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Abstract
The present study aims at highlighting the nutritive potential of pomegranate peel and its possible utilization as an ingredient of choice to nutritionally enrich cookies. Biochemical composition and free radical scavenging features of pomegranate peel powder (PoP) and PoP supplemented cookies were measured. PoP supplementation significantly (p < 0.05) improved dietary fibers (0.32–1.96 g/100 g), total phenols (90.7–161.9 mg GAE/100 g) and inorganic residues (0.53–0.76 g/100 g) of cookies. Similarly, significant increase in Ca, K, Fe and Zn levels was noted in supplemented cookies. Almost 50% 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity was recorded in cookies carrying highest concentration of PoP and phenolic contents. PoP phenolics of supplemented cookies were shown to reduce oxidative degradation during four months storage. Present study suggests PoP supplementation in baked products as a potential source of micro and macronutrients. Application of PoP in ready to serve foods seems to be a potential disease preventive and ameliorative approach in tandem with its preservation and nutritional enhancement features.
Acknowledgements
This work is a part of the Ph.D. studies of Mr. Tariq Ismail being carried out under the supervision of Dr. Saeed Akhtar, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan.