Measurement and analysis of mineral and heavy metal components in grape cultivars by inductively coupled plasma-optical emission spectrometer (ICP-OES) |
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Authors: | Feng-Mei Zhu Bin Du Feng-Ying Li Jian-Cai Zhang Jun Li |
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Affiliation: | 1. School of Food Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao, 066600, People??s Republic of China 2. Analysis and Testing Center, Hebei Normal University of Science and Technology, Qinhuangdao, 066600, People??s Republic of China
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Abstract: | Mineral and heavy metal in grape flesh of different cultivars were measured by inductively coupled plasma-optical emission spectrometer. Eight grape varieties including four wine grapes (Cabernet Sauvignon, Cabernet Franc, Merlot, Cabernet Gernischt) and four table grapes (Muscat, Red Globe, Vitis labruscana Kyoho, Milk grape) from China??s main grape planting region, Changli, Hebei province were investigated. Concentrations of calcium (Ca), cadmium (Cd), chromium (Cr), copper (Cu), iron (Fe), potassium (K), magnesium (Mg), manganese (Mn), sodium (Na), nickel (Ni), lead (Pb) and zinc (Zn) were measured. All the parameters investigated in this study significantly changed depending on the cultivar. The minor and heavy metal levels for grape were determined between 5.68 and 15.11?mg/kg Cr, 6.56 and 19.85?mg/kg Cu, 96.79 and 172.15?mg/kg Fe, 6.54 and 25.23?mg/kg Mn, 3.70 and 5.89?mg/kg Ni, 0 and 1.64?mg/kg Pb and 4.29 and 13.44?mg/kg Zn. K ranged from 7,622.87 to 15,276.51?mg/kg and Na concentration ranged from 8,932.82 to 54,343.4?mg/kg. Cadmium was not detected at all. |
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