Abstract: This study describes the relationship between the two major trypsin inhibitors (TI) in soybean, i.e., the Kunitz (KTI) and Bowman-Birk (BBI) trypsin inhibitors, as well as between them and the corresponding trypsin inhibitor activity (TIA). Twelve investigated soybean genotypes showed significant differences in TI levels and TIA. A very strong positive correlation was found between the levels of KTI and total BBI (r = 0.94, P < 0.05). No relationship was found between KTI, BBI or total TI and TIA. Based on this data, it appears that the levels of major TI in soybean are related. Understanding the relationship between trypsin inhibitors and their activities could be useful for further improvement of the health impacts of soy proteins.
Keywords: Bowman-Birk trypsin inhibitor; Kuniz trypsin inhibitor; trypsin inhibitor activity; soybean genotypes.
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Pesic, M.B.; Vucelic-Radovic, B.V.; Barac, M.B.; Stanojevic, S.P.; Nedovic, V.A. Influence of Different Genotypes on Trypsin Inhibitor Levels and Activity in Soybeans. Sensors 2007, 7, 67-74.
Pesic MB, Vucelic-Radovic BV, Barac MB, Stanojevic SP, Nedovic VA. Influence of Different Genotypes on Trypsin Inhibitor Levels and Activity in Soybeans. Sensors. 2007; 7(1):67-74.
Pesic, Mirjana B.; Vucelic-Radovic, Biljana V.; Barac, Miroljub B.; Stanojevic, Sladjana P.; Nedovic, Viktor A. 2007. "Influence of Different Genotypes on Trypsin Inhibitor Levels and Activity in Soybeans." Sensors 7, no. 1: 67-74.