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Vitamin C, also known as ascorbic acid, is a water-soluble vitamin. It appears as a white crystalline powder and is readily soluble in water. In the food industry, it is primarily used as an antioxidant, nutrient fortifier, and acidity regulator. Vitamin C effectively prevents oxidation and discoloration, protects flavor, and extends shelf life, while also enriching foods with vitamin nutrition. It is widely used in beverages, jams, meat products, baked goods, and infant formula.
Main Characteristics of Vitamin C:
• Strong Antioxidant Activity– Effectively scavenges oxygen free radicals, preventing oxidative spoilage, discoloration, and flavor loss in foods
• Nutrient Fortification– As an essential vitamin, it enriches the vitamin C content in foods to meet daily human requirements
• Color Protection– Inhibits enzymatic browning in fruits and vegetables, preserving natural food colors
• Acidity Regulation– Imparts a mild sour taste to foods, adjusts pH, and enhances preservative efficacy
• Reducing Property– Reduces high-valence metal ions, preventing metal-catalyzed oxidation reactions
• Freshness Preservation– Extends the shelf life of fresh foods such as meat and seafood products
• High Solubility– Easily and rapidly soluble in water, facilitating food processing
• High Safety– Naturally present in various fruits and vegetables; internationally recognized as safe (GRAS)
