D-sodium erythorbate is also known as red algae sodium gluconate, it is a new type of biological food antioxidant, preservatives and coloring agent. It can prevent the formation of carcinogenic nitrosamines in the salted products and eliminate the discolor, off flavour, turbidity and other undesirable phenomena in the food and beverage.
It can be widely used in preservation and coloring of meat, fish, vegetables, fruit, wine, beverage and canned food. It mainly take rice as the raw material and be obtained by microbial fermentation producing.