喜界島在来カンキツのリモニン配糖体およびリモニン含量

概要

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Concentrations of limonin glucoside and limonin, one of the phytonutrient components of citrus, in juice of local citrus accessions cultivated in Kikai-jima island of Kagoshima prefecture were studied. The quantification of these components was determined by enzyme immunoassay developed by the authors (Matsumoto et al., 2008). Limonin glucoside is the major component in limonins in all accessions used in this study. The concentration of limonin glucoside in juice of Keraji (Citrus keraji hort. ex Tanaka), Kikaimikan (C. keraji hort. ex Tanaka), Kunenbo (C. nobilis Lour.), Shiikuwasha (C. depressa Hayata), Shiiku (C. sp) and Fusuu (C. rokugatsu hort. ex Y. Tanaka) which are the major local citrus in Kikai-jima, were almost at the same level as or lower than that of satsuma mandarin (C. unshiu Marcow.) and ponkan (C. reticulata Blanco), known as the moderate limonin glucoside contents species. On the other hand, the limonin glucoside concentration was high in juice of Kawamine-10, a chance seeding related in C. depressa, at approximately 100 ppm.
2010-03-16