Development and analysis of bread fortified with calcium extracted from chicken eggshells of Pakistani market

Abstract Calcium fortification is usually achieved by employing wheat flour as the most frequently used vehicle. In this study, potential of calcium extraction from chicken eggshell and its utilization as a bread fortificant in straight grade flour (SGF) is investigated. In addition, the fortified and unfortified (control) flour samples were evaluated for nutrient composition and rheological properties. Results showed that addition of fortificant at different concentrations significantly (p<0.05) enhanced calcium content of fortified flour and it was considerably increased from 115.80 mg/kg (T...