... as bleaching agent and preservative dried fruits, ect. Sodium hydrosulphiteQuality standardHG/2074-2004, JISK1476-1995, HG/T2682- ... used as reducing agent in chemical industry.6. Sodium hydrosulfite food additive grade is used in foodstuffs, ... , vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms. Product specificationsINDEX90% ...