Effects of grinding time on rheological, textural and physical properties of natural peanut butter stored at different temperatures

The effects of ultrahigh speed grinding process duration of 2–4 min and its storage temperature on rheological, textural and physical properties of natural peanut butter produced from peanuts of Virginia and Spanish varieties were investigated. Both types of peanut butter samples exhibited food susp...

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Main Authors: Mohd Rozalli, Norazatul Hanim, Chin, Nyuk Ling, Yusof, Yus Aniza
Format: Article
Language:English
Published: Wiley-Blackwell Publishing 2016
Subjects:
Online Access:http://psasir.upm.edu.my/id/eprint/54096/1/Effects%20of%20grinding%20time%20on%20rheological.pdf
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author Mohd Rozalli, Norazatul Hanim
Chin, Nyuk Ling
Yusof, Yus Aniza
author_facet Mohd Rozalli, Norazatul Hanim
Chin, Nyuk Ling
Yusof, Yus Aniza
author_sort Mohd Rozalli, Norazatul Hanim
collection UPM
description The effects of ultrahigh speed grinding process duration of 2–4 min and its storage temperature on rheological, textural and physical properties of natural peanut butter produced from peanuts of Virginia and Spanish varieties were investigated. Both types of peanut butter samples exhibited food suspension with multimodal particle size distribution, fitted adequately to the Casson model and demonstrated nonNewtonian shear-thinning behavior with apparent yield stress. The storage (G′) and loss (G′′) modulus decreased as a function of grinding time and temperature. Grinding time and storage temperature gave significant effects on all the responses (P < 0.05) while peanut variety only has impact on the particle size distribution. Identical trends were observed for the natural peanut butter from both Virginia and Spanish peanut varieties.
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spelling upm.eprints-540962018-02-28T04:05:37Z http://psasir.upm.edu.my/id/eprint/54096/ Effects of grinding time on rheological, textural and physical properties of natural peanut butter stored at different temperatures Mohd Rozalli, Norazatul Hanim Chin, Nyuk Ling Yusof, Yus Aniza The effects of ultrahigh speed grinding process duration of 2–4 min and its storage temperature on rheological, textural and physical properties of natural peanut butter produced from peanuts of Virginia and Spanish varieties were investigated. Both types of peanut butter samples exhibited food suspension with multimodal particle size distribution, fitted adequately to the Casson model and demonstrated nonNewtonian shear-thinning behavior with apparent yield stress. The storage (G′) and loss (G′′) modulus decreased as a function of grinding time and temperature. Grinding time and storage temperature gave significant effects on all the responses (P < 0.05) while peanut variety only has impact on the particle size distribution. Identical trends were observed for the natural peanut butter from both Virginia and Spanish peanut varieties. Wiley-Blackwell Publishing 2016-04 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/54096/1/Effects%20of%20grinding%20time%20on%20rheological.pdf Mohd Rozalli, Norazatul Hanim and Chin, Nyuk Ling and Yusof, Yus Aniza (2016) Effects of grinding time on rheological, textural and physical properties of natural peanut butter stored at different temperatures. Journal of Texture Studies, 47 (2). pp. 131-141. ISSN 0022-4901; ESSN: 1745-4603 http://onlinelibrary.wiley.com/doi/10.1111/jtxs.12167/abstract Peanut butter; Particle size distribution; Rheology; Temperature; Texture; Viscoelastic 10.1111/jtxs.12167
spellingShingle Peanut butter; Particle size distribution; Rheology; Temperature; Texture; Viscoelastic
Mohd Rozalli, Norazatul Hanim
Chin, Nyuk Ling
Yusof, Yus Aniza
Effects of grinding time on rheological, textural and physical properties of natural peanut butter stored at different temperatures
title Effects of grinding time on rheological, textural and physical properties of natural peanut butter stored at different temperatures
title_full Effects of grinding time on rheological, textural and physical properties of natural peanut butter stored at different temperatures
title_fullStr Effects of grinding time on rheological, textural and physical properties of natural peanut butter stored at different temperatures
title_full_unstemmed Effects of grinding time on rheological, textural and physical properties of natural peanut butter stored at different temperatures
title_short Effects of grinding time on rheological, textural and physical properties of natural peanut butter stored at different temperatures
title_sort effects of grinding time on rheological textural and physical properties of natural peanut butter stored at different temperatures
topic Peanut butter; Particle size distribution; Rheology; Temperature; Texture; Viscoelastic
url http://psasir.upm.edu.my/id/eprint/54096/1/Effects%20of%20grinding%20time%20on%20rheological.pdf
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