Black goji berry proanthocyanidins are a class of important bioactive substances extracted from black goji berries, belonging to polyphenolic compounds. The following is a detailed introduction to black goji berry proanthocyanidins:
Structure and Composition
Black goji berry proanthocyanidins are polymers formed by the connection of flavan - 3 - ol monomers such as catechin and epicatechin in different quantities through carbon - carbon bonds. According to the degree of polymerization, they can be divided into oligomeric proanthocyanidins and polymeric proanthocyanidins. Oligomeric proanthocyanidins are usually composed of 2 - 4 monomers, having good biological activity and water solubility. Polymeric proanthocyanidins, on the other hand, are polymerized from more monomers and have a relatively large molecular weight.
Characteristics
- Solubility: Black goji berry proanthocyanidins have good water solubility and can form stable solutions in water. This makes their application in fields such as food, health products, and cosmetics more convenient.
- Stability: Their stability is affected by various factors, such as temperature, light, and pH value. Generally, black goji berry proanthocyanidins have better stability under low - temperature, light - avoiding, and acidic conditions. High temperature, long - term exposure to light, and alkaline environments will accelerate their degradation and oxidation.
- Antioxidant Property: Black goji berry proanthocyanidins possess strong antioxidant capacity and are natural free - radical scavengers. They can neutralize free radicals by providing hydrogen atoms, thereby reducing the damage of free radicals to cells and delaying the aging process.
Application Fields
- Food Industry:It can be added to foods as a natural antioxidant to extend the shelf - life of food and prevent food from oxidative deterioration. Meanwhile, it can endow foods with certain health - care functions. For example, when added to products such as fruit juices, beverages, and yogurts, it increases the nutritional value of these products.
- Healthcare Product Industry:It is often made into health products in the forms of capsules, tablets, oral liquids, etc. These health products are used for health - care purposes such as antioxidation, anti - aging, cardiovascular protection, and vision improvement, and have received extensive attention and love from consumers.
- Cosmetics Industry:When added to skin - care products, it has functions such as antioxidation, skin - whitening, and anti - wrinkle. It can delay skin aging, improve skin quality, and make the skin smoother, more delicate, and more elastic.
- Medical Field:Its functions of antioxidation, anti - inflammation, and cardiovascular protection provide potential application prospects for the prevention and treatment of various diseases. Relevant research and development are constantly being carried out in depth.
| Latin name |
Lycium ruthenicum Murr. |
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