Exploration of Extraction Technology of Soluble Solid from Grifola frondosa
The extraction technology of soluble solids from Grifola frondosa was studied under the condition of hot water extrac-tion.The effects of the fruit body shape and drying method on the extraction rate of soluble solids from G.frondosa were investi-gated,and then the best hot water extraction process was screened by single factor test and orthogonal test based on extraction temperature,extraction time,solid-liquid ratio and soaking times.The results showed that the higher the opening degree of G.frondosa pileus part,the better the soluble solids dissolving out.The drying methods affecting the extraction rate of soluble solids from G.frondosa were blast drying＞freeze drying＞microwave drying.Through this study,the best hot water extraction process of soluble solids from G.frondosa was as follows,blast drying pretreatment,extraction temperature 70℃,solid-liquid ratio 1∶20,extraction time 2.5 h,natural pH value,soaking once.Under the optimal process,and the extraction rate of soluble solids from G.frondosa reached 54.74%.
万方数据
维普
