Corn and pepper fluorine survey in Zhenxiong county, a coal-burning borne endemic fluorosis area of Yunnan province

Q3 Medicine

中华地方病学杂志 Pub Date : 2011-03-20 DOI:10.3760/CMA.J.ISSN.1000-4955.2011.02.027

Zhang Li-juan, Deng Chun-yuan, Gao Xiu-cui, Deng Yun, Zu Wei-jiang, Zhang Hui-chong

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Abstract

Objective To investigate the com and pepper fluorine in Zhenxiong county of Yunnan province, as well as the change of com and pepper fluorine after baked by coal, clay-mixed with cual for a relatively long-term, in order to provide a scientific basis for reducing fluorine intake. Methods The endemic areas of Yile, Wufeng's Songlinwan, Tangfang and Wufeng's Wugu in Zhenxiong county, and a non-endemic area Xiaguan in Dali city were selected as study sites. Ten samples of fresh corn and pepper were collected in each region, and fluorine was determined using acid leaching/potentiometry freshly and after baking or drying for 10 days or 4 months, respectively. Results The fluorine content of local fresh corn in Xiaguan of Dali city and Yile,Wufeng's Songlinwan, Tangfang, Wufeng's Wugu in Zhenxiong county were (1.31 ± 0.13),(1.65 ± 0.64),(1.92 ±0.37), (2.32 ± 0.49), (1.98 ± 0.66)mg/kg, respectively, and there were statistically significant differences across the regions(H = 27.871, P ＜ 0.05). The fluorine content of corn samples after baking or drying for 4 months were ( 1.82 ± 0.17), (26.43 ± 12.03), (39.27 ± 8.09), ( 14.27 ± 4.37), ( 14.33 ± 1.73)mg/kg, respectively, which were significantly higher than that of the fresh com in the corresponding region(all P ＜ 0.05 ), and there were statistically significant differences across the regions(H = 42.512, P＜ 0.05). The fluorine content of the local fresh chili were (3.34 ± 1.08), (3.44 ± 0.55), (3.47 ± 0.74), (3.46 ± 0.93)mg/kg, respectively, in the 4 observed places in Xiaguan of Dali city and Yile, Wufeng's Songlinwan, Tangfang in Zhenxiong county, and there were no statistically significant differences across the regions (F = 0.052, P ＞ 0.05 ). The fluorine content of pepper samples after baking or drying for 4 months were (7.01 ± 1.64), (226.07 ± 83.69), (179.36 ± 148.37), (54.51 ± 34.67)mg/kg,respectively, which were significantly higher than that of the fresh pepper in the corresponding region(all P ＜ 0.05 ),and there were statistically significant differences across the regions(H = 28.822, P ＜ 0.05). Conclusion Corn and chili fluorine is significantly increased after baked with coal and clay-mixed with coal by farmers in Zhenxiong county, a coal- burning borne endemic fluorosis area of Yunnan province. Key words: Fluorine; Capsicum; Zea mays; Curing-baking processing

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云南省燃煤地方性氟中毒区镇雄县玉米、辣椒氟调查

目的了解云南省镇雄县玉米和辣椒氟含量，以及玉米和辣椒经煤、粘土和白蜡混合较长时间烘烤后氟含量的变化情况，为降低氟摄入量提供科学依据。方法选取镇雄县益乐、五峰镇松林湾、塘坊、五峰镇五谷病区和大理市下关非病区作为研究点。在每个地区收集10份新鲜玉米和辣椒样品，分别在新鲜和烘烤或干燥10天或4个月后使用酸浸/电位法测定氟。结果大理市下关和镇雄县宜乐、五峰镇松林湾、塘坊、五峰镇五谷当地鲜玉米氟含量分别为(1.31±0.13)、(1.65±0.64)、(1.92±0.37)、(2.32±0.49)、(1.98±0.66)mg/kg，地区间差异有统计学意义(H = 27.871, P < 0.05)。烘培或干燥4个月后玉米样品氟含量分别为(1.82±0.17)、(26.43±12.03)、(39.27±8.09)、(14.27±4.37)、(14.33±1.73)mg/kg，显著高于相应地区鲜玉米(P均< 0.05)，且各地区间差异有统计学意义(H = 42.512, P< 0.05)。大理市下关和镇雄县义乐、五峰镇松林湾、塘坊4个观测地当地鲜辣椒氟含量分别为(3.34±1.08)、(3.44±0.55)、(3.47±0.74)、(3.46±0.93)mg/kg，地区间差异无统计学意义(F = 0.052, P > 0.05)。烘焙或干燥4个月后辣椒样品的氟含量分别为(7.01±1.64)、(226.07±83.69)、(179.36±148.37)、(54.51±34.67)mg/kg，均显著高于相应地区鲜辣椒(P < 0.05)，且各地区间差异有统计学意义(H = 28.822, P < 0.05)。结论云南镇雄县是燃煤型地方性氟中毒病区，农民用煤和混煤粘土烘烤玉米和辣椒后氟含量明显升高。关键词:氟;辣椒;玉米;Curing-baking处理

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来源期刊

中华地方病学杂志我国对人类健康危害特别严重的地方性疾病：克山病、大骨节病、碘缺乏病、地方性氟中毒、地方性砷中毒、鼠疫、布鲁氏菌病、寄生虫、新冠肺炎等疾病，同时还报道多发性自然疫源性疾病。

CiteScore

1.60

自引率

0.00%

发文量

8714

期刊介绍： The Chinese Journal of Endemiology covers predominantly endemic diseases threatening health of the people in the areas affected by the diseases including Keshan disease, Kaschin-Beck Disease, iodine deficiency disorders, endemic fluorosis, endemic arsenism, plague, epidemic hemorrhagic fever, brucellosis, parasite diseases and the diseases related to local natural and socioeconomic conditions; and reports researches in the basic science, etiology, epidemiology, clinical practice, control as well as multidisciplinary studies on the diseases.