Table 1. Fit parameters of polyphenol–mucin binding isotherms.
| Ligand [polyphenol] | BC50 [nmol/L]* | α* |
|---|---|---|
| (-)-epicatechin (EC) | 1720 (± 60) | 1.11 (± 0.06) |
| (-)-epigallocatechin (EGC) | 1520 (± 50) | 1.93 (± 0.15) |
| (-)-epicatechin gallate (ECG) | 271 (± 7) | 1.48 (± 0.06) |
| (-)-epigallocatechin gallate (EGCG) | 238 (± 6) | 1.40 (± 0.05) |
| methyl gallate | 4200 (± 500) | 0.63 (± 0.05) |
| rutin | 4450 (± 80) | 1.51 (± 0.06) |
Fitted half-maximum binding constants (BC50) and shape parameters α describing the binding interaction of structurally related polyphenols with salivary mucin. The error of the fit parameters is indicated.
*Parameters were fitted with the Gnuplot software (Version 5.0).