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Document Type |
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Thesis |
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Document Title |
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Determination of acrylamide levels in some traditional foods in Jeddah city تقدير مستويات الأكريلاميد في بعض الأطعمة التقليدية الشائعة في مدينة جدة |
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Subject |
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Faculty of Meteorology, Environment and Arid Land Agriculture |
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Document Language |
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Arabic |
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Abstract |
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Acrylamide is a carcinogenic and genotoxic food contaminant produced at high temperatures in in carbohydrate-rich foods. Traditional foods sold in Jeddah markets, and commonly consumed in Saudi Arabia, are among those carbohydrate-rich foods produced at high cooking temperatures. It is therefore crucial to determine the importance of traditional foods on acrylamide exposure and to assess the associated risks.
Acrylamide levels were estimated in 160 samples of commonly produced and consumed traditional foods using HPLC techniques. The highest average acrylamide levels were measured in Shaboura and fried sambosas (2088 and 1957 µg/kg) respectively, while the lowest average acrylamide levels were found in Shami bread and Bukhari rice (203 and 212 µg/kg) respectively.
The results shows that, the average and the 95th percentile of acrylamide exposure were 0.92 and 2.1 (µg kgbw /day), respectively. The highest dietary acrylamide exposure was that of age group 6 to 12 years ( 1.21 µg kgbw /day), while the lowest dietary exposure (0.70 µg kgbw /day ) was that of age group ≥ 41 years. The estimated margin of exposure (MOE) calculated from the average acrylamide exposure has reduced from 256 to 149, while reduced from 443 to 257 in the same age groups, based on BDML10 for Harderian gland tumours in mice (0.18 mg kgbw/ day) and for the induction of mammary tumours in rats (0.31 mg kgbw/ day). According to WHO, if the margin of acrylamide exposure is less than 10,000, based on BDML10, means presence of threat requires taking measures to control it, and according to the Joint Expert committee of food additives (JECFA) the MOE between 45 and 310 indicate a risk to public health. Based on that, the estimated margin of exposure to acrylamide from the traditional foods intake only indicates the presence of public health concern that requires taking measures to control it. |
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Supervisor |
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Dr. Mahmoud Mohamed El-Tawila |
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Thesis Type |
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Master Thesis |
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Publishing Year |
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1438 AH
2017 AD |
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Co-Supervisor |
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Dr. Ahmad Mohamed Alansari |
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Added Date |
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Monday, March 27, 2017 |
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Researchers
| حسان خالد عقيل | Ageel, Hassan Khalid | Researcher | Master | |
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