Evaluation of Lead and Cadmium Heavy Metal Residues in Milk and Milk Products Sold in Ogbomoso, Southwestern Nigeria

Tona, G. O.; Adetunji, Victoria O.; Ameen, S. A.; Ibikunle, A. O.

doi:10.3923/pjn.2013.168.171

Cited by 10 publications

(7 citation statements)

References 10 publications

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“…Furthermore, our study confirms the fact that both antibiotics are not fully eliminated after processing and that traces of residues would still be detected following heat treatment. Similarly, tetracycline residues were present in all yogurt samples (n=8) after processing of cow’s milk in Nigeria with levels < MRL [29]. It is important to point out, that in our study, the comparison of residues by processing technique and fat content should be interpreted with caution since skimmed/processed dairy samples were not derived from the same batch of full fat/raw samples.…”

Section: Resultsmentioning

confidence: 87%

Identification and dietary exposure assessment of tetracycline and penicillin residues in fluid milk, yogurt, and labneh: A cross-sectional study in Lebanon

et al. 2019

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Background and Aim: The safety and quality of dairy products are considered to be of significant importance to human health. Although antimicrobial drugs are essential for disease treatment in modern medicine, the use of these drugs can have undesired consequences for human and animal health. This study aimed to investigate the presence of tetracycline and penicillin residues in raw, pasteurized, and UHT cow's milk of different fat contents, as well as in the dairy products yogurt and labneh, a traditional Lebanese product. Materials and Methods: A total of 44 samples, 4 raw, 9 UHT, 9 pasteurized milk, 10 yogurt, and 12 labneh samples from common local brands available in the Lebanese market were collected from Keserwan regions in May 2016. Tetracycline and penicillin residues were determined using a competitive enzyme-linked immunosorbent assay (ELISA) technique. Results: The mean values for tetracycline and penicillin were all below the limit of detection (LOD) of the ELISA kit of a maximum standard concentration of 1.80 μg/kg and 4.00 μg/kg, respectively. All samples tested positive for antibiotic residues. The detection rate for tetracycline in milk (n=22) samples was 86.4% with a mean residues value of 1.16±0.70 μg/kg. The detection rate of tetracycline in labneh (n=12) and yogurt (n=10) samples was 50% for each with a mean value of 1.76±0.40 μg/kg and 0.63±0.12 μg/kg, respectively. As for penicillin residues, 90.9% of the milk (n=22) samples tested positive with a mean value of 0.52±0.25 μg/kg. The detection rate in labneh (n=12) and yogurt (n=10) samples was 0% for penicillin residues, where mean values were all below the LOD (<1.25 μg/kg) for these dairy products. None of the samples exceeded the maximum residue levels. The estimated dietary intake (EDI) for tetracycline and penicillin residues for all dairy products is 2.09 ng/kg body weight (BW)/day resulting in 0.007% of the acceptable daily intake (ADI) and 1.83 ng/kg BW/day resulting in 0.006% of the ADI, respectively. Conclusion: All EDI values were below the ADI set for each antibiotic residue and do not exceed relevant toxicological reference values. However, concerns might still be present from consumption of other animal food products containing residues. Moreover, the long-term exposure to such residues is still unknown as a result of bioaccumulation; it is a challenging process to determine the actual dietary consumption of foods containing antibiotic residues; hence, the human health risk cannot be easily predicted.

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Section: Resultsmentioning

confidence: 87%

Identification and dietary exposure assessment of tetracycline and penicillin residues in fluid milk, yogurt, and labneh: A cross-sectional study in Lebanon

et al. 2019

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“…These authors in their results indicated that the milk products from the two regions of Italy are safe for consumers. Similarly, Tona et al (2013) found that the level of Pb within the maximum residue limit (MRLs) in the soft cheese samples. However, Abdulkhaliq et al (2012) found the lowest concentrations of heavy metals in white cheese.…”

Section: Creammentioning

confidence: 94%

“…Indeed, some studies are in agreement with those reported in the literature from other countries. In their papers that the levels of Fe, Cu, Pb, Cd and Ni in cow and buffalo's milk and their products were unsafe for consumers (Licata et al, 2012;Malhat et al, 2012;Temiz & Soylu, 2012;Tona et al, 2013;El-Ansary & El-Leboudy, 2015;Ojezele et al, 2017), while others have reported no significant effect cause any adverse health concerns to consumers (Najarnezhad & Akbarabadi, 2013;Belete et al, 2014;Cadar et al, 2015;Najarnezhad et al, 2015;Perez-Carrera et al, 2016;Ahmad et al, 2017;Akele et al, 2017). More reviews providing in-depth discussions can be found in recent papers (Noori et al, 2016;Ziarati et al, 2018).…”

Section: Creammentioning

confidence: 99%

Determination of some Heavy Metals Concentration in some Dairy Products from Three Different Regions of Basrah, Iraq

Al-Garory

Al-Kaabi²

2020

Basrah J. Agric. Sci.

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Ninety samples of cow and buffalo's milk besides their products (cheese and cream), which were collected from three different regions in Basrah city (Basrah centre, Abu Al-Khaseeb and Al-Zubair), were investigated. Levels of some heavy metals (Fe, Cu, Pb, Ni and Cd) were analyzed using an atomic absorption spectrophotometer (AAS). Results showed a trend for three products in which the order in terms of quantities of the levels of Fe, Cu and Pb are: milk > cheese > cream of cows and buffaloes. However, the levels of Ni and Cd were not detected in all samples in this study. Statistical analysis showed that the differences between all different regions were statistically significant (P˂0.05). It was also found that the mean levels of Fe in cow and buffalo's products for different regions higher than those recommended by WHO standard and codex. Likewise, the mean contents of Cu and Pb have exceeded the WHO permissible limits.

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“…An adequate supply of clean, fresh drinking water is widely considered essential for optimal cow health and maximum milk production (Radostitis et al, 2007;Beede, 2009 andAwasthi et al, 2012). The increment of heavy metals pollution in the ecosystem may be attributed to use of agricultural pesticides and related chemicals, unhygienic weed out wastes and diffusion of sewage quagmire (López-Alonso et al, 2003;Srikanth et al, 2004;Miranda et al, 2007;Chiroma et al, 2007 andTona et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Assessment of Heavy Metals Pollution in Groundwater and Cow’s Milk in Upper Egypt

Aamer

Hassan

Kotb

2016

Assiut Veterinary Medical Journal

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The present work deals with the evaluation of heavy metals pollution in raw cow's milk and groundwater in Upper Egypt. So, a total of 102 milk and ground water samples were collected from three Governorates in Upper Egypt, namely, Assiut, Sohag and Qena. Concentrations of lead (Pb), Cadmium (Cd), Iron (Fe) and Manganese (Mn) in the digested water and milk samples were determined by Buck model 210 VGP atomic absorption spectrophotometer with flame atomization. Our data showed that the average mean of lead, Iron and cadmium in collected water and milk samples were (0.195 ppm and 0.075 ppm), (0.00040 ppm and 0.00026 ppm) and (3.949 ppm and 0.869ppm), respectively. However, we could not detect Manganese either in milk or water samples. Furthermore, Statistical analysis of data showed that there was a significant correlation (p< 0.05) between heavy metal pollution in milk and that of correspondent examined groundwater samples.

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Evaluation of Lead and Cadmium Heavy Metal Residues in Milk and Milk Products Sold in Ogbomoso, Southwestern Nigeria

Cited by 10 publications

References 10 publications

Identification and dietary exposure assessment of tetracycline and penicillin residues in fluid milk, yogurt, and labneh: A cross-sectional study in Lebanon

Identification and dietary exposure assessment of tetracycline and penicillin residues in fluid milk, yogurt, and labneh: A cross-sectional study in Lebanon

Determination of some Heavy Metals Concentration in some Dairy Products from Three Different Regions of Basrah, Iraq

Assessment of Heavy Metals Pollution in Groundwater and Cow’s Milk in Upper Egypt

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