Effects of soaking, acidity and temperature on cadmium and lead removal from rice
المؤلف | Al-Naimi M. |
المؤلف | Al-Ghouti M.A. |
تاريخ الإتاحة | 2022-05-31T19:01:16Z |
تاريخ النشر | 2020 |
اسم المنشور | Food Chemistry |
المصدر | Scopus |
المعرّف | http://dx.doi.org/10.1016/j.foodchem.2019.125591 |
الملخص | In this research, effect of soaking time, acidity and temperature on the removal of lead and cadmium from rice was investigated. Different rice treatments were involved i.e. three soaking times (0, 15, and 30 min), three temperatures (20, 25, and 30 �C) and four concentrations of glacial acetic acid (0.5%, 1%, 2%, and 3%). Results showed that few samples have shown lead concentrations above the maximum limit set by the World Health Organization (WHO) and the UN Food and Agriculture Organization (FAO) of 0.2 mg/kg, whereas, all cadmium concentrations were below the limit of 0.4 mg/kg. A decrease in lead and cadmium concentrations were observed with increasing time of soaking. Lead had the lowest concentration at 20 �C, while cadmium had the lowest concentration at 30 �C. Cadmium concentration decreased with increasing water acidity, while the lead concentration reached the lowest concentration with 1% acidity. |
اللغة | en |
الناشر | Elsevier Ltd |
الموضوع | Inductively coupled plasma optical emission spectrometry (ICP-OES) Sample preparation Toxic elements White and brown rice |
النوع | Article |
رقم المجلد | 310 |
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