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首页> 外文期刊>Research Journal of Environmental Toxicology >Bio-safety Quality and Nutritional Status of Pleurotus ostreatus Cultivated on Sawdust of Two Selected Tropical Trees
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Bio-safety Quality and Nutritional Status of Pleurotus ostreatus Cultivated on Sawdust of Two Selected Tropical Trees

机译：在两株精选热带树木的木屑上栽培平菇的生物安全质量和营养状况

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摘要

Pleurotus ostreatus is an edible mushroom rated as the second most important in production in the world after Agaricus bisporus . The local availability of substrates made it an economically viable preposition in the tropics. Sawdust of two selected tropical trees: Hog plum ( Spondias mombin , L; Family: Anacardiaceae) and African nut ( Pycnanthus angolensis , Welw, Warb; Family: Myristicaceae, were used as the sole substrates for the cultivation of the mushroom. The mineral composition and proximate value of the harvested fruiting bodies were determined, also the toxicological effects on experimental animals (albino rats) was studied. Results obtained showed that the mushroom compared favorably with other food items in terms of its protein quality, carbohydrate and calorific values as it ranges from 7.54±0.14-11.74±0.29%, 43.65±0.32-50.67±0.41% and 273.40±0.16-307.54±0.13 kcal g-1, respectively. The toxicological analysis through histopathological assay also revealed that there was no observable damage on the major organs of the experimental animals fed with mushroom composed diet (sample meal) and soybean composed diet (positive control). However, the organs of the experimental animals fed with protein free diet (negative control) were observed to have necrotic lesion and multifocal lymphocytic aggregates on the liver and kidney. Also, a disruption of the villi tips of the intestine was equally observed.
机译：平菇是一种食用菌，被认为是仅次于双歧蘑菇的世界第二重要食用菌。底物的本地供应使其成为热带地区经济上可行的前提。选用了两种热带树木的木屑：猪李子（Spondias mombin，L;家族：Anacardiaceae）和非洲坚果（Pycnanthus angolensis，Welw，Warb;家族：Myristicaceae）作为栽培蘑菇的唯一基质。并测定了收获的子实体的近似值，并研究了其对实验动物（白化病大鼠）的毒理作用，所得结果表明该蘑菇在蛋白质质量，碳水化合物和发热量方面均优于其他食品范围分别为7.54±0.14-11.74±0.29％，43.65±0.32-50.67±0.41％和273.40±0.16-307.54±0.13 kcal g-1，通过组织病理学分析的毒理学分析还表明，对食用蘑菇组成的饮食（样品）和大豆组成的饮食（阳性对照）的实验动物的主要器官，但是饲喂蛋白fr的实验动物的器官ee饮食（阴性对照）被观察到在肝脏和肾脏上有坏死性病变和多灶性淋巴细胞聚集。同样，同样观察到肠绒毛尖端的破坏。

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