The effect of monoglyceride addition on the rheological properties of pistachio spread

Pistachio nut (Pistacia vera L.) is one of the most delicious and nutritious nuts in the world. In this study, monoglycerides (0.0–1.5 %) as lipophilic emulsifiers were used to prevent oil separation in pistachio spread A (containing 50.0 % pistachio paste, 30.0 % icing sugar and 20.0 % red palm oil...

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Main Authors: Shakerardekani, Ahmad, Karim, Roselina, Mohd Ghazali, Hasanah, Chin, Nyuk Ling
Format: Article
Language:English
Published: Springer 2013
Online Access:http://psasir.upm.edu.my/id/eprint/28763/
http://psasir.upm.edu.my/id/eprint/28763/1/The%20effect%20of%20monoglyceride%20addition%20on%20the%20rheological%20properties%20of%20pistachio%20spread.pdf
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author Shakerardekani, Ahmad
Karim, Roselina
Mohd Ghazali, Hasanah
Chin, Nyuk Ling
author_facet Shakerardekani, Ahmad
Karim, Roselina
Mohd Ghazali, Hasanah
Chin, Nyuk Ling
author_sort Shakerardekani, Ahmad
building UPM Institutional Repository
collection Online Access
description Pistachio nut (Pistacia vera L.) is one of the most delicious and nutritious nuts in the world. In this study, monoglycerides (0.0–1.5 %) as lipophilic emulsifiers were used to prevent oil separation in pistachio spread A (containing 50.0 % pistachio paste, 30.0 % icing sugar and 20.0 % red palm oil) and B (containing 58.3 % pistachio paste, 25.0 % icing sugar and 16.7 % red palm oil). Changes in rheological behavior of pistachio spreads were investigated. The highest work of shear (which indicates spreadability) was observed in Formulations A and B containing 1.5 % monoglycerides. Addition of emulsifier significantly (P < 0.05) influenced the consistency index (K), thixotropic area (A), yield stress (τ 0) and coefficient correlation (R) of pistachio spreads. All the pistachio spreads that contained emulsifier exhibited a higher storage modulus (G′) than the loss modulus (G″).
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spelling upm-287632016-01-28T04:46:52Z http://psasir.upm.edu.my/id/eprint/28763/ The effect of monoglyceride addition on the rheological properties of pistachio spread Shakerardekani, Ahmad Karim, Roselina Mohd Ghazali, Hasanah Chin, Nyuk Ling Pistachio nut (Pistacia vera L.) is one of the most delicious and nutritious nuts in the world. In this study, monoglycerides (0.0–1.5 %) as lipophilic emulsifiers were used to prevent oil separation in pistachio spread A (containing 50.0 % pistachio paste, 30.0 % icing sugar and 20.0 % red palm oil) and B (containing 58.3 % pistachio paste, 25.0 % icing sugar and 16.7 % red palm oil). Changes in rheological behavior of pistachio spreads were investigated. The highest work of shear (which indicates spreadability) was observed in Formulations A and B containing 1.5 % monoglycerides. Addition of emulsifier significantly (P < 0.05) influenced the consistency index (K), thixotropic area (A), yield stress (τ 0) and coefficient correlation (R) of pistachio spreads. All the pistachio spreads that contained emulsifier exhibited a higher storage modulus (G′) than the loss modulus (G″). Springer 2013-10 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/28763/1/The%20effect%20of%20monoglyceride%20addition%20on%20the%20rheological%20properties%20of%20pistachio%20spread.pdf Shakerardekani, Ahmad and Karim, Roselina and Mohd Ghazali, Hasanah and Chin, Nyuk Ling (2013) The effect of monoglyceride addition on the rheological properties of pistachio spread. Journal of the American Oil Chemists' Society, 90 (10). pp. 1517-1521. ISSN 0003-021X; ESSN: 1558-9331 10.1007/s11746-013-2299-8
spellingShingle Shakerardekani, Ahmad
Karim, Roselina
Mohd Ghazali, Hasanah
Chin, Nyuk Ling
The effect of monoglyceride addition on the rheological properties of pistachio spread
title The effect of monoglyceride addition on the rheological properties of pistachio spread
title_full The effect of monoglyceride addition on the rheological properties of pistachio spread
title_fullStr The effect of monoglyceride addition on the rheological properties of pistachio spread
title_full_unstemmed The effect of monoglyceride addition on the rheological properties of pistachio spread
title_short The effect of monoglyceride addition on the rheological properties of pistachio spread
title_sort effect of monoglyceride addition on the rheological properties of pistachio spread
url http://psasir.upm.edu.my/id/eprint/28763/
http://psasir.upm.edu.my/id/eprint/28763/
http://psasir.upm.edu.my/id/eprint/28763/1/The%20effect%20of%20monoglyceride%20addition%20on%20the%20rheological%20properties%20of%20pistachio%20spread.pdf