Preparation method for separating polyose from White Hyacinth Bean

The invention relates to a preparation method for separating polyose from White Hyacinth Bean and effectively solves the problem of separating the polyose from the White Hyacinth Bean. The method comprises the steps of: taking and grinding the White Hyacinth Bean, each time adding ethanol with the mass concentration of 30-50 percent and with the bulking value being 6-12 times that of the White Hyacinth Bean, conducting ultrasonic extraction twice or reflux extraction twice, filtering and combining the filtrate, decompressing and concentrating to no alcoholic scent, stirring and dissolving theconcentrated solution after adding distilled water with the weight volume being 10-15 times that of the White Hyacinth Bean, then centrifuging the dissolved solution at 3000 revolutions per minute for10min, collecting effluent liquid after supernatant passing through a macroporous absorbent resin column, washing the resin column with distilled water of which the weight volume is 2-4 times that ofthe White Hyacinth Bean, c