A study was carried out to create a new product using watermelon flesh (sources of lycopene) and watermelon by-product, which was watermelon rind (sources of citrulline), into pastilles with different percentages of flesh and rind puree. The formulations involved were formulations A (70% flesh puree: 30% rind puree), B (50% flesh puree: 50% rind puree), and C (30% flesh puree: 70% rind puree). A commercial product was used as a reference in making the pastilles. The physical analyses that were carried out were pH, total soluble solids, water activity, colour analysis, and texture profile analysis (TPA). Chemical analysis that focused on lycopene determination, as well as sensory analyses, was also conducted. The pastilles produced had total soluble solids ranging from 41.44±0.68 to 49.03±1.49°Bx, and pH values measured at 2.52±0.09 to 2.54±0.17, which indicated an acidic aftertaste. Water activity was evaluated to be between 0.72±0.01 to 0.73±0.03, which signified the pastilles were safe to consume. The colour analysis for the L* value, a* value, and b* value was 36.84±1.48, 13.07±2.70, and 11.89±1.61, respectively, which indicated the yellowish-red colour of the pastilles. Formulation A had the highest lycopene value (0.197±0.01) as compared to the other formulations. The pastilles were successfully developed in seashell shapes with diameters of 2.74–2.76 cm and about 2.52–2.80 g in weight. The sensory evaluation showed that the pastilles from formulation B were more acceptable in terms of taste, appearance, and overall acceptability, followed by formulation A, and the least preferred was formulation C.
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