食品与机械2017，Vol.33Issue(11)：41-46,6.
怀山药抗性淀粉理化性质及体外消化性研究
Study on physicochemical properties and digestibility of the resistant starch from Dioscorea opposite Thunb.cv.Huaiqing
摘要
Abstract
The physicochemical characteristics and digestibility of native starch from Dioscorea opposite Thunb.cv.Huaiqing and its resistant starch produced by autoclave process preparation method have been analyzed and compared in the paper.Results showed that the shape of native starch granules from Dioscorea opposite Thunb.cv.Huaiqing was irregular ellipsoid and triangle with a smooth surface.The crystal form of naitive starch was type C.Resistant starch losing particle characteristic exhibited a lamellar structure with loose surface.Both of them were similar in chemical structure without new functional group in resistant starch granules.Compared with the native starch,the molecular weight distribution of resistant starch was more concentrated.The peak temperature of resistant starch gelatini zation was higher than that of naitive starch,and the resistant starch had better thermal stability.The transparency of resistant starch was lower than naitive starch.When bath temperature was lower than 75 ℃,the water-holding capacity of resistant starch was greater than that of naitive starch,and while bath temperature was above the ge latinization temperature of native starch,water-holding capacity of naitive starch,which was much higher than that of resistant starch.The results of simulating human digestion based on In-Vitro mode showed that resistant starch was more resistant to digestion than naitive starch.关键词
怀山药/抗性淀粉/理化性质/消化特性Key words
Dioscorea opposite Thunb.cv.Huaiqing/resistant starch/physicochemical properties/digestibility引用本文复制引用
马丽苹,焦昆鹏,罗磊,向进乐,张晓宇,樊金玲,朱文学..怀山药抗性淀粉理化性质及体外消化性研究[J].食品与机械,2017,33(11):41-46,6.基金项目
河南省高等学校重点科研项目计划(编号:16A550002) （编号:16A550002）
河南科技大学博士启动基金(编号:13480047) （编号:13480047）
