Physicochemical assessment of two fruit by-products as functional ingredients: Apple and orange pomace

被引：103

作者：

O'Shea, N. ^{[1
,2
]}

Ktenioudaki, A. ^{[1
]}

Smyth, T. P. ^{[1
]}

McLoughlin, P. ^{[1
]}

Doran, L. ^{[3
]}

Auty, M. A. E. ^{[3
]}

Arendt, E. ^{[2
]}

Gallagher, E. ^{[1
]}

机构：

[1] TEAGASC, Food Res Ctr, Food Chem & Technol Dept, Dublin 15, Ireland

[2] Natl Univ Ireland Univ Coll Cork, Dept Food & Nutr Sci, Cork, Ireland

[3] TEAGASC, Moorepark Food Res Ctr, Natl Food Imaging Ctr, Fermoy, Co Cork, Ireland

来源：

JOURNAL OF FOOD ENGINEERING | 2015年 / 153卷

关键词：

By-products; High-Field NMR; Microstructure; Pectin; BREWERS SPENT GRAIN; DIETARY FIBER; CHEMICAL-COMPOSITION; PEEL;

D O I：

10.1016/j.jfoodeng.2014.12.014

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The purpose of this study was to evaluate the properties of two fruit by-products (apple pomace from the Cv. "Karmijn de Sonnaville" and orange pomace from the Cv. "Valencia") as potential ingredients. The analysis comprised: microstructure, composition, physicochemical properties, pectin quantity and gelling properties of the two materials. Studying both orange pomace and apple pomace highlighted the different aspects of the two materials orange pomace was mainly fibrous ingredient with applications suited to products requiring improved water/oil holding and binding properties ie. a high water hydration capacity (4.40 ml/g). It had a favourable nutritional composition: high dietary fibre (40.47%), low fat (2.14%) and a high mineral content. In comparison, apple pomace showed visco-elastic properties that could enhance structures within products. Oscillatory rheology illustrated pastes from apple pomace had a high storage modulus (G'). Due to its pectin and starch content, apple pomace flour formed viscous pastes and visco-elastic structures. This study illustrates the importance of comprehending individual components (physicochemical and nutritional) of ingredients to fully utilise their activity in a food system. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：89 / 95

页数：7

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