The Hibiscus sabdariffa calyxes’ residue (HSR) remained after the extraction of beverage is discarded
which contributes to environmental pollution.The objective of this study was to explore
the suitability of incorporating different amount of HSR (0%, 1.25%, 2.5%, 3.75%, and 5.0%)
in crackers to enhance dietary fiber and antioxidant content. Physicochemical properties, antioxidants
activity, nutritional quality, sensory profile and microstructure properties of samples
containing HSR were examined and compared with control crackers. Cracker protein and fat
levels decreased as HSR increased from 0.0% to 5% while ash increased. The total dietary fiber
DF increased from 3.36% to 8.17% where the highest DF was reached at 5% HSR.