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Pulsed electric fields as an alternative to thermal processing for preservation of nutritive and physicochemical properties of beverages: A review
Author(s) -
Gabrić Domagoj,
Barba Francisco,
Roohinejad Shahin,
Gharibzahedi Seyed Mohammad Taghi,
Radojčin Milivoj,
Putnik Predrag,
Bursać Kovačević Danijela
Publication year - 2018
Publication title -
journal of food process engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.507
H-Index - 45
eISSN - 1745-4530
pISSN - 0145-8876
DOI - 10.1111/jfpe.12638
Subject(s) - pasteurization , food science , aroma , flavor , chemistry , food processing , raw material , food technology , food products , organic chemistry
Fruit juices and other beverages constitute an important source of bioactive compounds, but thermal processing may reduce their contents thus decreasing natural nutritive value of foods. This has been recently led to the use of non‐thermal technologies, especially pulsed electric fields (PEF) as an interesting alternative to thermal pasteurization of beverages. Reported results show that PEF is a useful for pasteurization of fruit juices that can minimize changes in physicochemical and nutritional properties with retention of higher amounts of health‐related phytochemicals. This study presents an overview of the effect of PEF on the physicochemical (e.g., Brix, pH, viscosity, acidity, color, aroma, and flavor, etc.) and nutritional (e.g., fatty acids and free amino acids, bioactive compounds, antioxidant capacity, etc.) properties of beverages. Practical applications Pulsed electric fields is suitable technological option for pasteurization, able to preserve valued bioactive compounds in beverages. Over the last decade, PEF has attracted a significant interest from various food industries and found numerous applications. However, chemical profile of food matrices has great influence on PEF, hence success of the treatment has to be evaluated and reported for each particular food. Accordingly, this review made systematic overview of the effects of PEF processing on the physicochemistry and nutrition with focus on beverages manufactured from various raw materials. Provided data can be applied for steering future uses of the PEF in processing, as well as directions of the future research with this useful technology.

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