The effect of different ripening stages of durian Durio zibethinus fruit on zinc content in liver of rats loaded with cholesterol

The effect of different ripening stages of durian Durio zibethinus fruit on zinc content in liver of rats loaded with cholesterol. Durian Durio zibethinus is an exotic, climacteric fruit, rich in dietary fiber, polyphenols, saccharides, vitamins and minerals. Postharvest changes in durian fruit influence its physical and chemical quality, which determined its health protective effect – antioxidant and hypocholesterolemic. Durian is a good source of zinc. The aim of this study was to investigate the zinc content in lyophilisate of durian fruit and in the diets supplemented with durian fruits at different stages of maturity. The in vivo experiment was designed to determine the influence of these diets on zinc content in the liver of rats loaded with cholesterol. The zinc content in durian fruit, in the diets, and in rats livers was examined using a flame atomic absorption spectrophotometry (Perkin-Elemer 1100B). The zinc content in durian fruits ranged from 8.1 to 12.3 mg/kg. The zinc content amounted 45.0, 44.2, 47.1, 47.3 and 48.0 mg/kg in C, ch, chDM, ch DR and chDOR diet, respectively. The content of zinc in the liver in all animal groups was within the normal limits and amounted from 25.0 to 33.0 mg/kg fresh weight. Diet supplemented with durian fruits at different stages of ripening increases accumulation of zinc in the liver of rats loaded with cholesterol. Durian fruits, especially ripe ones, could be used as a natural supplementation of zinc in the diet and might be helpful in prevention of diseases or disorders related to zinc deficiency. The effect of different ripening stages of durian Durio zibethinus fruit on zinc content in liver of rats loaded with cholesterol IWONA JESION1, MARIA LEONTOWICZ2, HANNA LEONTOWICZ2, MIKOŁAJ A. GRALAK2, HUBERT KMIEC1, SHELA GORINSTEIN3, RATIPORN HARUENKIT4 1 Departament of Biology of Animal Environment, Warsaw University of Life Sciences – SGGW 2 Department of Physiological Sciences, Faculty of Veterinary Medicine, Warsaw University of Life Sciences – SGGW 3 Department of Medicinal Chemistry and Natural Products, The Hebrew University – Hadassah Medical School 4 Faculty of Agricultural Industry, King Mondkut’s Institute of Technology Ladkrabang

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