不同预处理对家庭制豆浆抗营养因子含量的影响

目的:研究不同预处理对家庭制豆浆中抗营养因子含量的影响。方法:对大豆在室温和冷藏条件浸泡、干炒及发芽2d处理后制成豆浆,以与干豆制浆为对照,比较其单宁、植酸、皂苷和胰蛋白酶抑制剂的保存率。结果:发芽处理豆浆组分的单宁、植酸、皂苷、胰蛋白酶抑制剂的保存率分别为31.83%、27.28%,20.19%、12.89%;室温浸泡处理12h分别为34.56%、43.72%、32.10%和9.91%;干炒处理消除抗营养因子的效率不及发芽和浸泡处理,但与干豆制浆处理差异显著,各抗营养因子的保存率分别为64.05%、54.59%、28.78%、10.88%。结论:与干豆制浆相比,各处理均显著降低了豆浆中抗营养因素的保存率。其中发芽处理对于降低单宁和植酸的效果最显著,12h浸泡处理对降低胰蛋白酶抑制剂最为有效。

Effect of Pre-treatment on Anti-nutritional Factors in Home-made Soybean Milk

Objective: To explore the effect of pre-treatment on anti-nutritional factors in home-made soybean milk.Methods: The retention rates of anti-nutritional factors including tannin,phytic acid,soponins and trypsin inhibitors in soybean milk made from soybeans after soaking,frying and germination treatments at room temperature or chilled condition were determined and also compared with that of soybean milk made from un-processed raw soybeans.Results: The retention rates of tannin and phytic acid,saponin and try...