Sodium nitrate/nitrite stabilizes the red color, adds flavor, and it also prevents growth of bacteria on processed meats. a. True b. False Every batch of natural Color additives has to be certified: a. True b. False Cochineal red food colorant, E-120 is obtained from small insects: a. True b. False Usage of synthetic colors has been restricted to a maximum limit of 199-200 ppm: a. True b. False The E-numbers are codes for food additives, usually found on food labels, in European Union, and their values for colors are from 100 to 299:.. a. True b. False Gold, Silver and Lead are now added to some food dishes for decoration and health benefits: a. True b. False Report conversion, selectivity, and productivity is one of the main twelve principles of green chemistry. 7 a. False b. True Narcotics are sleep causing drugs. a. True. b. False. 1/2