Vitamin C, also known as L-ascorbic acid, is an essential nutrient for humans. Vitamin C is easily soluble in water, slightly soluble in ethanol, but insoluble in ether, chloroform, benzene, petroleum ether, oils, and fats. Now, China is a major producer and exporter. More than 80% of vitamin C in the US market comes from China.
Erythorbic acid is a food antioxidant used predominantly in meats, fish products and frozen products. As an antioxidant structurally related to ascorbic acid, it helps improve flavor stability and prevents the formation of carcinogenic nitrosamines.
3-O-Ethyl ascorbic acid ether (vitamin C ethyl ether) is a substance soluble in oil and water. It can block the formation of melanin by inhibiting the activity of tyrosinase; it has whitening and freckle effect (when 2% is added); It resists inflammation caused by sunlight and has a strong antibacterial and anti-inflammatory effect.
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