Abstract
Faba bean flours (germinated, soaked, cooked and raw) were evaluated for physiochemical and functional properties. The flour samples exhibited considerable amounts of carbohydrates (58.79-66.19g/100g) and proteins (21.9-29.1g/100g). Soaked faba bean (SFB) (29.1g/100g) and raw faba bean (RFB) (25.70g/100g) flour contained significantly higher amount of protein than germinated faba bean (GFB) and pressure cooked faba bean (PCFB). The physicochemical and functional composition of GFB and PCFB were improved compare to raw flour. Physical and functional properties such as water absorption index (2.97g/g) and foaming stability (140.13mL/100mL) were increased by germination. The functional properties of pressure-cooked faba bean such as water solubility index (2.12g/100g) and water absorption capacity (2.02g/g) were higher than other flour samples. The microstructure of legume flour samples explained that the starch granules of raw flours were smooth, oval and granular structure whereas soaked, germinated and cooked flours showed damaged starch granules. The effect of soaking, germination and pressure-cooking demonstrated significant variations in functionals characteristics of faba bean flour. Therefore, various processing conditions can be combined to obtain the desired characteristics in faba bean-based food products.
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