J Nutr 2021 Sep 25. Epub 2021 Sep 25.
Division of Epidemiology and Community Health, University of Minnesota, 1300 South Second Street, Suite 300, Minneapolis, MN 55454.
Background: Valid biomarkers of fruit and vegetable (FV) intake are needed for field-based nutrition research.
Objective: To examine criterion-related validity of pressure-mediated reflection spectroscopy as a proxy measure of FV intake, using plasma carotenoids and self-reported FV and carotenoid intake as primary and secondary criterion measures, respectively.
Methods: Healthy adults 18-65 years of age, self-identifying as African American/ black (n = 61), Asian (n = 53), white (n = 70), or Hispanic (n = 29) in North Carolina and Minnesota were recruited. Read More