Optimization of Vacuum-Microwave Radiation Pretreatment on Extraction of Ganoderma Polysaccharides

Table 5

Comparison of two extraction methods.

Method of extraction	Extraction technology	Extraction yield (%)
Hot-water bath extraction	Solid/liquid rate, 1 : 15; extraction temperature, 80°C; extraction time, 150 min	1.198
VM radiation pretreatment + hot-water bath extraction	After VM pretreatment in optimal technological condition: solid/liquid rate, 1 : 15; extraction temperature, 80°C; extraction time, 70 min.	1.775