Article (Scientific journals)
Ultrasound as a Non-thermal Pretreatment to Enhance Moisture Removal and Improve the Quality of French Fries
Jaggan, Mayuri; Sun, Hongnan; Mu, Taihua et al.
2022In Potato Research
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Keywords :
Nutritional and functional composition; Oil uptake; Sensory quality; Ultrasonic pretreatment; Water mobility; Food Science; Agronomy and Crop Science
Abstract :
[en] The impact of ultrasonic pretreatment on water loss, water mobility, microstructure, texture, volatile compounds, nutritional, and functional composition of French fries, and their intrinsic relationship, compared to commonly used blanching pretreatment, was investigated. Application of ultrasonic resulted in enhancement of water loss (27–56%), which also reflected in the NMR results. Ultrasonic (17–20%) and blanching (7–12%) pretreatments decreased the oil content in the French fries compared to untreated samples. Ultrasonic (250 W, 10 min) preserved nutritional and functional composition and antioxidant activity in comparison with blanching treatments while increasing the power (500 W, 10 min) triggered the loss of these nutritional ingredients. The hardness of ultrasonic pretreated French fries increased, probably related to the crispness of French fries. Volatile compounds were enhanced with ultrasonic and both pretreatments showed changes in the microstructure. In conclusion, non-thermal ultrasonic pretreatment can be an alternative to maintain nutritional quality and produce French fries with low oil content and good sensory quality.
Disciplines :
Food science
Author, co-author :
Jaggan, Mayuri;  Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
Sun, Hongnan;  Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
Mu, Taihua ;  Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
Blecker, Christophe ;  Université de Liège - ULiège > TERRA Research Centre > Smart Technologies for Food and Biobased Products (SMARTECH)
Language :
English
Title :
Ultrasound as a Non-thermal Pretreatment to Enhance Moisture Removal and Improve the Quality of French Fries
Publication date :
2022
Journal title :
Potato Research
ISSN :
0014-3065
Publisher :
Springer Science and Business Media B.V.
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
National Key R&D Program of China
Science and Technology Innovation Project of Chinese Academy of Agricultural Sciences
Funding text :
This research was funded by the National Key R&D Program of China (2017YFE0115800) and the Science and Technology Innovation Project of Chinese Academy of Agricultural Sciences (CAAS-ASTIP-202X-IFST).
Available on ORBi :
since 18 October 2022

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