Assessment of heavy metals in calcium carbide treated mangoes by inductively coupled plasma-mass spectrometry (ICP-MS)

S. Hassan, Wardah Mazhar, Sabiha Farooq, Arslan Ali, S. Musharraf
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引用次数: 7

Abstract

ABSTRACT Calcium carbide (CaC2) is widely used as the low price artificial ripening agent of fruits. It may contain traces of heavy metals which can make fruits harmful for human consumption. This study aimed to assess heavy metals present in commercial-grade CaC2 and subsequently their quantification in mango peels for the identification of possible marker elements as an indicator of CaC2 ripening. Samples were prepared by using microwave-assisted digestion followed by multi-elemental quantitative analysis using inductively coupled plasma-mass spectrometry (ICP-MS). In commercial grade CaC2 samples, the concentrations of analysed metals were found to be in the range of 0.6–540.92 µg/g with given order Fe>Zn>Mn>Cr>Pb>Cu>Ag>As>Ni>Co>Cd. The CaC2-treated mango peels showed elevated levels of Fe, Co, As, and Pb in comparison to untreated mango peels (p < 0.05). Graphical Abstract
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电感耦合等离子体质谱法(ICP-MS)测定电石处理芒果中重金属
电石(CaC2)作为廉价的水果人工催熟剂被广泛应用。它可能含有微量的重金属,这些重金属会使水果对人体有害。本研究旨在评估商业级CaC2中存在的重金属,并随后在芒果皮中对其进行量化,以鉴定可能作为CaC2成熟指标的标记元素。样品采用微波消解法制备,电感耦合等离子体质谱法(ICP-MS)进行多元素定量分析。在商品级CaC2样品中,所分析的金属浓度范围为0.6-540.92 μ g/g,顺序为Fe>Zn>Mn>Cr>Pb>Cu>Ag>As>Ni>Co>Cd。与未处理芒果皮相比,cac2处理芒果皮的铁、钴、砷和铅水平均有所升高(p < 0.05)。图形抽象
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