期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 133, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.lwt.2020.110038
关键词
French fries; Frying oil; Texture; Color; Microstructure
资金
- National First-Class Discipline Program of Food Science and Technology [JUFSTR20180202]
The quality of French fries is a key factor which affect consumer's willingness to buy it. During this study, the effects of ten commercial edible oils on the content and status of water and oil, color, texture, volumetric shrinkage and microstructure of freshly fried fries were investigated. Fries fried in rice bran oil had higher water content, volumetric shrinkage, hardness, luminosity and yellowness, as well as lower oil content and redness than those fried in other oils. Lower transverse relaxation time was observed in fries fried with high-oleic sunflower oil. Scanning electron microscopy revealed a severely damaged internal structure. Magnetic resonance imaging visualized a thicker crust in freshly fried fries. Sensory results indicated that the fries fried in rice bran oil had a superior mouthfeel and a lower oil content compared to those fried with other oils. This work can provide a useful reference for the consumers to choose appropriate oil when preparing the fries.
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