第31卷2023年第4期粮食加工55DOI:10.16210/j.cnki.1007-7561.2023.04.008熊婧,魏嘉怡,杜雅欣,等.不同糖醇对黄心甘薯浓浆品质的影响[J].粮油食品科技,2023,31(4):55-62.XIONGJ,WEIJY,DUYX,etal.Effectofdifferentsugaralcoholsonqualityoforangesweetpotatopuree[J].ScienceandTechnologyofCereals,OilsandFoods,2023,31(4):55-62.不同糖醇对黄心甘薯浓浆品质的影响熊婧1,魏嘉怡1,杜雅欣1,李尚蔚1,肖建辉1,2(1.江西农业大学食品科学与工程学院,江西南昌330045;2.江西省薯芋生物学重点实验室,江西南昌330045)摘要:分别添加不同糖醇(麦芽糖醇、赤藓糖醇、木糖醇、山梨糖醇)制作低糖黄心甘薯浓浆,研究其对黄心甘薯浓浆流变特性、贮藏期色泽、β-胡萝卜素含量及消化特性的影响。结果表明,所有样品均为假塑性流体,经Power-law模型拟合,麦芽糖醇与赤藓糖醇显著降低了薯浆粘度(P<0.05),与空白组相比体系更均匀。经过杀菌与贮藏,糖醇能够有效减少β-胡萝卜素的损失,起到稳定色泽的作用(色差值ΔE<4)。21d贮藏后,麦芽糖醇组中β-胡萝卜素含量为504.66mg/kg,相比空白组,显著提高了35.54%,使抗氧化活性(DPPH·和ABTS+·清除率)也有所提高。经体外消化后,麦芽糖醇与山梨糖醇组中β-胡萝卜素的释放均高于85%。综合考虑,麦芽糖醇为开发低糖黄心甘薯浓浆的最佳选择。关键词:甘薯浓浆;功能性糖醇;流变特性;β-胡萝卜素;贮藏品质中图分类号:TS215;S-3文献标识码:A文章编号:1007-7561(2023)04-0055-08EffectofDifferentSugarAlcoholsonQualityofOrangeSweetPotatoPureeXIONGJing1,WEIJia-yi1,DUYa-xin1,LIShang-wei1,XIAOJian-hui1,2(1.CollegeofFoodScienceandEngineering,JiangxiAgriculturalUniversity,Nanchang,Jiangxi330045,China;2.JiangxiKeyLaboratoryofPotatoBiology,Nanchang,Jiangxi330045,China)Abstract:Inthisstudy,differentsugaralcohols(maltitol,erythritol,xylitol,sorbitol)wereaddedtomakelowsugarorangesweetpotatopuree.Theeffectsofdifferentsugaralcoholsonrheologicalproperties,storagecolor,β-carotenecontentanddigestivepropertiesoforangesweetpotatopureewereinvestigated.Theresultsshowedthatallsampleswerepseudoplasticfluid.AfterPower-lawmodelfitting,maltitolanderythritolsignificantlyreducedtheviscosityofsweetpotatopuree(P<0.05),andthesystemwasmoreuniformthantha...