An in vitro study demonstrated that insoluble dietary fibres from soy fi-bre, barley fibre, lentinus edodes stipe and maize fibre, before and after extrusion, bymeans of gel penetration and dialysis,all had the ability to retard the glucose.

• 用凝胶过滤和透析方法所进行的体外试验表明了，从挤压前后的大豆渣、大麦渣、香菇柄和玉米渣中提取的水不溶性纤维均具有对葡萄糖溶液的扩散抑制作用。