = Considerations to prevent the breakdown and loss of fruit carotenoids during extraction and analysis in Musa.
Considerations to prevent the breakdown and loss of fruit carotenoids during extraction and analysis in Musa.
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result sql = The impact of treatments aimed at improving the robustness of protocols for the analysis of carotenoids in fruit of banana and plantain were examined. Neither the inclusion of polyvinylpolypyrrolidine in the extraction buffer, nor vigorous homogenisation with glass beads influenced recoveries or chromatographic profiles. By contrast, heating lead to losses of up to 53% and to the formation of degradation products that are no longer detectable on our RP-HPLC system. Carotenoid extracts are unstable and most sensitive to exposure to light. However, even in the dark at -20 degrees C and in the presence of antioxidants breakdown rates of around 5% per day were observed.

Publication: J Chromatogr A 2009 Jul 24 ;1216(30)::5759-62. :doi: 10.1016/j.chroma.2009.06.022.
Publication Date: 2009 Jul 24
Study Author(s): Davey, Mark W;Mellidou, Ifigeneia;Keulemans, Wannes;
Institution: Division of Crop Biotechnics, Laboratory for Fruit Breeding and Biotechnology, Katholieke Universiteit Leuven, De Croylaan 42, Heverlee, Leuven, Belgium. [email protected]
Shortcut link to this study:
The impact of treatments aimed at improving the robustness of protocols for the analysis of carotenoids in fruit of banana and plantain were examined. Neither the inclusion of polyvinylpolypyrrolidine in the extraction buffer, nor vigorous homogenisation with glass beads influenced recoveries or chromatographic profiles. By contrast, heating lead to losses of up to 53% and to the formation of degradation products that are no longer detectable on our RP-HPLC system. Carotenoid extracts are unstable and most sensitive to exposure to light. However, even in the dark at -20 degrees C and in the presence of antioxidants breakdown rates of around 5% per day were observed.
PMID: 19541318

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