Physicochemical and functional properties of protein concentrates from pulses
2013
Abstract The physicochemical and functional properties of protein concentrates from peas, lentils, navy beans, chickpeas, and defatted chickpeas were investigated. Protein concentrates were prepared using a laboratory wet milling procedure. Chemical composition and colour of the protein concentrates were significantly different among the various pulses. Functional properties of the chickpea protein concentrates, including water hydration capacity, foaming capacity, and emulsion capacity, were improved significantly after a defatting step was added prior to the fractionation process. Navy bean protein concentrate had the largest foaming capacity, whilst chickpea protein concentrates had the smallest. Protein concentrates from lentils had the most stable foams after 120 min, whilst those from chickpeas had the least stable foams. Navy bean protein concentrate also had the highest emulsion capacity, whilst pea protein concentrates had the poorest. Protein content of the protein concentrates was positively correlated, whilst the fat content was negatively correlated with foaming capacity (r = 0.663, p
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