Soy fibre was extruded after pretreatment with alkali or acid.The results showed that eitherconcentration or strength of acid had a benificial effect on soluble dietary fibre (SDF) conversion.

• 研究了酸碱预处理与挤压联合对大豆纤维进行加工的作用，结果表明：酸的浓度和强度以及碱浓度和水的数量对可溶性纤维（SDF）的转化都有利。