Research Progress on Methods for the Deacidification of Small Berry Juice: An Overview

As some of the richest sources of natural antioxidants, small berry fruits have attractive colors and special tastes, with recognized benefits for human health. However, sour tastes in small berry juices result in a poor flavor and low acceptance among consumers, greatly limiting their marketability...

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Published in:Molecules (Basel, Switzerland) Switzerland), 2024-10, Vol.29 (19), p.4779
Main Authors: Wang, Fei, Wang, Yao, Shen, Xinting, Zhao, Rui, Li, Zhebin, Wu, Jiawu, Shen, Huifang, Yao, Xinmiao
Format: Article
Language:English
Subjects:
Acids
Analysis
Antioxidants
Antioxidants - analysis
Antioxidants - chemistry
Berries
Deacidification
Fruit - chemistry
Fruit and Vegetable Juices - analysis
Fruit juices
Humans
key technology
Liquor
Malates - analysis
Malates - chemistry
Malic acid
Methods
organic acid
Potassium
Raspberries
Review
small berry
Taste
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Summary:As some of the richest sources of natural antioxidants, small berry fruits have attractive colors and special tastes, with recognized benefits for human health. However, sour tastes in small berry juices result in a poor flavor and low acceptance among consumers, greatly limiting their marketability. Among the most commonly used deacidification methods, chemical deacidification methods can neutralize fruit juice via the addition of a deacidification agent, while physical deacidification methods include freezing deacidification, ion-exchange resin deacidification, electrodialysis deacidification, and chitosan deacidification. All of these methods can markedly improve the pH of fruit juice, but they introduce new substances into the juice that may have an influence on its color, taste, and stability. Biological deacidification can effectively remove malic acid from fruit juice, reducing the content from 15 g/L to 3 g/L; additionally, it maintains the taste and stability of the juice. Therefore, it is widely applied for fruit juice deacidification. On this basis, some compound deacidification technologies have also emerged, but they also present problems such as high costs and complicated working procedures. This review of deacidification methods for small berry juice provides a foundation for the industrial development of such juices.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules29194779