中文摘要：通过两套不同的膳食摄入问卷评估了墨西哥韦拉克鲁斯市人的玉米消费量。结果强调需要将描述墨西哥包括膳食主食在内的主要食物的消费特征，作为概率风险评估的第一步。
外文摘要：Corn consumption was evaluated in the population of Veracruz City,Mexico, through two different dietary intake questionnaires.The selection of 300 sampling locations was completely random. The population was segregated into gender and age categories. A daily consumption questionnaire was used to determine the consumption of corn tortillas and a frequency questionnaire to determine the consumption of other corn products. A book of photographs was used to adjust criteria on the size of the portions of corn products and a probability distribution was built of the weight and content of corn for tortillas.Probability density functions (PDFs) were used to describe the consumption of each corn product. Men and those between 14 and 65years old have the highest consumption of tortillas. Tortillas, antojitos,tacos and chilaquiles are the products that provide the largest amount of corn to the Veracruz people's diet. Even though these products are nixtamalisated, there is evidence that after a thermo-alkaline process some contaminants such as mycotoxins (like aflatoxin, which is a mutagenic, teratogenic and carcinogenic toxin) could be present in high concentrations. These results highlight the need to characterize the consumption of one of the main foods included in dietary staple in Mexico as a first step for a probabilistic risk assessment.
 
外文关键词：Corn products；probability density function；frequency questionnaire；daily consumption
作者：Wall-Martinez, HA；Ramirez-Martinez, A；Wesolek, N；Brabet, C; Rodriguez-Jimenes, GC；Garcia-Alvarado, MA；Salgado-Cervantes, MA; Robles-Olvera, VJ；Roudot, AC
作者单位：Univ Bretagne Occidentale
期刊名称：FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT
期刊影响因子：1.878
出版年份：2017
出版刊次：5
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