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Studying the effects of nucleating agents on texture modification of puffed corn-fish snack


Citation

Shahmohammadi, Hamid Reza and Bakar, Jamilah and Abdul Rahman, Russly and Mohd Adzhan, Noranizan (2014) Studying the effects of nucleating agents on texture modification of puffed corn-fish snack. Journal of Food Science, 79 (2). E178-E183. ISSN 0022-1147; ESSN: 1750-3841

Abstract / Synopsis

To improve textural attributes of puffed corn-fish snack, the effects of 1%, 1.5%, and 2% of calcium carbonate, magnesium silicate (talc), sodium bicarbonate as well as 5% and 10% of wheat bran (as the nucleating materials) on textural attributes were studied. Sensory evaluation, bulk density, expansion ratio, maximum force, and count peaks were measured using the Kramer test. The results showed that all of the additives except bran significantly enhanced the texture. Among them, talc at 0.5% was the best to enhance the density and expansion ratio. Effects of using 0.5% talc on puffed corn-fish snack microstructure were studied using scanning electron microscopy. The average cell diameter of 109 ± 48 μm and cell numbers per square centimeter of 67.4 for talc-treated products were obtained, while for nontalc-treated extrudates, average cell diameter of 798 ± 361 μm and cell numbers per square centimeter of 13.9 were found. Incorporation of 0.5% w/w of magnesium silicate reduced (7-fold) the average cell diameter while increased (4-fold) the cell number.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Food Science and Technology
Halal Products Research Institute
DOI Number: https://doi.org/10.1111/1750-3841.12324
Publisher: Wiley-Blackwell
Keywords: Fish; Magnesium sicrostructure; Snack; Scanning electron microscopy
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 11 Jan 2016 12:35
Last Modified: 26 Jan 2016 15:12
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1111/1750-3841.12324
URI: http://psasir.upm.edu.my/id/eprint/35520
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