Thermal analysis and physiological behavior of cellulose/pectin complex from Canna edulis Ker by-product

被引：17

作者：

Zhang, Juan ^{[1
]}

Wang, Zheng-Wu ^{[2
]}

机构：

[1] Shanghai Univ, Sch Life Sci, Shanghai 200444, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Agr & Biol, Dept Food Sci & Technol, Shanghai 200240, Peoples R China

来源：

CARBOHYDRATE POLYMERS | 2012年 / 87卷 / 02期

关键词：

Cellulose/pectin complex; Canna edulis Ker by-product; Thermal analysis; Physiological behavior; LIPASE-CATALYZED HYDROLYSIS; DIETARY FIBER; DIGESTIBILITY; VISCOSITY; NITROGEN; PECTIN; ACID;

D O I：

10.1016/j.carbpol.2011.08.089

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Water-soluble extract (WSE), chelated-soluble extract (CSE) and acid-soluble extract (ASE) were obtained from Canna edulis Ker by-product, and their thermal characteristics and physiological behavior were studied. Thermal properties of WSE and ASE demonstrated the exiting of cellulose, as main constituents in the extracts. Different from those of WSE and ASE, the thermal characteristics of CSE demonstrated that it was chiefly composed of cellulose and pectin. The three extracts inhibited both gastric pepsin and lipase enzymatic activities to some extent, and tryptic digestion of beta-lactoglobulin as well as lipase hydrolysis of tributyrin in vitro. Therefore, the three extracts could be used as additives in the food industry, in view of safety of C. edulis by-product confirmed by animal experiment. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1153 / 1158

页数：6

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