Yingjie Lu, Wenjing Zhao, Peng Xie, Sihao Lin, Jun Li, Lap Ah Tse, Jiahai Lu, Zefang Ren, Xudong Liu
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引用次数: 0
Abstract
Background and aims: Experimental studies showed that carotenoids had anti-carcinogenic properties, but epidemiological studies on the association between dietary carotenoids and esophageal squamous cell carcinoma (ESCC) risk were limited, and the findings were inconsistent. This study aimed to investigate the roles of intake of dietary carotenoids in the development of ESCC among a rural Chinese population. Methods: A population-based case-control study was conducted in Southwest China. A total of 915 incident ESCC cases and 925 community-based controls were included. A validated food frequency questionnaire with 76-item was adopted to collect information about dietary consumption. Intake of dietary calories and each carotenoid was calculated according to the China food composition tables. Odds ratios (OR) with 95% confidence intervals (CI) were calculated by a logistic regression model, with adjustments for age, gender, body mass index, family cancer history, cigarette smoking, alcohol drinking, education, marital status, prudent pattern score, and total calories. Results: In comparison to the highest with lowest intake quartiles, intake of total carotenes (OR: 0.70, 95% CI: 0.52-0.96, Ptrend: 0.024), α-carotene (OR: 0.62, 95% CI: 0.46-0.83, Ptrend: 0.014), β-carotene (OR: 0.63, 95% CI: 0.46-0.86, P-trend: 0.005), and the sum of lutein and zeaxanthin (OR: 0.41, 95% CI: 0.29-0.56, Ptrend<0.001) was significantly associated with a decreased risk of ESCC after adjustment for confounders. Conclusions: The results indicated that a higher intake of total carotene, α-carotene, β-carotene, and the sum of lutein and zeaxanthin was associated with a lower risk of ESCC.
期刊介绍:
Since 1930 this journal has provided an important international forum for scientific advances in the study of nutrition and vitamins. Widely read by academicians as well as scientists working in major governmental and corporate laboratories throughout the world, this publication presents work dealing with basic as well as applied topics in the field of micronutrients, macronutrients, and non-nutrients such as secondary plant compounds.
The editorial and advisory boards include many of the leading persons currently working in this area.
The journal is of particular interest to:
- Nutritionists
- Vitaminologists
- Biochemists
- Physicians
- Engineers of human and animal nutrition
- Food scientists