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Article

Determination of Macroelements, Transition Elements, and Anionic Contents of Commercial Roasted Ground Coffee Available in Jordanian Markets

1
Department of Medical Support, Al-Balqa Applied University, Al-Karak University College, Al-Karak 61710, Jordan
2
Department of Nutrition and Food Processing, Faculty of Agricultural Technology, Al-Balqa Applied University, P.O.Box 206, Al-Salt 19117, Jordan
3
Medical Support Department, Faculty of Karak College, Al-Balqa Applied University, Al-Salt 19117, Jordan
4
Department of Medical Laboratory Sciences, Mutah University, Mutah, Al-Karak 61710, Jordan
*
Author to whom correspondence should be addressed.
Received: 23 December 2019 / Revised: 10 February 2020 / Accepted: 2 March 2020 / Published: 9 March 2020
(This article belongs to the Special Issue Chemical Contaminants and Residues in Beverages)
Coffee is one of the most common drinks worldwide. Due to the variability of elements composition, coffee is important for human health. The aim of this study is to assess the concentration of certain selected elements of commercial samples of roasted ground coffee available in Jordanian markets. The concentrations of macroelement components (sodium, potassium, and calcium), transition elements (lead, cadmium, iron, nickel, and copper), and anion contents (sulfate, nitrate, fluoride, chloride, and phosphate ions) have been determined in nine samples using atomic absorption spectroscopy. Obtained results showed that all tested samples contain macroelementscalcium, sodium, and potassium, in a concentration ranging from 6.18 to 162.6 μg/gram of dry weight (in detail: calcium, 6.96–9.81 μg/g; sodium, 121.54–162.60 μg/g; potassium, 6.18–10.23 μg/g). Regarding transition elements, all samples tested contained variable concentrations of iron and copper (1.26–2.07 and 0.24–0.66 μg/g, respectively), while they lacked lead, cadmium, and nickel (only one sample contained 0.1 μg/g for nickel). In addition, all tested samples contained variable anionic concentrations. The lack of toxic selected elements (lead, cadmium, and nickel) in these samples appears to indicate the significance of these coffee samples as a source of useful selected elements for human health. View Full-Text
Keywords: anions; macroelements; Jordan; roasted coffee; transition elements anions; macroelements; Jordan; roasted coffee; transition elements
MDPI and ACS Style

Al-Dalain, S.Y.; Haddad, M.A.; Parisi, S.; Al-Tarawneh, M.A.; Qaralleh, H. Determination of Macroelements, Transition Elements, and Anionic Contents of Commercial Roasted Ground Coffee Available in Jordanian Markets. Beverages 2020, 6, 16. https://0-doi-org.brum.beds.ac.uk/10.3390/beverages6010016

AMA Style

Al-Dalain SY, Haddad MA, Parisi S, Al-Tarawneh MA, Qaralleh H. Determination of Macroelements, Transition Elements, and Anionic Contents of Commercial Roasted Ground Coffee Available in Jordanian Markets. Beverages. 2020; 6(1):16. https://0-doi-org.brum.beds.ac.uk/10.3390/beverages6010016

Chicago/Turabian Style

Al-Dalain, Sati Y., Moawiya A. Haddad, Salvatore Parisi, Mousa A. Al-Tarawneh, and Haitham Qaralleh. 2020. "Determination of Macroelements, Transition Elements, and Anionic Contents of Commercial Roasted Ground Coffee Available in Jordanian Markets" Beverages 6, no. 1: 16. https://0-doi-org.brum.beds.ac.uk/10.3390/beverages6010016

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