Phytate, zinc, iron and calcium content of common Bolivian food, and implications for mineral bioavailability

•The diet in rural areas in Bolivia is mainly based in plant-source food.•High concentrations of phytate were found in the most consumed food in Bolivia.•Quinoa has the highest concentration of minerals but also the highest of phytates.•Phytate levels inhibit zinc, iron, calcium absorption, shown by their molar ratios.