中国油脂
中國油脂
중국유지
CHINA OILS AND FATS
2009年
10期
62-65
,共4页
王伊沂%林炜创%盖春慧%钟振声
王伊沂%林煒創%蓋春慧%鐘振聲
왕이기%림위창%개춘혜%종진성
膳食纤维%羧甲基改性%性能
膳食纖維%羧甲基改性%性能
선식섬유%최갑기개성%성능
dietary fibre%carboxy methylation modification%properties
对大豆不溶性膳食纤维(IDF)进行改性,探讨了羧甲基改性方法对IDF持水力等性能的影响,通过正交实验优选出最佳改性条件,即:乙醇体积分数85%,NaOH总用量0.3 g(原料用量1.0 g),碱醚摩尔比2.1∶ 1,反应温度45 ℃,反应时间2.5 h.在此最佳条件下,改性IDF的持水力、膨胀力、持油力和阳离子交换容量比未改性产品分别提高了101.71%、147.00%、14.61%和19.35%.
對大豆不溶性膳食纖維(IDF)進行改性,探討瞭羧甲基改性方法對IDF持水力等性能的影響,通過正交實驗優選齣最佳改性條件,即:乙醇體積分數85%,NaOH總用量0.3 g(原料用量1.0 g),堿醚摩爾比2.1∶ 1,反應溫度45 ℃,反應時間2.5 h.在此最佳條件下,改性IDF的持水力、膨脹力、持油力和暘離子交換容量比未改性產品分彆提高瞭101.71%、147.00%、14.61%和19.35%.
대대두불용성선식섬유(IDF)진행개성,탐토료최갑기개성방법대IDF지수력등성능적영향,통과정교실험우선출최가개성조건,즉:을순체적분수85%,NaOH총용량0.3 g(원료용량1.0 g),감미마이비2.1∶ 1,반응온도45 ℃,반응시간2.5 h.재차최가조건하,개성IDF적지수력、팽창력、지유력화양리자교환용량비미개성산품분별제고료101.71%、147.00%、14.61%화19.35%.
The soybean insoluble dietary fibre(IDF) was modified,and the influence of carboxy methylation modification method on the water-holding capacity and other properties of the soybean IDF was studied.The results showed that the optimal modification conditions were obtained by orthogonal experiments as follows:volume fraction of ethanol 85%,total dosage of NaOH 0.3 g(stock dosage 1.0 g),molar ratio of alkaline to ether 2.1∶1,temperature 45℃,time 2.5 h.The water-holding capacity,swelling capacity,oil-holding capacity and cation exchange capacity of the modified product respectively increased by 101.71%,147.00%,14.61% and 19.35% compare with the raw material.
