【摘要】 探讨了米糠半纤维素和麦麸膳食纤维的提取工艺。结果表明 :( 1 )料液比 1∶1 0 ,6 0℃浸提 3h ,米糠水溶性半纤维素提取率 1 38% ;( 2 )料液比 1∶1 0 ,0 5mol/L的NaOH 2 5℃浸提 3h ,米糠碱溶性半纤维素提取率 8 86 % ;( 3) 0 6 %的NaOH ,α 淀粉酶加入量 0 4% ,70℃浸提 1 5h ,麦麸膳食纤维提取率达 6 6 2 7%。更多还原

【Abstract】 The processing technologies were examined for their efficiency in production of dietary fiber from rice bran and wheat bran.The optimal parameters were as follows:for water hemicellulose of rice bran: rice bran solvent ratio 1∶10,at 60℃ for 3h,extraction rates 1.38%;for alkaline hemicellulose of rice bran: rice bran solvent ratio 1∶10,alkaline concentration 0.5% at 25℃ for 4h,extraction rates 8.86%;for dietary fiber of wheat bran : α amylase addition 0 4%,alkaline concentration 0 6% at 70℃ for 90 min,extraction rates 66 27%.更多还原