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. 2021 Dec 17;26(24):7650. doi: 10.3390/molecules26247650

Figure 2.

Figure 2

(A) Overlayed 1H NMR spectra of β-casein at pH 5.9 and temperature of 20 °C (purple), β-casein at pH 5.9 and temperature of 4 °C (blue), β-casein at pH 7.0 and temperature of 20 °C (green) and β-casein at pH 7.0 and temperature of 4 °C (red). (B) Overlayed TOCSY NMR spectra of β-casein at pH 7.0 (red) and β-casein at pH 5.9 (blue).