Effects of fermentation time, baking, and storage on ochratoxin A levels in sourdough flat bread.
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| Title: | Effects of fermentation time, baking, and storage on ochratoxin A levels in sourdough flat bread. |
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| Authors: | Özdemir, Nazlı1 (AUTHOR), Gül, Hülya2 (AUTHOR) hulyagul@sdu.edu.tr |
| Source: | Food Science & Nutrition. Oct2024, Vol. 12 Issue 10, p7370-7378. 9p. |
| Subject Terms: | *Liquid chromatography, Pita bread, Cereal products, Flatbreads, Chromatographic detectors, Bread, Sourdough bread |
| Abstract: | Ochratoxin A (OTA), which is one of the most important mycotoxins in terms of human health, can be found in cereal products such as bread, "bazlama" (traditional flatbread), and pita bread, as well as cereals such as wheat, barley, and corn. This study aimed to determine the effect of different fermentation times, baking, and storage for various periods on the presence of OTA in sourdough bazlama. Bazlama flour was contaminated with OTA concentrations of 5 and 10 μg/kg. After two different fermentation times (1.5 and 3 h), baking at 300 ± 5°C, and storage at room temperature (25 ± 2°C) for 0, 5, and 10 days, the change in OTA levels of bazlama samples was determined by the high‐performance liquid chromatography with fluorescence detector (HPLC‐FLD) method. The effect of different storage periods on the presence of OTA is insignificant. Although a general decrease in OTA level has been determined, it has been found that long‐term fermentation (at least 3 h) was more effective, especially in flours with a high concentration (10 μg/kg) of OTA contamination. It has been determined that bazlama made from contaminated flours with OTA levels of 5 and 10 μg/kg contained OTA levels exceeding 3 μg/kg when long‐term fermentation was not used. This is the maximum permitted limit set by the Turkish Food Codex and the European Commission, indicating that it is not suitable for consumption in this position. [ABSTRACT FROM AUTHOR] |
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| Database: | GreenFILE |
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| Abstract: | Ochratoxin A (OTA), which is one of the most important mycotoxins in terms of human health, can be found in cereal products such as bread, "bazlama" (traditional flatbread), and pita bread, as well as cereals such as wheat, barley, and corn. This study aimed to determine the effect of different fermentation times, baking, and storage for various periods on the presence of OTA in sourdough bazlama. Bazlama flour was contaminated with OTA concentrations of 5 and 10 μg/kg. After two different fermentation times (1.5 and 3 h), baking at 300 ± 5°C, and storage at room temperature (25 ± 2°C) for 0, 5, and 10 days, the change in OTA levels of bazlama samples was determined by the high‐performance liquid chromatography with fluorescence detector (HPLC‐FLD) method. The effect of different storage periods on the presence of OTA is insignificant. Although a general decrease in OTA level has been determined, it has been found that long‐term fermentation (at least 3 h) was more effective, especially in flours with a high concentration (10 μg/kg) of OTA contamination. It has been determined that bazlama made from contaminated flours with OTA levels of 5 and 10 μg/kg contained OTA levels exceeding 3 μg/kg when long‐term fermentation was not used. This is the maximum permitted limit set by the Turkish Food Codex and the European Commission, indicating that it is not suitable for consumption in this position. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 20487177 |
| DOI: | 10.1002/fsn3.4357 |
