Table 2.
Filtering activity of synthesized derivatives at 3% in formulation pre- and post-irradiation.
| Before Irradiation | Post Irradiation | |||||||
|---|---|---|---|---|---|---|---|---|
| Compound | SPF | UVAPF0 | λc (nm) | UVA/UVB | SPF | UVAPF | λc (nm) | UVA/UVB |
| PBSA | 1.91 | 1.13 | 357 | 0.67 | 1.98 | 1.13 | 355 | 0.67 |
| Control | 0.94 | 0.98 | 290 | 1.02 | 0.94 | 0.98 | 290 | 1.02 |
| BZTidr1 | 1.48 | 1.37 | 374 | 1.00 | 1.42 | 1.42 | 372 | 1.00 |
| BZTidr2 | 1.85 | 1.96 | 386 | 1.09 | 1.85 | 1.96 | 386 | 1.09 |
| BZTidr3 | 1.31 | 1.44 | 387 | 1.11 | 1.31 | 1.41 | 387 | 1.11 |
| BZTidr4 | 1.53 | 1.65 | 389 | 1.05 | 1.63 | 1.64 | 389 | 1.05 |
| BZTidr5 | 1.60 | 1.58 | 387 | 1.06 | 1.60 | 1.56 | 387 | 1.06 |
| BZTidr6 | 1.24 | 1.36 | 389 | 1.06 | 1.24 | 1.36 | 389 | 1.06 |
| BZTcin1 | 1.74 | 1.38 | 370 | 0.93 | 2.33 | 1.48 | 364 | 0.93 |
| BZTcin2 | 12.26 | 11.79 | 380 | 1.49 | 11.77 | 10.08 | 377 | 1.49 |
| BZTcin3 | 1.32 | 1.38 | 384 | 1.07 | 1.32 | 1.36 | 384 | 1.07 |
| BZTcin4 | 9.70 | 11.40 | 380 | 1.39 | 8.43 | 10.63 | 380 | 1.39 |
| BZTcin5 | 3.84 | 3.61 | 378 | 1.11 | 3.51 | 3.32 | 377 | 1.11 |