Fumonisin B1 contamination of home-grown corn in high-risk areas for esophageal and liver cancer in China

被引:164
作者
Sun, Guiju
Wang, Shaokang
Hu, Xu
Su, Jianjia
Huang, Tianren
Yu, Jiahua
Tang, Lili
Gao, Weimin
Wang, Jia-Sheng [1 ]
机构
[1] Texas Tech Univ, Dept Environm Toxicol, Lubbock, TX 79409 USA
[2] Texas Tech Univ, Inst Environm & Human Hlth, Lubbock, TX 79409 USA
[3] SE Univ, Sch Publ Hlth, Nanjing 210018, Peoples R China
[4] Guangxi Canc Inst, Guangxi, Peoples R China
来源
FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT | 2007年 / 24卷 / 02期
关键词
food contamination; fumonisin B(1); esophageal cancer; liver cancer;
D O I
10.1080/02652030601013471
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Fumonisin B(1) (FB(1)) is reportedly the causative agent of several animal mycotoxicoses and has etiologically been linked to human oesophageal and liver cancer in certain areas of South Africa and China. To study a possible relationship between exposure to FBI and human cancer risk, the current status of FBI contamination in food samples in Huaian and Fusui, where incidences of oesophageal and liver cancer are amongst the highest in China, was investigated. A total of 259 corn samples were collected from individual households in five villages of different townships in Huaian during December 2001 and December 2002, and in four villages of different townships in Fusui during May 2001 and May 2002. Corn samples were also collected from individual households in two villages in Huantai, an area with low incidences of both cancers. Enzyme-linked immunosorbent assays (ELISA) and immunoaffinity-HPLC methods were used for FBI analysis. In corn samples from Huaian, FBI was detectable in 95.7% (112/117) of the samples, with an average of 2.84 mg kg(-1) (range 0.1-25.5 mg kg(-1)). FBI was detected in 83.0% (78/94) of the Fusui samples, with an average of 1.27 mg kg(-1) (range 0.1-14.9 mg kg(-1)), and in 83.3% (40/48) of Huantai samples, with an average of 0.65 mg kg(-1) ranging from 0.1 to 5.7 mg kg(-1). The level of FBI in corn samples from Huaian was significantly higher than from Huantai (P < 0.001). In addition, 47 of 112 (42.0%) positive Huaian samples had FBI level greater than 2.0 mg kg(-1) which was significantly higher than 10.0% (4/40) of Huantai samples (P < 0.001). Furthermore, variations were found between samples collected in different years and different villages. The high contamination rates of FBI found in food from these areas, along with previous reports, suggest a possible contributing role of FBI in human esophageal- and hepato-carcinogenesis.
引用
收藏
页码:181 / 185
页数:5
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