Fruit juices: chemical compositions and health benefits

Polyphenols are known to have positive effects on health. Consuming fruits rich in polyphenols can reduce the risk of chronic diseases. Drinking fruit juices or other fruit-derived beverages can be an enjoyable way to incorporate fruit’s nutritional benefits and flavor into the diet. However, concerns have been raised that drinking fruit juices and contain too little fiber compared to whole fruit, can lead to weight gain. Despite the differences in chemical composition and health effects, fruit-derived beverages are still a healthy option. This article summarizes the chemical composition and health benefits of commonly consumed fruit juices and beverages made from polyphenol-rich fruits. Based on the reviewed papers, apple, blackberry, cherry, Citrus, cranberry, grape and pomegranate juices have preventive effects on degenerative diseases like cardiovascular and neurological illness and diabetes. Furthermore, some juice has also different favourable effects ie. cranberry juice is important for the prevention of mainly urinary tract infections and Helicobacter infections, Citrus juices have antimicrobial action against a wide range of pathogens. In view of their use as food, increasing studies on fruit drinks are extremely important for health.