Talegawkar Sameera A, Johnson Elizabeth J, Carithers Teresa C, Taylor Herman A, Bogle Margaret L, Tucker Katherine L
Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, 711 Washington Street, Boston, MA 02111, USA.
Public Health Nutr. 2008 Oct;11(10):989-97. doi: 10.1017/S1368980007001310. Epub 2007 Dec 6.
Intake and status of carotenoids have been associated with chronic disease. The objectives of this study were to examine the association between carotenoid intakes as measured by two regional food-frequency questionnaires (FFQs) and their corresponding measures in serum, and to report on dietary food sources of carotenoids in Jackson Heart Study (JHS) participants.
Cross-sectional analysis of data for 402 African American men and women participating in the Diet and Physical Activity Sub-Study (DPASS) of the JHS.
Mean serum carotenoid concentrations and intakes in this population were comparable to those reported for the general US population. After adjustment for covariates, correlations between serum and dietary measures of each carotenoid, for the average of the recalls (deattenuated), the short FFQ and the long FFQ, respectively, were: 035 and 0-carotene; 026 and 0-carotene; 017 and 0-carotene; 034 and 0-cryptoxanthin; 015 and 037, 014 for lycopene. Major dietary sources of -carotene and lutein plus zeaxanthin, mustard, turnip and collard greens; of beta-cryptoxanthin, orange juice; and of lycopene, tomato juice.
On average, carotenoid intakes and serum concentrations are not lower in this southern African American population than the general US population. The two regional FFQs developed for a southern US population and used as dietary assessment tools in the JHS appear to provide reasonably valid information for most of these carotenoids.
类胡萝卜素的摄入量和状态与慢性病有关。本研究的目的是检验通过两种区域食物频率问卷(FFQ)测量的类胡萝卜素摄入量与其血清中相应指标之间的关联,并报告杰克逊心脏研究(JHS)参与者中类胡萝卜素的膳食食物来源。
对参与JHS饮食与身体活动子研究(DPASS)的402名非裔美国男性和女性的数据进行横断面分析。
该人群的平均血清类胡萝卜素浓度和摄入量与美国普通人群的报告值相当。在对协变量进行调整后,每种类胡萝卜素的血清和膳食指标之间的相关性,分别针对回忆平均值(去衰减)、短FFQ和长FFQ为:0.35和β-胡萝卜素;0.26和α-胡萝卜素;0.17和γ-胡萝卜素;0.34和β-隐黄质;0.15和0.37,番茄红素为0.14。β-胡萝卜素和叶黄素加玉米黄质的主要膳食来源是芥菜、芜菁和羽衣甘蓝;β-隐黄质的主要膳食来源是橙汁;番茄红素的主要膳食来源是番茄汁。
平均而言,该美国南部非裔人群的类胡萝卜素摄入量和血清浓度并不低于美国普通人群。为美国南部人群开发并在JHS中用作膳食评估工具的两种区域FFQ,似乎为大多数这些类胡萝卜素提供了合理有效的信息。