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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Kočí, Jan | Prague |
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| Azam, Siraj |
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| Ali, M. A. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Rimaux, Tom
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Topics
Publications (9/9 displayed)
- 2024Unravelling the hierarchical structure of saturated monoacid triglycerides during crystallization : a comprehensive time-resolved X-ray scattering studycitations
- 2023Effect of temperature during production and storage of monoglyceride oleogels
- 2022Microstructure development in semi-liquid shortenings upon storage
- 2022Microstructure development in semi-liquid shortenings upon storage
- 2020The effect of cooling on crystallization and physico-chemical properties of puff pastry shortening made of palm oil and anhydrous milk fat blendscitations
- 2020Fat crystallization of blends of palm oil and anhydrous milk fat : a comparison between static and dynamic-crystallizationcitations
- 2017Oil structuring properties of monoglycerides and phytosterols mixturescitations
- 2017Sequential crystallization of high and low melting waxes to improve oil structuring in wax-based oleogelscitations
- 2017Sequential crystallization of high and low melting waxes to improve oil structuring in wax-based oleogelscitations
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article
The effect of cooling on crystallization and physico-chemical properties of puff pastry shortening made of palm oil and anhydrous milk fat blends
Abstract
Commercial shortenings and margarines are mainly produced via rapid cooling with scraped surface heat exchangers (SSHE) and therefore, controlling fat crystallization in the cooling process of these systems plays an important role. In this study, four batches of puff pastry shortening were produced from palm oil blends containing 25% and 50% anhydrous milk fat (AMF) using a bench-top SSHE. The outlet temperature of SSHE was investigated at 20 °C and 12 °C relating to the difference of crystallization temperature between palm oil and milk fat. Physico-chemical properties, crystal morphology and fat stability of these shortenings during storage at 5 °C were determined by various classical technologies including differential scanning calorimetry (DSC), polarized light microscopy (PLM), rheological and texture analyzer. Our results showed that fat blends crystallized at 12 °C had a stronger crystal network after production but the discrepancy of hardness diminished after the first storage week at 5 °C. Besides, the change of crystallization temperature did not affect significantly melting behavior as well as fat polymorphism of products. Upon storage, some big aggregates were detected in shortenings as a combined result of the recrystallization of palm fat crystals and the post-crystallization of milk fat triacylglycerols (TAGs).