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Effect of Carya cathayensis SargShell Substrate on Yield and Nutrient Amount of Pleurotus geesteranus

Journal of Geoscience and Environment Protection 2019年第11期7卷 11-23页

作者： Jinping Zhang Xuebin Li Yue Ying Xiaohua Yao Research Institute of Subtropical Forestry Chinese Academy of Forestry Hangzhou China

Using cottonseed hull as the control substrate, different proportions of the untreated and treated Carya cathayensis Sarg shells were added to cultivation of Pleurotus geesteranus. The mycelial growth rate, yield, nutritional composition and contents of heavy metals of the Pleurotus geesteranus cultivated on these substrates were determined. The results suggest that added to treated Carya cathayensis Sarg shell promoted the mycelial growth and increased the yield, biological efficiency and the contents of crude fiber, ash, amino acids and essential amino acids of Pleurotus geesteranus. In addition, the fat content and soluble sugar contents of Pleurotus geesteranus were decreased with the increase of the Carya cathayensis Sarg shell content in substrate, but their contents of heavy metals including mercury (Hg), arsenic (As), cadmium (Cd) and lead (Pb) were higher than that obtained on control substrate.

关键词： Carya cathayensis sarg Shell Pleurotus geesteranus Mycelial Growth Rate Yield Nutrients

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Effects of the Castanea mollissima BlumeShell Cultivation Substrate on the Yield and Nutritional Composition of Pleurotus geesteranus

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Food and Nutrition Sciences 2019年第9期10卷 1112-1121页

作者： Jinping Zhang Xuebin Li Yue Ying Xiaohua Yao Research Institute of Subtropical Forestry Chinese Academy of Forestry Hangzhou China

Cottonseed hull substrates blended with different ratios of Castanea mollissima Blume shell were prepared and used for the cultivation of Pleurotus geesteranus. The effects of the chestnut shell content on the mycelial growth rate, yield, nutritional composition and contents of heavy metals of the cultivated Pleurotus geesteranus were investigated. The results suggest that the Castanea mollissima Blume shell in substrate can increase the mycelial growth rate, yield, biological efficiency and the contents of protein, crude fiber, amino acids and essential amino acids of Pleurotus geesteranus. Further investigation suggests that the tannin and saponin in Castanea mollissima Blume shell and the C/N ratio of substrate significantly influence the mycelial growth rate. The crude fat content of Pleurotus geesteranus decreased, while the contents of heavy metals including mercury (Hg), arsenic (As), cadmium (Cd) and lead (Pb) increased with the increase of the Castanea mollissima Blume shell content in substrate. Based on these results, the content of Castanea mollissima Blume shell was optimized to be less than 30% for the cultivation of Pleurotus geesteranus.

关键词： Castanea mollissima Blume Shell Pleurotus geesteranus Yield Nutrients Heavy Metals

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Effects of the Camellia oleifera Shell Substrate on the Yield and Nutritional Composition of Pleurotus geesteranus

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Agricultural Sciences 2019年第10期10卷 1298-1311页

作者： Jinping Zhang Xuebin Li Yue Ying Xiaohua Yao Research Institute of Subtropical Forestry Chinese Academy of Forestry Hangzhou China

Pleurotus geesteranus was cultivated on the substrates blended with different ratios of treated and untreated Camellia oleifera shells using cottonseed hull as the control substrate. The mycelial growth rate, yield, nutritional composition, ash and heavy metals of the Pleurotus geesteranus cultivated on these substrates were compared. The results suggest that the Camellia oleifera shell in substrate can accelerate the mycelial growth and increase the yield, nutrients and the contents of protein, ash, crude fiber and amino acid of Pleurotus geesteranus. It was found that the contents of tannin and saponin in Camellia oleifera shell affected the mycelial growth rate. The optimal C/N of the substrate for the growth of Pleurotus geesteranus was determined to be 27 ± 0.7. The C/N ratios higher than 30 reduced the protein, fat and soluble sugar contents of the cultivated Pleurotus geesteranus. The contents of heavy metals including Hg, As, Cd and Pb were found in Pleurotus geesteranus cultivated on the substrates containing Camellia oleifera shell complex.

关键词： Camellia oleifera Shell Pleurotus geesteranus Saponin Nutrient Yield

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