Genetically modified (GM) crops and biotechnology are providing new opportunities for increasing crop productivity and tackling agriculture problems, such as diseases, pests and weeds, abiotic stress and nutritional limitations of staple food crops. As GM crops are being adopted in various locations with different ecosystems, a scientifically based understanding of the environmental effects of cultivations of GM crops would assist decision makers worldwide in ensuring environmental safety and sustainability. In this paper are discussed some of the most important problems related to the GM crops into the environment such as: plant protection, hybridisation, ecological effects of HRCs, gene flow, biodiversity, stress, ecological risks (ERA), effects on the soil ecosystem etc
The primary aim of this research was to investigate the effect of dilute alkaline steeping on molds and toxicity of maize malt. Samples of maize were collected from one farm located in the Serbian autonomous region Vojvodina. Steeping regimes were performed by using 0.1, 0.2, and 0.3% NaOH solutions. The effects of these solutions on mold contamination, total aflatoxin (AFLA), deoxynivalenol (DON), zearalenone (ZON), rootlet length, moisture, total nitrogen, content of protein, fat content, ash content, content of total carbohydrates, and energy value of maize malt were evaluated. Steeping in 0.1, 0.2, and 0.3% NaOH reduced the levels of molds from 10 6 to 10 4 CFU/g, and steeping in 0.3% NaOH eliminated some of the mold genera. Also, it significantly reduced (P < 0.05) the level of total AFLA, DON, and ZON. However, steeping in (control) water also significantly reduced (P < 0.05) the level of DON and ZON. Malting also significantly reduced (P < 0.05) total nitrogen and therefore content of proteins. However, steeping in 0.1, 0.2, and 0.3% NaOH caused significantly smaller reductions (P < 0.05). Significant reduction (P < 0.05) was also observed in the rootlet length, content of fat, and ash content. Steeping in 0.3% NaOH is proposed as a method for the reduction of mold and AFLA, DON, and ZON contamination during maize malting. Energy value of maize increases in the malting process regardless of the steeping regime.
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