Table 1 Water absorption index (WAI)1 and water solubility index (WSI)1 of faba bean protein concentrate (FBC) and FBC-anionic gum mixtures

Sample Anionic gum addition (%, based on dry FBC weight) WAI (g/g) WSI (%, d.b)

FBC - 1.8±0.2ef 36.0±0.1e

FBC-NaA2 5 2.0±0.1de 37.9±0.0bc
10 1.9±0.1def 38.4±0.4b
20 1.5±0.4f 26.5±0.2g

FBC-LMA2 5 1.6±0.1ef 37.2±0.1cd
10 1.7±0.0ef 36.9±0.2cde
20 1.5±0.1f 34.6±0.4f

FBC-λCA2 5 2.4±0.0cd 36.6±0.0de
10 4.8±0.1b 25.0±0.2h
20 5.5±0.0a 20.5±0.1i

FBC-GLG2 5 2.1±0.0de 37.9±0.7bc
10 2.7±0.4c 45.2±1.0a
20 N/D3 N/D3
1Mean values of three replicate measurements; Values sharing the same lowercase letters within columns are not significantly different at p<0.05.
2NaA, sodium alginate; LMA, low-methoxyl amidated pectin; λCA, λ-carrageenan; GLG, gellan gum.
3Not detected.