S. Shimbo et al., USE OF A FOOD COMPOSITION DATABASE TO ESTIMATE DAILY DIETARY-INTAKE OF NUTRIENT OR TRACE-ELEMENTS IN JAPAN, WITH REFERENCE TO ITS LIMITATION, Food additives and contaminants, 13(7), 1996, pp. 775-786
Daily dietary intake of 28 trace elements (Al, As, B, Ba, Be, Bi, Cd,
Co, Cr, Cu, Ga, Ge, Li, Mg, Mn, Mo, Ni, Pb, Sb, Sc, Se, Si, Sn, Sr, Ti
, Tl, V and Zn) were estimated from the food intake records (collected
by the 24-h total food duplicate method), taking advantage of recentl
y published trace element composition tables for foods in Japan. Becau
se the number of food items listed in the tables was not sufficient, t
he calculation was made with not all foods recorded, and the results s
hould be taken as semiquantitative. The estimated intake was high(i.e.
>1 mg/day as a median) for Al, Cu, Mg, Mn, Si, Sr and Zn, medium (i.e
. 2-985 mu g/day) for As, B, Ba, Be, Cr, Ge, Mo, Ni, Sb, Sc, Se, Sn an
d Ti, and low (i.e. <1 mu g/day) for Cd, Co, Li, Pb and V. Comparison
of the present estimates with the reported values in the literature on
15 elements showed that close agreements were observed in the cases o
f 10 elements (i.e. Al, B, Cr, Cu, Mg, Mn, Mo, Ni, Se and Zn) for whic
h the present estimates are above 1 mu g/day, whereas the discrepancie
s were significant for four elements (i.e. Cd, Co, Pb and V) with <1 m
u g/day intake. When the expected dietary uptake was compared with tha
t by respiration in the cases of the 16 elements for which the atmosph
eric concentration data in Japan are available, the uptake was exclusi
vely attributable to the dietary route for all 16 elements with the po
ssible exception of vanadium.