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    Hypoglycemic activity of a dietary mushroom Pleurotus florida on alloxan induced diabetic rats
    (2013) Khatun, Selima; Islam, Aminul; Güler, Perihan; Çakılcıoğlu, Uğur; Chatterjee, C. Narayan
    Species of Pleurotus possess various medicinal properties including hypoglycemic and hypocholesterolemic activities. The feeding effect of the mushroom Pleurotus florida in powdered form was evaluated on growth, blood glucose and cholesterol level in alloxan-induced diabetic albino rats against control. The starch was estimated in dry mushroom and found to be 0.28% (dry weight). The result indicated no significant difference in respect of gaining body weights between Bengal gram-fed and mushroom-fed groups. For studying antidiabetic effect, the control group and half of alloxan-induced (100 mg/kg i.p) experimental groups were fed on normal diet with Bengal gram whereas the other half of alloxan-induced group was fed on same diet but with additional mushroom powder. Blood samples were analysed for glucose, serum cholesterol, triglycerides and uric acid levels on 7th, 14th, 21st and 28th days of alloxan treatment. Body weights and mortality were noted during the period of study. The diabetic group administered with mushroom diet showed significantly decreased level of blood glucose and cholesterol compared to the counterpart. Estimation of lipid profile revealed much lower LDL cholesterol in mushroom fed diabetic group than in non- mushroom fed diabetic control group. The study, thus, points out the prominent effect of feeding dried mushroom (P. florida) on growth of albino rat and positive effect of P. florida on lowering blood glucose and cholesterol level in diabetic rats thereby suggesting its hypoglycemic and hypocholesterolemic effect.
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    Nutritional qualities and antioxidant activity of three edible oyster mushrooms (Pleurotus spp.)
    (Royal Netherlands Soc Agr Sci, 2015) Khatun, Selima; Islam, Aminul; Cakilcioglu, Ugur; Guler, Perihan; Chatterjee, Narayan Chandra
    Three species of oyster mushrooms (Pleurotus spp.) that are cultivated mostly throughout the year in the plains of India were studied for their nutritional value and their antioxidant properties. Highest protein content was found in Pleurotus florida (22-25% dw) followed by Pleurotus citrinopileatus (20-22% dw) and Pleurotus pulmonarius (15-18% dw). Cholesterol content was in the range of 0.6-0.8% dw, making them low-cholesterol, proteinaceous food. The antioxidant properties of the three species were of both enzymatical and non-enzymatical nature. Reducing power, chelating activity on Fe2+ and total phenol contents were higher in P. florida than in P. pulmonarius and P. citrinopileatus. With regard to antioxidative enzymes, P.florida had the highest peroxidase and superoxide dismutase activity whereas maximum catalase activity was found in P. pulmonarius. P. florida had higher antioxidative activity than P. pulmonarius and P. citrinopileatus thereby highlighting its nutraceutical values along with nutritional qualities. (C) 2012 Royal Netherlands Society for Agricultural Sciences. Published by Elsevier B.V. All rights reserved.