2023
DOI: 10.3390/foods12081561
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Molecular Interaction Mechanism and Preservative Effect of Lactone Sophorolipid and Lactoferrin/β-Lactoglobulin Systems

Abstract: Multispectral and molecular docking methods were used to study the interaction mode and mechanism of two important components of whey proteins, lactoferrin (LF) and β-lactoglobulin (β-LG), and of a lactone sophorolipid (LSL) mixed system. The preservation effect of the mixed system on milk was also studied and compared. The results showed that the quenching mechanism of LSL on both β-LG and LF was static, but that the non-covalent complexes formed were the result of the different interacting forces: hydrogen b… Show more

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“…The absorption of BLG at 282 nm steadily increased with increasing AMA concentration, which is a result of the formation of a complex between BLG and AMA. This complex exposes the Trp and Tyr residues to the external environment, which is favorable for the π-π* transition of Trp and Tyr residues (13) . A significant change was observed in the absorption maxima of beta-lactoglobulin (BLG), leading to a 5 nm shift towards the blue end of the spectrum.…”
Section: Absorption Spectral Studymentioning
confidence: 99%
“…The absorption of BLG at 282 nm steadily increased with increasing AMA concentration, which is a result of the formation of a complex between BLG and AMA. This complex exposes the Trp and Tyr residues to the external environment, which is favorable for the π-π* transition of Trp and Tyr residues (13) . A significant change was observed in the absorption maxima of beta-lactoglobulin (BLG), leading to a 5 nm shift towards the blue end of the spectrum.…”
Section: Absorption Spectral Studymentioning
confidence: 99%