Beccarelli Lori M, Scherr Rachel E, Dharmar Madan, Ermakov Igor V, Gellermann Werner, Jahns Lisa, Linnell Jessica D, Keen Carl L, Steinberg Francene M, Young Heather M, Zidenberg-Cherr Sheri
Department of Nutrition, University of California, Davis, Davis, CA; Center for Nutrition in Schools, University of California, Davis, Davis, CA.
Department of Nutrition, University of California, Davis, Davis, CA; Center for Nutrition in Schools, University of California, Davis, Davis, CA.
J Nutr Educ Behav. 2017 Jan;49(1):73-78.e1. doi: 10.1016/j.jneb.2016.09.007. Epub 2016 Oct 26.
To determine whether fourth-grade students participating in the Shaping Healthy Choices Program (SHCP), a school-based nutrition intervention, would change vegetable and carotenoid intake measured by skin carotenoids and dietary intake.
Single-group pretest-posttest with a self-selected, convenience sample of students (n = 30) participating in the SHCP, which lasted 1 academic year (9 months). Dietary intake of vegetables and carotenoids as measured by Block food frequency questionnaire and skin carotenoids as measured by Raman spectroscopy were collected at the school preintervention and postintervention.
Reported carotenoid intake decreased by 1.5 mg (P = .05) and skin carotenoids decreased by 2,247.9 RRS intensity units (P = .04). Change in reported intake correlated with change in skin carotenoids (r = .43; P = .02).
The reported decrease in vegetable and carotenoid intake was unanticipated; nevertheless, the RRS measurements confirmed this. RRS data can help evaluate changes in fruit and vegetable intake.
确定参与“塑造健康选择计划”（SHCP）（一项基于学校的营养干预措施）的四年级学生，其通过皮肤类胡萝卜素和饮食摄入量衡量的蔬菜及类胡萝卜素摄入量是否会发生变化。
采用单组前测-后测设计，以参与SHCP的学生（n = 30）作为自我选择的便利样本，该计划持续1个学年（9个月）。在学校干预前和干预后，通过Block食物频率问卷收集蔬菜和类胡萝卜素的饮食摄入量，并通过拉曼光谱法测量皮肤类胡萝卜素。
报告的类胡萝卜素摄入量减少了1.5毫克（P = 0.05），皮肤类胡萝卜素减少了2247.9拉曼散射强度单位（P = 0.04）。报告摄入量的变化与皮肤类胡萝卜素的变化相关（r = 0.43；P = 0.02）。
报告的蔬菜和类胡萝卜素摄入量下降出乎意料；尽管如此，拉曼散射测量结果证实了这一点。拉曼散射数据有助于评估水果和蔬菜摄入量的变化。
