Pithecellobium jiringa legume flour for potential food applications: Studies on their physico-chemical and functional properties |
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Authors: | Ashuwini Sridaran Alias A Karim Rajeev Bhat |
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Affiliation: | Food Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia |
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Abstract: | Jering seeds are traditionally consumed as a legume in South-East Asia. In the present study, we evaluated the physico-chemical, functional and cooking properties of jering seed flour with a major aim to popularise this seed for development of new food products. The seed flour had high moisture (58.55%) and crude protein contents (14.19%). Results on the functional properties revealed significant differences in the protein solubility, which showed a decrease from pH 2 to pH 4, with high water absorption (2.83 ml/g) and oil absorption (1.83 ml/g) capacities. The emulsifying activity and stability of the seed flour was highest at 0.4 M (26.27% and 75.75%, respectively). Addition of carbohydrates (lactose, maltose and sucrose) decreased the least gelation capacity. Results of this study showed functional properties of jering seed flour to be dependent on the concentration, pH and ionic strengths, which can be suitably modified for development of new food products. |
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