Aronia anthocyanins are a class of natural pigment flavonoid compounds present in aronia berries, possessing a variety of important characteristics and functions. The following is a detailed introduction:
Composition and Structure
Aronia anthocyanins are mainly composed of anthocyanins such as delphinidin, cyanidin, malvidin, peonidin, and petunidin. These anthocyanins undergo different glycosylation and acylation modifications, forming a variety of anthocyanin compounds with different structures, endowing aronia berries with rich colors and biological activities.
Characteristics
- Color Characteristics: Aronia anthocyanins exhibit different colors in environments with different pH values. They appear red under acidic conditions, purple under neutral conditions, and blue under alkaline conditions. This characteristic enables aronia anthocyanins to be used as natural acid - base indicators. At the same time, it provides a rich color selection for their applications in the food and cosmetics industries.
- Stability: The stability of aronia anthocyanins is affected by various factors, such as temperature, light, and pH value. Generally, aronia anthocyanins have better stability under low - temperature, light - avoiding, and acidic environments, while high temperature, light, and alkaline environments will accelerate their degradation.
Application fields:
Aronia anthocyanins are widely used in the fields of food, health products, cosmetics, and medicine. In the food industry, it can be used as a natural pigment for coloring foods such as beverages, candies, and pastries. Meanwhile, it can endow foods with certain antioxidant and health - promoting functions. In the health - product field, aronia anthocyanins are often made into forms like capsules and tablets for health - care functions such as antioxidation, anti - inflammation, protecting cardiovascular health and eyesight. In the cosmetics industry, aronia anthocyanins can be added to skin - care products, with effects such as antioxidation, skin - whitening, and anti - wrinkle. In the medical field, the antioxidant and anti - inflammatory effects of aronia anthocyanins also provide potential application prospects for the prevention and treatment of various diseases.
Antioxidant effect
Aronia anthocyanins possess a potent antioxidant capacity. They can scavenge free radicals in the body and reduce oxidative damage. Their antioxidant activity mainly stems from multiple phenolic hydroxyl groups in their molecular structure. These phenolic hydroxyl groups can donate hydrogen atoms, bind with free radicals, and thus terminate the free - radical chain reaction.
Anti - inflammatory effect
Aronia anthocyanins can inhibit the release of inflammatory mediators and alleviate the inflammatory response.
Protection of cardiovascular health
Aronia anthocyanins can lower the levels of cholesterol and triglycerides in the blood, inhibit platelet aggregation, and prevent the occurrence of atherosclerosis and cardiovascular diseases. Additionally, they can enhance blood vessel elasticity, improve microcirculation, and reduce the risk of cardiovascular diseases like hypertension.
Protection of eyesight
Aronia anthocyanins can promote the regeneration of rhodopsin in retinal cells, improve visual function, and prevent eye diseases such as myopia, hyperopia, and amblyopia. For people who use electronic devices for extended periods and are prone to eye fatigue, consuming foods rich in aronia anthocyanins or taking related health supplements is beneficial for protecting eyesight.
| Latin name |
Aronia melanocarpa (Michx.) Elliott |
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