Table 1

FFQ estimates and their corresponding biomarkers
FFQ estimates Biomarkers of nutrient status
Food groups Fruits (g/day) β-carotene (mg/L)
Vegetables (g/day) β-carotene (mg/L)
Fruits and vegetables (g/day) β-carotene (mg/L)
Micro-nutrients Vitamin B12 (μg) B12 (pg/ml)
Vitamin B9 (μg) Serum folates (ng/ml)
Vitamin B9 (μg) Erythrocyte folates (ng/ml)
Vitamin D (μg) 25-OH Vitamine D (ng/ml)
Vitamin E (mg) α-tocopherol (mg/L)
Iron (mg) Iron (μmol/L)
Iron (mg) Ferritin (ng/ml)
Iron (mg) Transferrin (g/L)
Iodine (μg) Iode/Creatinine ratio (μg/g)
β-carotene (μg) β-carotene (mg/L)
Sodium (mg) Urine sodium (mmol/L)

Sauvageot et al.

Sauvageot et al. Nutrition Journal 2013 12:143   doi:10.1186/1475-2891-12-143

Open Data