Conversion of β-citraurin to reticulataxanthin and β-apo-8′-carotenal to citranaxanthin during the isolation of carotenoids from Citrus☆

Add time:08/16/2019    Source:sciencedirect.com

Reticulataxanthin and citranaxanthin were found to be artifacts formed from β-citraurin and β-apo-8′-carotenal during the saponification of citrus carotenoids in the presence of small amounts of acetone. The reaction takes place at room temperature under normal conditions of extraction. Based on these studies it was concluded that β-citraurin rather than reticulataxanthin is the main pigment contributing to the external reddish color of a number of citrus cultivars.

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