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. 2022 Dec 17;11(24):4093. doi: 10.3390/foods11244093

Figure 5.

Figure 5

Total phenolic content (mg gallic acid equivalent GAE/100 g of dry weight D.W.) in wild rocket leaves as affected by interaction between greenhouse cover film (Film A: diffused light film; Film B: clear film; Film C: diffused light film with UV-B window) and UV-B applications (I: not treated with UV-B; II: treated with UV-B for 45 s; III: treated with UV-B for 150 s; IV: treated with UV-B for 330 s; V: treated with UV-B for 660 s). Vertical bars indicate standard error; different letters indicate significant differences according to Tukey’s test (p ≤ 0.05).