scholarly journals Discrimination of Tunisian Honey by Mineral and Trace Element Chemometrics Profiling

Foods ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 724
Author(s):  
Giuseppa Di Bella ◽  
Angela Giorgia Potortì ◽  
Asma Beltifa ◽  
Hedi Ben Mansour ◽  
Vincenzo Nava ◽  
...  

The concentrations of 19 chemical elements have been determined in 36 honey samples of different botanical (wildflower, eucalyptus, eucalyptus red flowers, prickly pears, lemon blossom, thyme, almond, rosemary and jujube) honeys from the three geographical areas of Tunisia (Sidi Bouzid, Nabeul and Sfax) using inductively coupled plasma mass spectrometry (ICP-MS). The aim of this work was to use the multielement analysis together with chemometric tools to verify the botanical and the geographical origin of honeys. The correlation on the basis of mineral element content between the honey samples and their botanical and/or geographical origins was in some measure achieved. The data collected on the samples were also used to evaluate the nutritional quality and the potential health risks associated with elements via consumption of the Tunisian honey. According to the results obtained, the intake of essential elements was small, and the potential health risks associated with toxic or potentially toxic elements via consumption of this food were overall insignificant.

2019 ◽  
Vol 2019 ◽  
pp. 1-5
Author(s):  
Eid I. Brima

In terms of nutrition, dates are an important commodity because they are a source of carbohydrates and minerals. Saudi Arabia is the second largest producer of dates worldwide. Khalas is the tenth most popular date type in the Kingdom of Saudi Arabia (KSA), but only limited information related to the levels of essential nutrients in Khalas dates is available. The concentrations of Mn, Cu, Zn, and Se were determined using inductively coupled plasma-mass spectrometry (ICP-MS). The average concentrations in wet weight were as follows (mg/kg): Mn (2.90 ± 0.54), Cu (1.78 ± 0.64), Zn (1.72 ± 0.42), and Se (0.10 ± 0.06). The calculated intakes (μg/kg bw day) per 100 g dates for each element were as follows: Mn (4.14), Cu (2.54), Zn (2.46), and Se (0.14), which represent 0.14%, 0.51%, 0.25%, and 0.2%, respectively, of the provisional maximum tolerable daily intake (PMTDI) recommended by the EFSA/WHO. It was found that levels of the analysed essential elements in up to 100 g of Khalas dates do not exceed the level set by the EFSA/WHO.


Minerals ◽  
2019 ◽  
Vol 9 (6) ◽  
pp. 357 ◽  
Author(s):  
Stefanos Karampelas ◽  
Fatima Mohamed ◽  
Hasan Abdulla ◽  
Fatema Almahmood ◽  
Latifa Flamarzi ◽  
...  

The present study applied Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS) on a large number of natural and cultured pearls from saltwater and freshwater environments, which revealed that freshwater (natural and cultured) pearls contain relatively higher quantities of manganese (Mn) and barium (Ba) and lower sodium (Na), magnesium (Mg) and strontium (Sr) than saltwater (natural and cultured) pearls. A few correlations between the host animal’s species and chemical elements were found; some samples from Pinctada maxima (P. maxima) are the only studied saltwater samples with 55Mn >20 ppmw, while some P. radiata are the only studied saltwater samples with 24Mg <65 ppmw and some of the P. imbricata are the only studied saltwater samples with 137Ba >4.5 ppmw. X-ray luminescence reactions of the studied samples has confirmed a correlation between its yellow-green intensity and manganese content in aragonite, where the higher Mn2+ content, the more intense the yellow-green luminescence becomes. Luminescence intensity in some cases is lower even if manganese increases, either because of pigments or because of manganese self-quenching. X-ray luminescence can be applied in most cases to separate saltwater from freshwater samples; only samples with low manganese content (55Mn <50 ppmw) might be challenging to identify. One of the studied natural freshwater pearls contained vaterite sections which react by turning orange under X-ray due to a different coordination of Mn2+ in vaterite than that in aragonite.


2018 ◽  
Vol 69 (1) ◽  
pp. 55-60
Author(s):  
Aleksandar R. Popović ◽  
Dubravka J. Relić ◽  
Danijela V. Vranić ◽  
Jelena A. Babić-Milijašević ◽  
Lato L. Pezo ◽  
...  

Abstract The aim of this study was to determine the levels of Zn, Cu, and Fe in three canned fish species marketed Serbia to see if they meet recommended daily intake requirements or exceed safety limits. We collected a total of 207 samples of canned tuna, sardine, and mackerel, in oil or tomato sauce and analysed them with inductively coupled plasma mass spectrometry (ICP-MS) after acid digestion. The highest levels were obtained for Zn (15.1 mg kg-1) and Cu (1.37 mg kg-1) in sardine in oil and tomato sauce, respectively, and for Fe (18.98 mg kg-1) in mackerel in tomato sauce. Our results keep within the ranges reported by several national food databases and available literature data, with a few exceptions. Our findings also single out canned sardines as the richest source of the three essential elements combined. The estimated daily intake (EDI) of the three essential elements, however, was subpar, and ranged between 0.14 % and 0.72 % of the recommended dietary allowance (RDA) for Zn, Cu, and Fe.


2020 ◽  
Vol 5 (6) ◽  

Cell line-based research is a valuable tool for the study of cancer physiopathology and the discovery of new drugs for use in clinical practice. In this study, inductively coupled plasma mass spectrometry (ICP-MS) was used to estimate Ca, Co, Cu, Fe, K, Mg, Mn, Na, P, S, Se, and Zn in epithelial tubular cells (HK-2) and kidney tumor cells (Caki-1 cells). The most relevant difference was a decrease in the contents of Ca, Cu, Fe, K, Mg, Mn, Na, P, S, and Zn. A significant accumulation of Co was also detected in Caki-1 cells. The fold change variation of each element concentration between HK-2 and Caki-1 cells was Ca (‒0.40), Co (1.37), Cu (‒0.68), Fe (‒0.56), K (‒0.40), Mg (‒0.41), Mn (-0.54), Na (‒0.33), P (‒0.31), S (‒0.26), and Zn (‒0.73). These findings indicate that the elements mainly affect the metabolic pathways of epithelial kidney cells. Thus, our findings open a new avenue for RCC target therapy.


2021 ◽  
Vol 74 (7) ◽  
pp. 1587-1594
Author(s):  
Katarzyna Tomczyk ◽  
Grzegorz Dziubanek ◽  
Anna Kowalska ◽  
Iwona Szymala ◽  
Beata Łabuz-Roszak

The aim: The study aimed to assess the content of selected toxic compounds in mineral and spring waters available on the Polish market regarding potential health risks to consumers. Materials and methods: Selected mineral and spring waters available on the Polish market were the study’s objects. The content of such chemical compounds as arsenic, cadmium, lead, copper, and mercury in selected mineral and spring waters was analyzed. The content of metals in the samples was determined by inductively coupled plasma mass spectrometry (ICP-MS). Additionally, a literature review was performed to determine nitrates contamination of bottled waters available on the Polish market. Based on the collected data, an assessment of exposure and health risk to consumers was performed. Results: Arsenic had the highest mean concentration in the analyzed water samples. Consumption of such contaminated waters may be a significant health risk factor for consumers. Literature data indicate a relatively low content of nitrates in bottled waters available on the Polish market. Consumption of such mineral waters is not a significant source of exposure and does not translate into a significant health risk for consumers. Conclusions: To ensure consumers’ health safety, there is a need to monitor the content of potentially harmful compounds in mineral and spring waters available on the Polish market.


2020 ◽  
Vol 12 (16) ◽  
pp. 2102-2113 ◽  
Author(s):  
Bruna Moreira Freire ◽  
Vivian da Silva Santos ◽  
Pericles de Carvalho Ferreira Neves ◽  
Juliana Maria Oliveira Souza Reis ◽  
Samuel Simião de Souza ◽  
...  

Toxic elements, essential elements and other elements were determined in Brazilian rice by inductively coupled plasma-mass spectrometry (ICP-MS). A method for As speciation using hydride generation was developed and applied in rice samples.


2012 ◽  
Vol 84 (2) ◽  
pp. 181-190 ◽  
Author(s):  
Rola Bou Khouzam ◽  
Pawel Pohl ◽  
Baydaa Al Ayoubi ◽  
Farouk Jaber ◽  
Ryszard Lobinski

Concentrations of 20 minor, trace, and ultratrace elements relevant to human health (Ag, Al, As, Cd, Co, Cr, Cu, Fe, Hg, Li, Mn, Mo, Ni, Pb, Sb, Se, Si, Sn, V, and Zn) were determined in three varieties of Lebanese bread (white and brown double loaf bread, Saj bread) sampled at five geographical regions (Grand Beirut, South of Lebanon, North of Lebanon, Mount of Lebanon, and Beka’a) during the wet and dry seasons. The analyses were carried out by double-focusing sector-field inductively coupled plasma-mass spectrometry (DF-SF-ICP-MS). The data were discussed in terms of nutritional elements supplied by type of bread, the risk of contamination by toxic elements (As, Cd, Pb) owing to the manufacturing process, and variations related to geographic distribution and seasonal sampling.


2020 ◽  
Vol 32 (12) ◽  
pp. 2971-2976
Author(s):  
Amal M. Al-Mohaimeed ◽  
H.F.A. Al-Harbi

In this study, a simple analytical technique was established to determine the content of essential elements (K, P, Mg, Ca, Zn, and Cu) in four samples of Indian rice. The influence of soaking, washing, and cooking on the essential elements concentration was determined. Twenty samples employed in this study, were contained in closed vessels and subjected to microwave-assisted digestion. Six elements (K, P, Ca, Mg, Zn, and Cu) were analyzed and determined through inductively coupled plasma mass spectrometry (ICP-MS). In the analyzed elements, the concentration of potassium elements and phosphate was the highest and that of zinc and copper was the lowest. The low values of the limits of detection (LOD) and limits of quantification (LOQ) with a relative standard deviation (%RSD) of 0.2-3% were observed.


Sign in / Sign up

Export Citation Format

Share Document