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通过响应面分析（ＲＳＡ）法，优化了灵芝菌丝体胞内多糖的热浸提条件，提取温度为９５℃，时间为３．５ ｈ，湿菌体与水的量比值为１∶２．５，此时胞内多糖提取率达到最大值，为１０．５ｇ／ｋｇ．
The optimal extraction conditions of Ganoderma lucidum mycelium polysaccharide were optimized by response surface methodology (RSA). The extraction temperature was 95 ℃, the time was 3.5 h, and the ratio of wet cells to water was 1: 2. 5, when the intracellular polysaccharide extraction rate reached the maximum, 10.5g / kg.