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International Journal for Vitamin and Nutrition ResearchSince 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. The editorial and advisory boards include many of the leading persons currently working in this area. The journal is of particular interest to:
International Journal for Vitamin and Nutrition Research is abstracted/indexed in Science Citation Index Expanded (SCIE, Sci-Search), Current Contents/Agriculture, Biology, and Environmental Sciences, Science Citation Index, Current Contents/Life Sciences, Prous Science Integrity, Journal Citation Reports/Science Edition, Biological Abstracts, BIOSIS Previews, Medline, AGRICOLA, EMBASE, BIOBASE, EMBASE Biology, EMCARE, Scopus, CAB Abstracts and CAB Health. Impact Factor (2009): 0.897.ISSN (print) 0300-9831 ISSN (online) 1664-2821 |
Cancer Prevention Studies Branch, Center for Cancer Research, National Cancer Institute, Rockville, MD 20852 2 Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville MD 20852 3 Department of Epidemiology and Surveillance Research, American Cancer Society, 1599 Clifton Road, NE, Atlanta, GA 30329 4 Xiao Nong Zou1, R. Philip Taylor2, D. Steven Mark3, Ann Chao4, Wen Wang1, M. Sanford Dawsey2, Yan Ping Wu1, You Lin Qiao1, Su Fang Zheng1 Seasonal Variation of Food Consumption and Selected Nutrient Intake in Linxian, a High Risk Area for Esophageal Cancer in China
Abstract
Linxian, China, is a region with high incidence of esophageal cancer and a history of poor nutritional status. Nutrition Intervention Trials were conducted in this area from 1985 through 1991 and found a reduction in total cancer mortality in the group receiving supplementation of beta-carotene/selenium/alpha-tocopherol. The positive results of those trials have, in part, been ascribed to the poor nutritional status of this population. To investigate more recent food patterns, nutrient intakes, and seasonal variations in the diet, dietary surveys were conducted among the residents of Linxian in 1996. Food consumption data were collected among 104 households in spring and 106 households in autumn using a method of food inventory changes. Intake of nutrients was estimated and compared to the Chinese Recommended Dietary Allowance (RDA). In both seasons, the five most common food groups consumed were cereals, fresh vegetables, yams, seasonings, and eggs. Low nutrient intakes were found for selenium (79% RDA and 66% RDA), zinc (72% RDA and 62% RDA), vitamin B2 (64% RDA and 52% RDA), and calcium (53% RDA and 39% RDA) in both spring and autumn. A large seasonal variation was seen in the consumption of leafy vegetables, root vegetables and eggs, all of which might have contributed to the lower intake of vitamin A (25% RDA), vitamin C (75% RDA), protein (76% RDA), and vitamin E (78% RDA) in autumn. These indicate that the nutrient intake in Linxian is inadequate for a number of vitamins and minerals including those shown to be associated with esophageal cancer. Key wordsDiet surveys - esophageal neoplasm - food habits - micronutrients - vegetables
International Journal for Vitamin and Nutrition Research, Seite 375 - 382, Band 72, 2002, Heft 6 © Verlag Hans Huber, Bern |
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