Skip to main content

Table 2 The binding constants and thermodynamic parameters of Cyanidin-3-O-arabinoside, Cyanidin-3-O-galactoside, Cyanidin-3-O-glucoside and Cyanidin-3-O-Xyloside at 297, 317 and 337 K

From: Evaluation of anthocyanins in Aronia melanocarpa/BSA binding by spectroscopic studies

Complexes T Ks (× 103 L mol−1) n ∆H (KJ mol−1) ∆G (KJ mol−1) ∆S (J mol−1· K)
Cyanidin 297 0.574 ± 0.023 0.9395 ± 0.0034 4.03 − 22.39 88.95623
-3-O- 317 0.412 ± 0.037 0.9754 ± 0.0044 4.03 − 24.59 90.28391
Arabinoside 337 0.398 ± 0.010 0.9489 ± 0.0058 4.03 − 25.98 89.05045
Cyanidin 297 0.484 ± 0.025 0.9195 ± 0.0054 20.47 − 21.63 86.39731
-3-O- 317 0.395 ± 0.011 0.9515 ± 0.0037 20.47 − 20.84 78.45426
Galactoside 337 0.308 ± 0.012 0.9354 ± 0.0014 20.47 − 25.14 86.55786
Cyanidin 297 0.425 ± 0.037 0.9153 ± 0.0022 11.56 − 24.22 95.11785
-3-O- 317 0.403 ± 0.033 0.9175 ± 0.0009 11.56 − 29.23 104.9211
Glucoside 337 0.399 ± 0.030 0.9612 ± 0.0074 11.56 − 21.78 76.58754
Cyanidin 297 0.521 ± 0.027 0.9265 ± 0.0085 9.81 − 28.47 109.4276
-3-O- 317 0.543 ± 0.026 0.8987 ± 0.0045 9.81 − 23.96 88.29653
Xyloside 337 0.537 ± 0.014 0.9024 ± 0.0049 9.81 − 25.51 87.65579