Spray Drying of Antioxidant Rich Foods

Authored by: Anna Michalska Wrocław , Krzysztof Lech

Handbook on Spray Drying Applications for Food Industries

Print publication date:  July  2019
Online publication date:  July  2019

Print ISBN: 9780815362456
eBook ISBN: 9780429055133
Adobe ISBN:

10.1201/9780429055133-4

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Abstract

Fruits and vegetables are an excellent source of a broad range of compounds with antioxidant properties (Cömert and Gökmen 2018). The intake of fresh fruit and vegetable products is still below the World Health Organization (WHO) recommended levels despite intensively promoted health benefits associated with their consumption (Rekhy and McConchie 2014), even when frozen products are concerned (Storey and Anderson 2018). From the agro-food producers’ point of view, there are important issues that might be connected with the consumption of fruit and vegetable products. Firstly, the limited availability of fruits and vegetables that are year round and, secondly, the overproduction that has also increased recently as a consequence of novel and emerging processing technologies leading to the development of new merchandise including beverages. Taking into account the popularity of non-alcoholic beverages and their relatively short shelf life, conversion into highly shelf-stable products is a practical tool for their broad availability dedicated to an increased consumption of antioxidants present in fruits and vegetables. Among different engineering tools used for fruits and vegetables (in a liquid form) preservation, spray drying (SD) is one of the methods used for prolonging their presence on the market. Due to the powder form such beverages can be transported in a more economical way, can be available through the whole year, and can be distributed all over the world, even to regions where the production of selected fruit and vegetable is not possible. What is more, such powders can be stored for a relatively long time, even for months independent of packing, which prolongs the availability of natural antioxidants in easy-to-handle form.

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