首页|Novel pumpkin seed oil-based oleogels: development and physical characterization

Novel pumpkin seed oil-based oleogels: development and physical characterization

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The objective of this research was to develop novel oleogels based on pumpkin seed oil and natural waxes. Crystallization and gelation of 4, 5, 6 and 8 % of beeswax and carnauba wax in pumpkin seed oil were investigated, and their physical properties were evaluated using an oleogel prepared with sunflower oil and beeswax as reference. In order to obtain a complete three-dimensional network, after a cooling stage a setting stage was necessary at 25 degrees C for no longer than 60 min. Oleogels produced with pumpkin seed oil and beeswax were weaker than those made with sunflower seeds; pumpkin seed oil-based oleogels structured by carnauba wax presented higher viscoelastic properties, retained more oil and were firmer than oleogels based on beeswax. Based on scaling theory, all the oleogels followed a strong-link regime and the fractal dimension of the network (D) was comparable to fats widely used in food production. Therefore, pumpkin seed oil can be used to create novel oleogels.

Natural waxesCrystallizationGelationFractal dimensionPumpkin seed oil

Borriello, Angela、Masi, Paolo、Cavella, Silvana

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Univ Naples Federico II, Dept Agr Sci, Via Univ 133, I-80055 Portici, Italy

2021

LWT-Food Science & Technology

LWT-Food Science & Technology

ISSN:0023-6438
年,卷(期):2021.152
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