review of nutritional value and putative health-effects of quince (Cydonia oblonga Mill.) fruit

Abstract

Quince (Cydonia oblonga Mill.) has been long regarded to be a health-promoting fruit. Although it is mainlyconsumed in processed form, its relatively heat-stable polyphenolics were confi rmed to be responsible for most of the benefi cialeffects. This review aims to show basic nutritional information on quince fruit such as carbohydrate, fi bre, pectin and mineralelement contents. In addition, vitamin and polyphenolic contents and composition as well as the physiological effects of quinceconsumption were also surveyed. Information on presumable protective effects against several diseases including infl ammation,atopic dermatitis, ulcers and cancer is summarized. Potential antibacterial effects of quince polyphenolics were also considered.Polyphenolics are supposed to be responsible for the major part of benefi cial health-effects, and phenolic compoundspredominantly accumulate in peel. There exists a considerable extent of genetic variation in phytochemical composition amongcultivars, which might be exploited in designing future breeding programs for quince improvement and opening new ways forhealth-related uses

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