Effect of Alcalase Modification of Yellow Lupin (Lupinus luteus L.) Protein Isolate on Some Functional Properties and Antioxidant Activity

Table 1

Relative content (%) of protein fractions in lupin protein preparations (results of SDS-PAGE).

Molecular weight (kDa)	Protein content (%)
	LPI	H-30	H-60	H-120
>200	3.1	10.3	0.3	2.0
74-100	1.6	0.0	0.0	0.0
42-66	30.7	13.3	17.8	10.0	Acidic subunits of α conglutin, HMW subunits of β conglutin
34-40	16.0	0.0	0.0	0.0	IMW subunits of β conglutin
26-34	8.8	0.3	1.1	0.0	IMW subunits of β conglutin, large subunits of γ-conglutin
20-22	16.3	0.5	6.8	4.7	Basic subunits of α conglutin
18-20	6.4	1.3	0.0	0.0	LMW subunits of β conglutin
<15	17.0	74.4	74.0	83.3	Subunits of δ conglutin and products of hydrolysis