“…For instance, the overall concentration (g/L) of minerals in whey, acidified with acid and rennet ranged from 2.5 to 4.7 and 4.3–7.2 respectively ( Guo & Wang, 2019 ). The recommended daily intake (RDI) of Cu was 0.013 mg Cu/kg/day, where the acceptable limit of lead (Pb) for human consumption given by EU Regulation 1881/2006 is 0.02 mg/kg w/w ( Evgenakis, Christophoridis, & Fytianos, 2018 ). The estimated typical dietary intake of arsenic (As) and cadmium (Cd) for adults (25–30 years) were approximately 9.9 μg/day and 2.3 μg/kg body weight respectively ( Bandara, Towle, & Monnot, 2020 ).…”