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Table 2 Distribution of molecular weights of proteins and peptides of native and hydrolyzed soy protein isolate (SPI) according to size exclusion chromatography results

From: Investigation of enzymatic hydrolysis kinetics of soy protein isolate: laboratory and semi-industrial scale

Range of molecular weights, kDa Native SPI, % SPI hydrolysate, %
< 1 1.7 5.5
1–3.5 2.8 24.7
3.5–6.5 0.6 15
6.5–12.5 2.4 32
12.5–17.6 0.5 1.9
17.6–20.1 1.7 3.7
20.1–26 2.1 5.7
> 26 88.2 11.6