https://sciresjournals.com/ijlsra/content/levels-total-aflatoxins-maize-and-groundnuts-across-food-value-chains-gender-and-agro

Samuel Mwesige, Florence Tushabe, Thomas Okoth, Ivan Kasamba, David Areu
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摘要

玉米和花生是乌干达种植的传统营养丰富、经济价值高的食物。然而,这些作物容易受到黄曲霉毒素污染,这可能导致黄曲霉中毒相关疾病。在乌干达不同的食品价值链、性别和农业生态区,食品中曲霉毒素的含量各不相同。因此,我们对来自Masindi和Soroti农业生态区的80种玉米和花生食品进行了横断面研究。我们确定了跨食品价值链、性别和农业生态区的玉米和花生样本中的黄曲霉毒素总量。这是为了评估乌干达食品的安全和质量状况。进行问卷调查,以获取有关食物处理方法的资料。每个食品样品取500g,用ELISA法分析总黄曲霉毒素水平。采用描述性统计和分析性统计对数据进行分析。总体而言,45%的玉米和30%的花生食品被黄曲霉毒素污染。东部和西部农业生态区食品中黄曲霉毒素的平均含量分别为0.052±0.036ppb和0.045±0.033ppb (p=0.124)。男性和女性受访者花生中黄曲霉毒素的平均含量巧合地为0.052ppb。而男性和女性玉米中黄曲霉毒素的平均含量分别为0.056±0.037ppb和0.039±0.029ppb。在整个食品价值链中,批发花生食品中黄曲霉毒素的平均含量最高,为0.088ppb (p= 0.27)。种植高多胺含量的作物、对易受黄曲霉毒素影响的食品进行常规检测和使食品价值链参与者变得敏感是重要的黄曲霉毒素控制策略。
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https://sciresjournals.com/ijlsra/content/levels-total-aflatoxins-maize-and-groundnuts-across-food-value-chains-gender-and-agro
Maize and groundnuts are traditional nutrient-rich and high economic value foods grown in Uganda. However, these crops are susceptible to aflatoxin contamination which may result into aflatoxicosis related illnesses. Occurrence of flatoxins in the foods varies across food value chains, gender and agro-ecological zones of Uganda. Therefore, we conducted a cross-sectional study in 80 maize and groundnut foodstuff from Masindi and Soroti agro-ecological districts respectively. We determined levels of total aflatoxins in maize and groundnut samples across food value chains, gender and agro-ecological zones. This was aimed at assessing safety and quality status of the foods in Uganda. Questionnaires were administered to obtain information on food handling practices. 500g of each food sample were obtained and analyzed for total aflatoxin levels using ELISA assay. Data was analyzed using descriptive and analytical statistics. In overall, 45% of maize and 30% of groundnut foods were contaminated with aflatoxins. Mean aflatoxin levels in foods from Eastern and Western agro-ecological zones were 0.052±0.036ppb and 0.045±0.033ppb respectively (p=0.124). Mean aflatoxin levels in groundnuts from both male and female respondents were coincidentally 0.052ppb. Whereas, the mean aflatoxin levels in maize from male and female respondents were 0.056±0.037ppb and 0.039±0.029ppb respectively. Across the food value chain, wholesaler groundnut foods contained the highest mean aflatoxin levels of 0.088ppb (p= 0.27). Growing high polyamine containing crops, routine testing of aflatoxin prone foods and sensitizing food value chain players are important aflatoxin control strategies.
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