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Table 1 Absorbances of residual AF from hydroalcoholic extract of Sanionia uncinata and the spectrophotometrically calculated SPF

From: Evaluation of the acute toxicity, phototoxicity and embryotoxicity of a residual aqueous fraction from extract of the Antarctic moss Sanionia uncinata

(nm)

AF

AF plus UV-filters

BP-3

MBC

OMC

OCT

290

0.33 ± 0.03

2.40 ± 0.14

2.57 ± 0.04

2.32 ± 0.07

2.59 ± 0.12

295

0.30 ± 0.03

2.16 ± 0.14

2.72 ± 0.04

2.41 ± 0.07

2.67 ± 0.12

300

0.27 ± 0.03

1.90 ± 0.13

2.75 ± 0.04

2.44 ± 0.07

2.70 ± 0.12

305

0.24 ± 0.02

1.72 ± 0.12

2.64 ± 0.03

2.47 ± 0.07

2.66 ± 0.12

310

0.22 ± 0.02

1.64 ± 0.11

2.45 ± 0.03

2.52 ± 0.07

2.60 ± 0.12

315

0.20 ± 0.02

1.63 ± 0.10

2.13 ± 0.03

2.40 ± 0.07

2.45 ± 0.12

320

0.19 ± 0.02

1.63 ± 0.10

1.70 ± 0.02

2.14 ± 0.06

2.25 ± 0.11

SPF

2.5 ± 0.3

18.0 ± 1.2*

25.8 ± 0.3

24.5 ± 0.7*

26.4 ± 1.2

  1. Sun Protection Factor (SPF) of UV-filters: benzophenone-3, BP-3 (12.3 ± 0.9); 3-(4-methylbenzylidene)-camphor MBC (24.8 ± 1.4); octyl-methoxycinnamate, OMC (17.6 ± 0.8); and octocrylene, OCT (22.6 ± 0.1); AF: aqueous fraction; *Synergistic effect compared to the respective UV-filters (P < 0.05, t-Student)