Ascorbic Acid

1. General Information

• Molecular Formula: C₆H₈O₆

• CAS Number: 50-81-7

• EINECS: 200-066-2

2. Appearance

White or slightly yellowish crystalline powder or granules, odorless, with a slightly acidic taste.

3. Key Features

Solubility and Stability

• Solubility: Highly soluble in water and freely soluble in ethanol. It is practically insoluble in ether and chloroform. This high water solubility makes it easy to incorporate into various aqueous-based formulations.

• Stability: Ascorbic acid is relatively unstable and is easily oxidized, especially in the presence of heat, light, and oxygen. However, its stability can be enhanced by factors such as low pH, the presence of certain metal chelators, and antioxidants.

Functionality

• Antioxidant: It is a powerful antioxidant that scavenges free radicals, protecting cells and tissues from oxidative damage. This property is crucial in preventing various diseases and maintaining overall health.

• Immune System Support: Plays a vital role in supporting the immune system by enhancing the function of white blood cells and promoting the production of antibodies.

• Collagen Synthesis: Essential for the synthesis of collagen, a protein that provides structure and strength to connective tissues such as skin, bones, tendons, and blood vessels.

4. Uses

Food Industry

• Preservative: Acts as a natural preservative by preventing the oxidation of fats and oils, thereby extending the shelf life of food products.

• Nutritional Fortification: Added to many food products, such as cereals, juices, and dairy products, to fortify them with vitamin C and enhance their nutritional value.

• Color Stabilizer: Helps to stabilize the color of fruits and vegetables, preventing discoloration during processing and storage.

Pharmaceutical Industry

• Vitamin Supplement: Widely used in vitamin supplements to prevent and treat vitamin C deficiency, which can lead to conditions such as scurvy.

• Therapeutic Agent: Has been studied for its potential therapeutic effects in various diseases, including cardiovascular diseases, cancer, and infectious diseases.

Cosmetics and Personal Care

• Antioxidant in Skincare: Incorporated into skincare products to protect the skin from oxidative stress and premature aging caused by free radicals.

• Brightening Agent: Helps to brighten the skin and reduce the appearance of dark spots and pigmentation.