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Post-Harvest Contamination with Mycotoxins in the Context of the Geographic and Agroclimatic Conditions in Romania

机译：罗马尼亚地理和农业气候条件下霉菌毒素在收获后的污染

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This study aimed to assess post-harvest contamination with mycotoxins in the context of the geographic and agroclimatic conditions in Romania in 2012–2015, a period that was characterized by extreme meteorological events and the effects of climate change. The samples were randomly sampled from five agricultural regions of Romania and analyzed for mycotoxins by enzyme-linked immunosorbent assay. An SPSS analysis was done to explore correlations between mycotoxins (deoxynivalenol—DON, aflatoxins—AF, ochratoxin A—OTA, zearalenone—ZEA), product types (raw cereal, processed cereal, cereal-based food), geographic coordinates (latitude, longitude, agricultural region), and agroclimatic factors (air temperature, precipitation, soil moisture reserve, aridity index, soil type). In the southeast part of the Southern Plain and Dobrogea (Baragan Plain, located at 44–45° N, 26–27° E), contamination with AF and OTA was higher in raw and processed cereals (maize in silo, silo corn germs) in the dry years (2012 and 2013), and contamination with DON was high in processed cereals (wheat flour type 450) in the rainy year (2014). DON and OTA contamination were significantly correlated with cumulative precipitation in all years, while AF and ZEA contamination were non-significantly correlated with climatic factors and aridity indices. The distribution of mycotoxins by product type and the non-robust correlations between post-harvest mycotoxins and agrometeorological factors could be explained by the use of quality management systems that control cereal at warehouse receptions, performant processing technologies, and the quality of storage spaces of agri-food companies. The Baragan Plain is Romania’s most sensitive area to the predicted climate change in southeast Europe, which may be associated with its increased cereal contamination with AF and OTA.
机译：这项研究旨在评估2012-2015年罗马尼亚地理和农业气候条件下收获后真菌毒素的污染，这一时期的特点是极端的气象事件和气候变化的影响。从罗马尼亚的五个农业地区中随机抽取样品，并通过酶联免疫吸附测定法分析其霉菌毒素。进行了SPSS分析，以探索真菌毒素（脱氧雪腐烯酚-DON，黄曲霉毒素-AF，曲霉毒素A-OTA，玉米赤霉烯酮-ZEA），产品类型（原始谷物，加工谷物，谷物食品）之间的相关性，地理坐标（纬度，经度） ，农业地区）和农业气候因素（气温，降水，土壤水分储备，干旱指数，土壤类型）。在南部平原和多布罗加的东南部（Baragan平原，位于北纬44-45°，东经26-27°），未加工和加工过的谷物（筒仓中的玉米，筒仓玉米胚芽）对AF和OTA的污染较高。在干旱年份（2012年和2013年），在雨季（2014年）中，加工谷物（450型小麦粉）中的DON污染较高。多年来，DON和OTA污染与累积降水显着相关，而AF和ZEA污染与气候因素和干旱指数无显着相关。真菌毒素按产品类型的分布以及收获后真菌毒素与农业气象因素之间的非稳健相关性可以通过使用控制仓库接收处谷物，性能处理技术以及农业储藏空间质量的质量管理系统来解释。食品公司。巴拉甘平原是罗马尼亚对东南欧预测的气候变化最敏感的地区，这可能与AF和OTA对谷物的污染增加有关。

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