TITLE:
Correlation between Mineral Intake and Urinary Excretion in Free-Living Japanese Young Women
AUTHORS:
Munehiro Yoshida, Tsutomu Fukuwatari, Junya Sakai, Tomiko Tsuji, Katsumi Shibata
KEYWORDS:
Mineral Intake; Trace Elements; Urinary Excretion; Assessment; Japanese Young Women
JOURNAL NAME:
Food and Nutrition Sciences,
Vol.3 No.1,
January
17,
2012
ABSTRACT: To clarify whether the urinary excretion of calcium, magnesium, phosphorus, iron, zinc, copper, manganese, selenium and molybdenum can be used as an index of their intake, the association between urinary excretion and intake in free-living individuals was examined. A total of 102 healthy free-living female university dietetics students aged 18 - 33 years voluntarily participated in this study, of which 76 students were eligible for this assessment. All food consumed for four consecutive days was recorded accurately by a weighed food record method. A 24-h urine sample was collected on the fourth day, and the urinary levels of sodium, potassium, calcium, magnesium, phosphorus, iron, zinc, copper, manganese, selenium and molybdenum were measured. Significant correlation between urinary excretion and intake was observed in sodium (r = 0.596, p