广东省农业科学院机构知识库

Digestive and Physicochemical Properties of Small Granular Starch from Euryale ferox Seeds Growing in Yugan of China

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文献类型：外文期刊

作者： Zhang, Li ¹ ; Chen, Yuqin ² ; Zeng, Jiacheng ² ; Zang, Jianwei ² ; Liang, Qi ² ; Tang, Daobang ³ ; Wang, Zongde ¹ ; Yin, Zhongping ¹ ;

作者机构： 1.Jiangxi Agr Univ, Coll Forestry, East China Woody Fragrance & Flavor Engn Res Ctr, Natl Forestry & Grassland Adm, Nanchang 330045, Jiangxi, Peoples R China

2.Jiangxi Agr Univ, Coll Food Sci & Engn, Jiangxi Key Lab Nat Prod & Funct Food, Nanchang 330045, Jiangxi, Peoples R China

3.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Guangdong Key Lab Agr Prod Proc, Key Lab Funct Foods, Guangzhou 510610, Peoples R China

关键词： Euryale ferox seed; Starch; Physicochemical property; Granular morphology; Digestibility

期刊名称：FOOD BIOPHYSICS （影响因子：3.34；五年影响因子：4.004 ）

ISSN： 1557-1858

年卷期： 2022 年 17 卷 1 期

页码：

收录情况： SCI

摘要： In this study, the morphological, physicochemical and digestibility properties of Yugan Euryale ferox seeds starch (Y-EFS) were comprehensively analyzed. The results showed that Y-EFS contained 45.85% amylose. These starch granules of Y-EFS appeared as irregular polyhedron shape with smooth surface and relatively uniform size around 2.29 mu m. The determined average molecular weight of Y-EFS were 1.85 x 10(5) and 3.00 x 10(3) Da, respectively. X-ray diffraction verified that Y-EFS was a typical A-type starch with 38.84% relative crystallinity, which demonstrated that Y-EFS had a relatively high crystallinity and larger crystallization area. Differential scanning calorimeter analysis showed that Y-EFS had relatively high gelatinization enthalpy (Delta H = 1576.0 J/g) and temperature (To = 84.69 degrees C, Tp = 110.30 degrees C and Tc = 118.10 degrees C). The results of rapid viscometer analyzer demonstrated that pasting temperature of Y-EFS was 82.27 degrees C, and high setback value indicated that Y-EFS was possibly easy to retrograde. Y-EFS gel displayed small adhesiveness and high hardness. In vitro digestion study showed that Y-EFS was indigestible because of its 37.54% slowly digestible starch and 36.46% resistant starch content. Our results suggest that Y-EFS has great application prospect in hypoglycemic functional foods.

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