Quality of resistant starch-enriched breadcrumbs extrudates

IF 2.2 4区农林科学 Q3 CHEMISTRY, APPLIED

Cereal Chemistry Pub Date : 2024-12-30 DOI:10.1002/cche.10863

Hamit Koksel, Markus Nail Samray, Tugrul M. Masatcioglu, Filiz Koksel

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引用次数: 0

Abstract

Background and Objectives

Although bread waste is often processed into breadcrumbs for use in breading formulations, an alternative method to add value to this by-product is to incorporate it into snack food applications. This study examined the extrusion of breadcrumbs under varying conditions of feed moisture content (13%, 15%, or 17%) and die temperature (120°C or 150°C). To enhance the total dietary fiber (TDF) content of the extrudates, the base breadcrumbs formula was supplemented with resistant starch types 2 and 4 (RS2 and RS4) at different concentrations (15% and 30%). The physical and techno-functional properties of the resulting breadcrumb extrudates (BCEs) were then investigated.

Findings

The TDF content of BCEs generally increased with higher feed moisture contents, but it was not affected by different die temperatures. The highest radial expansion index (6.33) among the RS-supplemented BCEs was achieved with RS2-supplemented BCEs extruded at a die temperature of 120°C and a feed moisture content of 13%. RS4 supplementation also produced BCEs with similar properties under certain extrusion conditions.

Conclusions

There was no significant difference in TDF content between RS2 and RS4-supplemented BCEs at the lowest feed moisture content studied. Overall, RS2 supplementation had a less negative impact on the extrudate expansion index, density, and crispness values compared to RS4 supplementation, indicating the better suitability of RS2 for snack food applications. All BCEs produced had TDF contents higher than 6%, allowing them to carry a “high fiber content” claim according to relevant European Union regulations.

Significance and Novelty

The effects of different types of resistant starch on the physical and techno-functional properties of extruded snacks have not been studied to date. This study addresses this research gap and adds value to a major by-product of the bakery industry, breadcrumbs, by incorporating them into snack food applications.

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来源期刊

Cereal Chemistry 工程技术-食品科技

CiteScore

5.10

自引率

8.30%

发文量

110

审稿时长

3 months

期刊介绍： Cereal Chemistry publishes high-quality papers reporting novel research and significant conceptual advances in genetics, biotechnology, composition, processing, and utilization of cereal grains (barley, maize, millet, oats, rice, rye, sorghum, triticale, and wheat), pulses (beans, lentils, peas, etc.), oilseeds, and specialty crops (amaranth, flax, quinoa, etc.). Papers advancing grain science in relation to health, nutrition, pet and animal food, and safety, along with new methodologies, instrumentation, and analysis relating to these areas are welcome, as are research notes and topical review papers. The journal generally does not accept papers that focus on nongrain ingredients, technology of a commercial or proprietary nature, or that confirm previous research without extending knowledge. Papers that describe product development should include discussion of underlying theoretical principles.