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首页> 外文会议>International Symposium on Ganoderma Research >Extraction and Comparison of Polysaccharide-peptides of Ganoderma lucidum Cultivated with Grass and Wood Log
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Extraction and Comparison of Polysaccharide-peptides of Ganoderma lucidum Cultivated with Grass and Wood Log

机译：用草和木材栽培的灵芝多糖肽的提取与比较

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This research studied the optimal conditions for extracting polysaccharide-peptides from Ganoderma lucidum, and compared the amounts of polysaccharide- peptide and heavy metals of Ganoderma lucidum cultivated with grass and wood log. The polysaccharide-peptide was obtained by water extraction, ethanol precipitation and reserve dialysis. Heavy metals were examined by atom absorptive spectrum and atom fluorescence spectrum. The optimal condition for extracting polysaccharide- peptide from Ganoderma lucidum fruit body was the ratio of sample to water 1:15, temperature 100°C, time 3 hours. The polysaccharide-peptide content in grass-cultivated Ganoderma is 1 to 3 times higher to that in wood log-cultivated Ganoderma. Heavy metals examination shows that Hg and As in the polysaccharide-peptide meet with the requirement, while Pb content is exceed the food standard.
机译：本研究研究了从灵芝提取多糖肽的最佳条件，并比较了用草和木原木栽培的Ganoderma Lucidum的多糖肽和重金属的量。通过水萃取，乙醇沉淀和储备透析获得多糖肽。通过原子吸收光谱和原子荧光光谱检查重金属。从灵芝果白体中提取多糖肽的最佳条件是样品与水1:15，温度100℃，时间3小时的比例。草地上的多糖 - 肽含量为Ganoderma的含量为1至3倍，在木原木栽培的灵芝中的1至3倍。重金属检查表明，HG和如多糖 - 肽在需求中满足，而PB含量超过食品标准。

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