Uses In food processing industry, it is used as buffer, chelate agent, nutrient ... drying,%11.0-13.010.0-13.06,Uses In food processing industry, it is used as buffer, chelate agent, nutrient ... . In pharmaceutical industry, it is used as anticoagulant and as preservative in syrup manufactured goods, buffer acidity acid in cold drink ... care, so as to avoid damage to Bags. SODIUM CITRATE FOOD, BP