Exposome-Explorer: show experimental_methods

Kjeldahl method

ID	42
Name	Kjeldahl method
Classification	Other > Alkalimetric titration

Biomarker measurements

Biomarkers
Biospecimens
Cohorts
Publications

Title	First author	Year
Hippuric Acid in 24-hour urine collections is a potential biomarker for fruit and vegetable consumption in healthy children and adolescents	Krupp	2012
Use of biological markers to validate self-reported dietary intake in a random sample of the European Prospective Investigation into Cancer United Kingdom Norfolk cohort	McKeown	2001
Reproducibility and relative validity of an extensive semi-quantitative food frequency questionnaire using dietary records and biochemical markers among Greek schoolteachers	Katsouyanni	1997

Biomarker
Nitrogen

Biospecimen
Urine, 24-h

Cohort
DONALD (Dortmund Nutritional and Anthropometric Longitudinally Designed)
EPIC-Norfolk (European Prospective Investigation into Cancer and Nutrition)
EPIC-Greece (European Prospective Investigation into Cancer and Nutrition)