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KMID : 1007520000090050288
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Food Science and Biotechnology
2000 Volume.9 No. 5 p.288 ~ p.291
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Determination of β-cryptoxanthin in Peel and Flesh of Citrus Fruits Produced in Cheju Island
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Lee, Nam Ho
Lee, Sam Pin/Kim, Chan Shick/Moon, Doo Khil/Ko, Kyong Cheol
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Abstract
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To determine β-cryptoxanthin content of citrus fruits produced in Cheju island, the peel and flesh of matured citrus fruits were used for the extraction of carotenoid. The crude extract was prepared and the target component was confirmed by TLC analysis. Content of β-cryptoxanthin, determined by high performance liquid chromatography, in peel and flesh of Citrus unshiu Marc. cv. Miyagawa was dominantly higher than those of the native citrus fruits, Citrus platymamma Hort. ex. Tanaka and Citrus eythrosa Hort. ex. Tanaka. Contents of β-cryptoxanthin in the fresh peel of Citrus unshiu Marc. cv. Miyagawa, Citrus platymamma Hort. ex. Tanaka and Citrus eythrosa Hort. ex. Tanaka were found to be 5.26, 1.66 and 0.88 ㎎%, respectively. On the other hand, β-cryptoxanthin contents in the flesh of Citrus unshiu Mare. cv. Miyagawa, Cirtus platymamma Hort. ex. Tanaka, and Citrus eythrosa Hort. ex. Tanaka were 0.78, 0.32 and 0.45 ㎎%, respectively.
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