Copper and zinc in selected breakfast cereals.

摘要: Copper and zinc content of 23 breakfast cereals ranged from 0.5-11.3 1.7-152 micrograms/g, respectively, as measured by atomic absorption spectrometry. Amounts copper were proportional to crude fiber the product. Breakfast cereal products appear provide a large part RDA for these minerals more than is likely be absorbed during digestion.