Dietary tin intake and association with canned food consumption in Japanese preschool children

Abstract

Canned foods were the major source of dietary Sn intake for preschool children studied. Thus, median Sn-D was higher for the canned food consumers (10.6 μg/day) than for non-consumers of canned foods (2.5 μg/day). Sn-D by canned food-consuming children was, however, substantially lower than the provisional tolerable weekly intake. No difference was detected in Sn levels in urine between canned food-consuming and non-consuming children.

Nutrient intake by kindergarten children in Beijing and Xian, China in 2004-2005, with special reference to sources of high sodium intake

“…Each guardian prepared a 24-hour food duplicate sample by collecting foods (including water and drinks) at the exact amounts the child was served on the day [8] following the method previously detailed [6,[9][10][11]. Food items in each duplicate sample were separated manually, and weights were recorded.…”

“…Then, the food item was coded after China Food Composition Tables (the second edition) [12] by veteran nutritionists who knew local foods well. The nutrient intake was estimated from the code and weight of each food item followed by summation for intake per day [9][10][11][12][13]. The nutritionists estimated the amounts of unmeasurable food items (such as cooking and table salt) to supplement the food intake records [5][6][7].…”

Food intake survey of kindergarten children in Korea: Part 2 increased dietary intake of tin possibly associated with canned foods

“…Preparation of the wet-ashed samples was as previously described [2,3]. Sn concentrations in the liquid samples were measured by the ICP-MS method essentially as previously described [2,3].…”

“…Sn concentrations in the liquid samples were measured by the ICP-MS method essentially as previously described [2,3]. The samples from KG 1 in Seoul were in the analytical laboratory in Shimadzu Techno-research, Inc., Kyoto, Japan, whereas the samples from KGs 2, 3 and 4 in Jeju Island were analyzed in Kyoto Women's University [3].…”

“…Such possibilities have not been examined in Asia except for Shimbo et al [2,3] in Japan. The present study was initiated to examine if such is also the case in Korea, and if so, to what extent.…”