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用超临界CO2萃取装置，试验了以藏药雪灵芝中萃取总皂苷粗品及多糖的3种萃取工艺。其中，加不同极性夹带剂的梯度超临界CO2萃取与传统溶剂萃取工艺相比，总皂苷粗品和多糖收率可分别提高至18．9倍和1.62倍。
Using supercritical CO2 extraction device, three kinds of extraction techniques for extracting crude saponins and polysaccharides from Ganoderma lucidum were studied. Among them, the gradient supercritical CO2 extraction with different polar entrainers compared with the traditional solvent extraction process, the crude saponin crude and polysaccharide yields can be increased to 18.9 times and 1.62 times.