Effects of three kinds of Eucommia ulmoides Olive raw materials on the cultivation of pleurotus
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摘要: 采用矮林杜仲叶、乔林杜仲叶和乔林杜仲叶渣替代40%棉籽壳栽培平菇,考察其对平菇菌丝生长过程和平菇蛋白质、脂肪以及相关微量元素含量的影响,并采用紫外可见分光光度法测定了各组平菇总黄酮的含量、荧光法测定了各组平菇硒的含量。结果表明,乔林杜仲叶渣组平菇发菌实验结果最好,且蛋白质、脂肪、Cu和Mn含量最高,分别为对照组的1.13、1.73、3.75、2.71倍;乔林杜仲叶组平菇总黄酮、Ca、Na、K和Mg含量最高,分别为对照组的1.49、2.20、7.20、1.08、1.03倍;矮林杜仲叶组平菇Fe、Zn和Se含量最高,分别为对照组的1.72、2.10、2.38倍,且硒的含量为0.07524μg·g-1,达到了富硒标准。Abstract: Leaves of coppice, leaves and leaves residual of high-forest tree of Eucommia ulmoides Olive were used to replace 40% cotton seed hull to cultivate pleurotus, and its effects on the process of mycelial growth and contents of protein, fat, related trace element of pleurotus were studied. Meanwhile, ultraviolet and visible spectrophotometer was used to measure the content of total flavonoid, and fluorescence spectroscopy was used to measure the content of selenium of pleurotus.Results showed that the process of mycelial growth were the best in the group of leaves residual of high-forest tree, and the contents of protein, fat, copper and manganese were the highest, which were 1.13, 1.73, 3.75 and 2.71 times as much as the blank group, respectively.In the group of leaves of high-forest tree, the contents of total flavonoid, calcium, sodium, potassium and magnesium were the highest, which were 1.49, 2.20, 7.20, 1.08 and 1.03 times same with the blank group, respectively. In the group of leaves of coppice, the contents of iron, zinc and selenium were the highest, which were 1.72, 2.10 and 2.38 times the same as the blank group, respectively. In addition, the content of selenium of pleurotus was 0.07524μg.g- 1in the group of leaves of coppice, which reached the standard of selenium enrichment.
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