Phytochemicals and Antioxidant Activity of Fruits and Leaves of Paprika (Capsicum Annuum L., var. Special) Cultivated in Korea

Ji Sun Kim, Jiyun Ahn, Sung Joon Lee, Bo Kyung Moon, Tae Youl Ha, Suna Kim

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    79 Citations (Scopus)

    Abstract

    The phytochemical composition of carotenoids, tocopherols, free sugars, organic acids, L-ascorbic acid, capsaicinoids, and flavonoids in green and red paprika (GP and RP), and paprika leaves (PL) cultivated in Korea were analyzed. The ethanolic extracts of GP, RP, and PL were obtained with 80% ethanol, and their antioxidative activities were determined by measuring their ABTS and DPPH radical scavenging activities. RP showed the highest contents of capsanthin (58.33 ± 3.91 mg/100 g dry weight) and L-ascorbic acid (1987.25 ± 19.64 mg/100 g dry weight), and main compounds of PL were lutein, chlorophyll, and γ-tocopherol (96.91 ± 14.58, 2136.71 ± 21.11, and 723.49 ± 54.10 mg/100 g dry weight, respectively). RP showed the strongest antioxidant activity (IC50= 55.23 ± 6.77 μg/mL in a 2, 2'-azino-di-[3-ethylbenzthiazoline sulphonate] assay and 150.40 ± 8.07 μg/mL in a 2, 2-diphenyl-2-picrylhydrazyl assay), and the antioxidant activity of PL was higher than β-carotene but lower than RP. The results indicate that the amounts of capsanthin and L-ascorbic acid in RP correlate well with antioxidant activity. PL, which has various phytochemicals such as lutein, chlorophyll, and γ-tocopherol, might be used in nutraceuticals and pharmaceuticals for improving human health.

    Original languageEnglish
    Pages (from-to)C193-C198
    JournalJournal of Food Science
    Volume76
    Issue number2
    DOIs
    Publication statusPublished - 2011 Mar

    Keywords

    • Antioxidant activity
    • Lutein
    • Paprika fruits
    • Paprika leaves
    • γ-tocopherol

    ASJC Scopus subject areas

    • Food Science

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