Heavy metals in milk: global prevalence and health risk assessment

Ismail, Amir; Riaz, Muhammad; Akhtar, Saeed; Goodwill, Joseph E.; Sun, Jinsheng

doi:10.1080/15569543.2017.1399276

Cited by 50 publications

(43 citation statements)

References 76 publications

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“…Dairy products, and in particular milk, contain diversity of important nutrients such as proteins (casein, lactoglobulin, lactoalbumin), carbohydrates (lactose, glucose and galactose), fats (linoleic, linolenic, mystiric, palmitic, and oleic acids), minerals (calcium, phosphate, magnesium, sodium, potassium, citrate and chlorine), and vitamins (A, B, D, E, K) which are crucial to maintaining a healthy life of every individual [1]. There is evidence that milk and other dairy products might contain varying amounts of different toxic contaminants and especially heavy metals [2]. Heavy metals are defined as metallic elements that have a relatively high density compared to water [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

“…There is evidence that milk and other dairy products might contain varying amounts of different toxic contaminants and especially heavy metals [2]. Heavy metals are defined as metallic elements that have a relatively high density compared to water [2][3][4]. Heavy metal pollution is a result of increasing industrialization throughout the world, which has penetrated into all sectors of the food industry.…”

Section: Introductionmentioning

confidence: 99%

“…Heavy metal pollution is a result of increasing industrialization throughout the world, which has penetrated into all sectors of the food industry. Industrial, agricultural, domestic and technological processes have resulted in an increased concentration of heavy metals in air, water, soil and subsequently, these metals are taken by plants or animals and find their ways into food chain [2][3][4]. Milk of animal species can become contaminated with toxic heavy metals and especially cadmium (Cd), lead (Pb) and mercury (Hg) due to their feeding with contaminated forage and water and also their grazing in contaminated areas [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

“…Industrial, agricultural, domestic and technological processes have resulted in an increased concentration of heavy metals in air, water, soil and subsequently, these metals are taken by plants or animals and find their ways into food chain [2][3][4]. Milk of animal species can become contaminated with toxic heavy metals and especially cadmium (Cd), lead (Pb) and mercury (Hg) due to their feeding with contaminated forage and water and also their grazing in contaminated areas [2][3][4]. Chronic and even acute exposure to mercury, lead and cadmium is responsible for the occurrence of several types of cancers, tumors, autoimmune diseases, oxidative stress, enzymatic disorders, iron deficiency and hepatic and renal toxicities [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

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Concentrations of Cadmium, Lead and Mercury in Raw Bovine, Ovine, Caprine, Buffalo and Camel Milk

Parsaei¹,

Rahimi²,

Shakerian³

2019

Pol. J. Environ. Stud.

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Toxic heavy metals and especially lead (Pb), cadmium (Cd) and mercury (Hg) can easily transmit to humans through consumption of contaminated milk. The present research was done to study the concentrations of Pb, Cd and Hg in different types of milk samples. In total, 1100 bovine, ovine, caprine, buffalo and camel raw milk samples were collected in different regions of Iran and analyzed to determine concentrations of Pb, Cd and Hg by a graphite furnace atomic absorption spectrometric method. The mean recoveries of the analytical method were 88%, 93%, and 96%, for Hg, Cd and Pb, respectively. The mean Cd, Pb and Hg contents obtained from 1100 samples were 3.62±0.35 ppb (range: 0.06-14.03 ppb), 11.73±1.09 ppb (range: 0.12-33.62 ppb) and 4.35±0.42 ppb (range: 1.03-10.38 ppb), respectively. The highest concentrations of Cd, Pb and Hg were found in raw bovine samples (4.05±0.38, 12.36±1.21 and 5.76±0.53 ppb, respectively), while raw camel milk harbored the lowest concentrations of heavy metals. Milk of 5≤ year-old animals had the highest concentrations of Cd, Pb and Hg. Milk samples of all studied animals collected in spring had the highest concentrations of Cd, Pb and Hg heavy metals (P<0.05). The mean concentrations of Cd and Hg heavy metals were lower than the allowed limits announced by the standard organizations, while those of Pb were higher. These results highlight the importance of periodically monitoring levels of Cd, Pb and Hg heavy metals in milk of bovine, ovine, caprine, buffalo and camel-especially in spring and summer seasons and also in 5≤ year-old animals in Iran.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Concentrations of Cadmium, Lead and Mercury in Raw Bovine, Ovine, Caprine, Buffalo and Camel Milk

Parsaei¹,

Rahimi²,

Shakerian³

2019

Pol. J. Environ. Stud.

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“…The presence of Cu residues in milk can occur from different sources as animal feed,water with high Cu content, or from Cu bearing and Cu alloys used in some equipments (Mitchell, 1981). Table (2) cleared that only raw cows' milk samples have no samples exceeded the standards for Cu according to Anonymous, (1998), while other samples exceeded it with different percentages varied from 65 -80%.Nearly similar percentages were detected by (Babu et al,218),while higher percentages were recorded by (Ismail et al, 2017). Other authors detected lower results (Puls, 1994).…”

Section: Sample Analysismentioning

confidence: 87%

Heavy metal residues and health risk assessment in raw milk and dairy products with a trail for removal of copper residues.

Abdelfatah

Mansour

Ahmed

et al. 2019

Benha Veterinary Medical Journal

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A B S T R A C TThis study was conducted to determine the residues of Lead (Pb), Cadmium (Cd), and Copper (Cu) in different types of raw milk and dairy products, and to estimate the dietary intake of such metals, as well as to evaluate the potential health hazards of these metals to peoplethrough consuming milk and dairy products. On the other hand, we made a trial to remove copper residues using the adsorption properties of the resin. Therefore, a total of 120 random samples of milk and dairy products, including 80 samples of raw milk of different species from different dairy shops, and farms in Sharkia Governorate, Egypt, in addition to 20 samples for each of UHT milk and Kariesh cheese, werecollected. Pb and Cu residues in the examined samples ranged from 1.85-2.78, 0.009-0.81ppm respectively, while Cd was detected only in raw goats' milk and kariesh cheese samples.Moreover, it is worth clarifying thatPb recorded the highest levels in the examined samples since most of the samples were over the permissible level of 0.1 mg/kg established by Egyptian Standard. Human health risk associated with consuming milk and other examined dairy products was identified using Target Health Quotient (THQ) showed that Pb is the most dangerous element measured in these products as its value was more than one in mostof the samples. In the present study, the performance of IMAC HP resin was assessedfor the firsttime for removal of Cu ions from artificially contaminated raw cows' milk, although it is used extensively to purify water from heavy metals. It was noticed that the removal efficiency of Cu ions increased with higher resin concentration, and increasing time, as the maximum removal percent (76.89%) was achieved by using 0.8 g/L. IMAC HP resin after 45 min. Finally, it was concluded that this type of resin is suitable for the adsorption of Cu ions from artificially contaminated raw milk.

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Validating the preeminence of biochemical properties of camel over cow and goat milk during the Covid‐19

AL‐Saffar

2022

Food Science & Nutrition

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In the light of the Covid‐19 pandemic outbreak, and the need‐of‐the‐hour to boost immunity to residents, especially those residing in an arid environment, a comparative study was made on the physical and biochemical properties of dairy milk. This novel study in Kuwait revealed the lesser consumed pseudoruminant camel milk as a better potential source of dietary inclusion and an immune booster over true ruminants—cow's and goat's milk. Analysis using a wide array of instruments determining the physical characteristics in camel's milk (pH, conductivity, specific gravity, moisture, and total solids), biochemical constituents (crude protein (CP), nonprotein (NP), and fat), and inorganic constituents (K‐919; Ca‐907; Zn‐4.2 mg/100 mg) revealed conducive properties that validate immunity to consumers when compared to the regularly used cow's milk (K‐841; Ca‐776; Zn‐2.43 mg/100 mg) and goat's milk (K‐914; Ca‐849; Zn‐2.45 mg/100 mg). Log‐transformed results revealed high vitamin C in camel's milk (0.42 mg/100 g), indicating high antioxidant properties compared to those of goat's milk (0.12 mg/100 g) and cow's milk (0.04 mg/100 g). Statistical tests by analysis of variance (ANOVA) revealed significant differences and the correlation coefficient between the three milk samples validating the multiple reasons to use camel's milk over the cow's and goat's milk. Furthermore, this study recommends the consumption of camel's milk due to its low concentrations of contaminants as well, their status below permissible limits in Kuwait, set by global standards over the other sampled milks.

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Heavy metals in milk: global prevalence and health risk assessment

Cited by 50 publications

References 76 publications

Concentrations of Cadmium, Lead and Mercury in Raw Bovine, Ovine, Caprine, Buffalo and Camel Milk

Concentrations of Cadmium, Lead and Mercury in Raw Bovine, Ovine, Caprine, Buffalo and Camel Milk

Heavy metal residues and health risk assessment in raw milk and dairy products with a trail for removal of copper residues.

Validating the preeminence of biochemical properties of camel over cow and goat milk during the Covid‐19

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