Photoprotective Activity of some Mexican Plants - Natural Antioxidants and Biocides from Wild Medicinal Plants - page 260

(a) Without protection

10

y = -0.8276x + 7.4006
R 2 = 0.93632

8

6

4

2

0

0 2 4 6 8 10 12

-2

Time (min)

(b) Extract protection

10

8

6

4

2

0

0 10 20 30

Time (min)

40 50 60 70

OMC B. perfoliata B. scordioides Y. periculosa

(c) Compound protection

10
8
6
4
2

0

0 50 100 150 200 250 300

Time (min)
Linarin acetate OMC

Naringenin

Linarin Verbascoside

Resveratrol MS

Fig. 17.3. Protective effect against UVB-induced cell death of E. coli. (a) Without protection (K = 0.82,
R 2 = 0.93). (b) Extracts and OMC protection. (c) Compound protection. MS: trans -3,3 ′ ,5,5 ′ -tetrahydroxy-4-
methoxystilbene; OMC: Octyl- p -methoxy- trans -cinnamate.