Rice Krispies Crackle and Pop touting the brand. In 1963, The Rolling Stones recorded a short song for a Rice Krispies television advertisement. Rice Krispies contain rice, sugar, salt, malt flavoring, iron, ascorbic acid (vitamin C), alpha tocopherol acetate (vitamin E), niacinamide, vitamin A palmitate, pyridoxine hydrochloride (vitamin B6), riboflavin (vitamin B2), thiamin hydrochloride (vitamin B1), folic acid, vitamin B12, and vitamin D. According to Kellogg's, the rice used in the US version of the cereal is grown in the states of Louisiana and Arkansas. Kellogg Company was found by the Federal Trade Commission to be making unsubstantiated and misleading health claims
Vitamin C -Galactose reacts with the enzyme -galactose dehydrogenase, whereby the lactone ring opens and forms again but with between the carbonyl on C1 and hydroxyl group on the C4, resulting in -galactonolactone. -Galactonolactone then reacts with the mitochondrial flavoenzyme -galactonolactone dehydrogenase. to produce ascorbic acid. -Ascorbic acid has a negative feedback on -galactose dehydrogenase in spinach. Ascorbic acid efflux by embryo of dicots plants is a well-established mechanism of iron reduction, and a step obligatory for iron uptake. All plants synthesize ascorbic acid. Ascorbic acid functions as a cofactor for enzymes involved in photosynthesis, synthesis of plant hormones, as an antioxidant