Children’s Nutrition Research Center Staff Publications

Language

English

Publication Date

8-1-2021

Journal

Current Developments in Nutrition

DOI

10.1093/cdn/nzab104

PMID

34476333

PMCID

PMC8405124

PubMedCentral® Posted Date

6-29-2021

PubMedCentral® Full Text Version

Post-print

Abstract

Carotenoids are a class of phytochemical compounds found in a variety of fruits and vegetables (F/V) and, therefore, are commonly used as a biomarker for F/V intake. The Veggie Meter® is a noninvasive research-grade instrument that detects and quantifies carotenoids in the skin. To determine current practices and examine variability among users, a survey was administered to researchers using the device (n = 19, response rate = 35.8%) and variation in anatomical site preparation, calibration, number of measurements, measurement site, and documentation was observed. A protocol was developed in partnership with Veggie Meter® users to outline the preparation, calibration, and data collection procedures for using this device for research purposes. Although many protocol conditions will benefit from additional validation, this standardized protocol supports the development of a universal data repository to establish usual observed ranges, with the ultimate goal of examining associations between skin carotenoid scores and diet-related health outcomes.

Keywords

dietary assessment methodology, biomarker of nutritional status, dietary assessment, dietary intake, dietary behaviors, dietary monitoring, reflection spectroscopy, fruit and vegetable intake

Published Open-Access

yes

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