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  • Title: Classification of edible chrysanthemums based on phenolic profiles and mechanisms underlying the protective effects of characteristic phenolics on oxidatively damaged erythrocyte.
    Author: Peng A, Lin L, Zhao M, Sun B.
    Journal: Food Res Int; 2019 Sep; 123():64-74. PubMed ID: 31285013.
    Abstract:
    In this study, phenolic profiles of chrysanthemums derived from five main species were determined for characterization of rationality of their application in tea, beverages and functional foods. A total of 41 phenolics including 3 phenolic acids, 17 flavones, 9 flavanones, 1 dihydroflavonol, 4 flavonols, 4 chalcones and 3 aurones were identified. The contents of 22 characteristic phenolics were simultaneously determined. Chrysanthemum morifolium cv. 'Qiju' (with abundant phenolics) and Coreopsis tinctoria Nutt. (with unique and abundant flavonoid aglycones and glycosides), exhibited excellent cellular antioxidant activities and strong market potentials. Chlorogenic acid, 3,5-dicaffeoylquinic acid and luteolin-7-O-glucoside largely contributing to cellular antioxidant activity of 'Qiju' by forming protective membrane around erythrocyte should be markers for quality control of 'Qiju'. Okanin, the gut microbial-produced metabolite of marein, possessed strong protective effect on oxidatively damaged erythrocyte via incorporating in membrane and entering cytoplasm. Okanin and marein should be markers for quality control of C. tinctoria.
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