Calcium: Unusual Sources in the Highland Peruvian Diet

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Science  13 Dec 1963:
Vol. 142, Issue 3598, pp. 1466-1467
DOI: 10.1126/science.142.3598.1466


A dietary survey conducted in the southern highlands of Peru revealed two important sources of dietary calcium not previously reported. Mineral and ash calcium ingested as a food spice, and along with coca, raises the calcium intake from the low figures recorded by standard nutritional surveys to a more substantial level.