低糖紫薯豆乳冰淇淋工艺配方优化研究

Borui SUN,Yao YAO, Zhangqi HUANG, Changlian WANG,Shirong JIAO

China Dairy Industry(2019)

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Abstract
以大豆粉、紫薯粉、甜菊糖苷为原料,通过复配、优化低糖紫薯豆乳冰淇淋配方,在单因素实验的基础上通过响应面法获取低糖紫薯豆乳冰淇淋最优配方:奶粉:豆粉=3:2,豆奶粉:紫薯粉=1.48:1,甜菊糖苷替代蔗糖比39.65%,水添加量为冰淇淋混粉的1.76倍.低糖紫薯豆乳冰淇淋品质指标:脂肪6.2 g/100g、总糖4.22 g/100 g,能量544 kJ/100 g,远远低于市售的同类产品1000 kJ/100 g.选取大豆粉、紫薯粉、甜菊糖苷为基础原料部分替代传统冰淇淋中的奶粉、色素和蔗糖,通过单因素实验及Box-benhnken响应面法,以感官评分为响应值,得到低糖紫薯豆乳冰淇淋最佳配方.实验结果表明:奶粉:豆粉=3:2,豆奶粉:紫薯粉=1.48:1,甜菊糖苷替代蔗糖比39.65%,水添加量为冰淇淋混粉的1.76倍.利用此配方制做的低糖紫薯豆乳冰淇淋感官评分色泽柔和舒适,甜味适当、香味浓郁、感官评价最佳.且后续理化指标的测定表明,该配方制得的冰淇淋每100 g的含脂肪6.20 g、总糖含量4.22 g,每100 g约544 kJ能量,远远低于市售的同类产品1000 kJ/100 g.
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