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Abstract
Pomegranate (Punica granatum) peel is rich source of dietary fiber and bioactive compounds, hence could be used in the development of functional food formulations. Attempt was made to see the effect of dried pomegranate peel powder (DPPP) and emulsifiers on the rheological, nutritional and quality characteristics of biscuits. Incorporation of DPPP from 0 to 10% increased farinograph water absorption, decreased dough stability, increased amylograph pasting temperature and peak viscosity of wheat flour; increased hardness and decreased cohesiveness of biscuit dough; decreased spread ratio and increased breaking strength of biscuits. Sensory evaluation showed that biscuits incorporated with 7.5% DPPP were acceptable. Among emulsifiers, sodium stearoyl lactylate significantly improved the quality characteristics of 7.5% DPPP incorporated biscuits. Addition of 7.5% DPPP increased the protein, dietary fibre, minerals, anti-oxidant activity and β-carotene contents of biscuits. The studies indicated the possibility of utilizing DPPP to improve the nutritional characteristics of biscuits.
Acknowledgements
The authors thank Heads of Human Resource Development and Flour Milling, Baking and Confectionery Technology departments and Director, CSIR-CFTRI for their constant help and support rendered during the course of the above work.