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《Modern Agricultural Sciences and Technology》 2010-01
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Effect of Zinc Treatment on the Physiological Activity of Laetiporus sulphureum Mycelium

MA Gen-yan LIU Chao-gui PAN Hui SHAO Kun (Laboratory of Edible Fungi,College of Horticulture and Landscape Architecture,Southwest University,Chongqing 400715)  
The effects of different concentrations of zinc treatment on the physiological activity of Laetiporus sulphureum Mycelium were studied.The results showed that before and after zinc adding,the change trend of medium conductivity and pH value was inverse.Low concentration of zinc could promote mycelium growth,while the high concentration of 500mg/L would inhibit.The addition of zinc in the culture medium could increase the zinc content in mycelium significantly.When the concentration of zinc was 400mg/L,the largest zinc content was 88.5μg/g dry mycelium.With the increase of zinc concentration,soluble protein changed as consistent with polysaccharide,while the change of soluble sugar was the opposite.
【Fund】: 西南大学科技创新基金“武陵山区野生食用菌驯化及栽培技术研究”(编号:sz2006005)
【CateGory Index】: S646
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