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. 2023 Jul 11;16(7):990. doi: 10.3390/ph16070990

Table 4.

Results of the determination of sun protective factor of extracts from Sloanea species.

Extract SPF a MEAN ± SEM (n = 3)
0.25 mg/mL 0.5 mg/mL 0.75 mg/mL
S. medusula 16.9 ± 0.1 b 26.7 ± 0.6 c 32.5 ± 0.4 d
S. calva 19.7 ± 0.1 c 30.2 ± 0.2 d 35.4 ± 0.2 d

a Sun protective factor. Results indicate b low UV protection; c medium UV protection; d high UV protection. Results were expressed as the mean ± standard error of the mean from three independent assays.