The measurement of amylose in glossy ganoderma sporule powder treated with ultrasonic and thawing and freezing test of liquid nitrogen was analysed by the method of phenol-sulfuric acid.

• 利用苯酚-硫酸法对超声波-液氮冻融处理的灵芝孢子粉多糖含量进行了测试,结果表明采用液氮进行淬冷破壁具有效果好,操作简便等特点;