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The Beneficial Effects of Anthocyanins from Cornelian Cherry (Cornus mas L.) Fruits and Their Possible Uses: A Review
Anthocyanins are pigments ubiquitous in plants that are responsible for the red to almost black color, mainly of flowers and fruits. Dark-colored fruits contain the highest amounts of anthocyanins. A potential source of anthocyanins can be cornelian cherry fruit (Cornus mas L.) from a long-lived tree growing in temperate climate zones. The aim of this review is to summarize the latest research on cornelian cherry anthocyanins and the possibility of their use in the food, pharmaceutical, and cosmetic industries, without taking into account their use in medicine. The content of anthocyanins in cornelian cherry fruits is high and comparable to fruits considered to be the richest sources of these compounds, so they may be a good source of these natural colorants used in industry. The content of anthocyanins varies due to genetic traits, growing conditions, the ripeness of fruits, and finally, how the fruits are stored and processed. Anthocyanins can be found in various cornelian products, such as juices, jams, powders, and others, so they may be available outside the period of supply of fresh fruit on the market. The lack of experience on the influence of the method of cultivation of cornelian cherries on the anthocyanin content of fruits determines new directions for research.
Health-Promoting Properties of Anthocyanins from Cornelian Cherry (Cornus mas L.) Fruits
The cornelian cherry is a plant that annually provides fruits, drupe-type, ranging in color from yellow through pink, red, carmine, and almost black. Cornelian cherry bears abundant fruit in temperate climate conditions, which means that its dark-colored fruits can be treated as an excellent source of anthocyanins. After consuming, anthocyanins have a protective function in the human body. Raw fruit extracts and their pure isolates, rich in anthocyanins, have a wide spectrum of health-promoting properties. This review focuses on the health-promoting properties of anthocyanins from fruits of cornelian cherry, documented in research conducted in vitro, in vivo, and in humans. The results obtained so far confirm the beneficial effects of anthocyanins on the blood parameters, whose values are important in predicting and assessing the risk and progression of cardiovascular and metabolic diseases. A beneficial effect on molecular and histopathological changes in target organs such as the heart, brain, kidneys, and liver has also been demonstrated. Anthocyanins from cornelian cherry have a strong antioxidant effect, which explains their protective effects on organs and anticancer effects. Moreover, they have antiglycemic, antihyperlipidemic, anti-inflammatory, and antimicrobial properties. The work highlights the perspectives and directions of necessary research.