From: Biocompatibility and radioprotection by newly characterized melanin pigment and its production from Dietzia schimae NM3 in optimized whey medium by response surface methodology
λ
Abs
290
0.005595
295
0.02737
300
0.08737
305
0.087523
310
0.043804
315
0.021814
320
0.004464
SPF = CF × λ × I[λ] × Abs[λ]
SPF = 10 × 1 × 2.022 = 20.22