Research Article

Photoprotective Effect of the Plant Collaea argentina against Adverse Effects Induced by Photodynamic Therapy

Table 1

Photoprotection indexes of C. argentina against ALA-PDT in LM2 cells after 10 min of irradiation.

C. argentina 10 μg/mL20 μg/mL40 μg/mL70 μg/mL

Treatment A0,02 0,10 0,920,84
Treatment B0,02 0,04 0,25 0,59
Treatment C0,02 0,02 0,17 0,21
Treatment D0,02 0,02 0,06 0,03
Treatment E0,02 0,06 0,69 0,74

Photoprotective indexes of C. argentina were determined as the ratios between % cell viability after Treatment A and % cell viability after C. argentina dark exposure, that is, without irradiation.