Table 5 In vitro photoprotective properties of hydroalcoholic extracts from T. pumilea, H. lantanifolia, and A. popayanensis.

From: Chemical composition and in vitro bioactivities of hydroalcoholic extracts from Turnera pumilea, Hyptis lantanifolia, and Ageratina popayanensis cultivated in Colombia

Extract

T. pumilea

H. lantanifolia

A. popayanensis

Photoprotective potential

SPFa

41.9 ± 0.1

38.6 ± 0.7

38.2 ± 0.2

Sunscreen

λc (nm)

385.2 ± 0.1

380.1 ± 0.2

392.4 ± 0.1

Long-wavelength UVA-protection

UVA/UVB

1.6 ± 0.2

1.5 ± 0.2

1.1 ± 0.2

Maximum protector (****)

Erythema transmission (%)

12.5 ± 0.1

15.4 ± 0.1

15.8 ± 0.1

Quick tan

Pigmentation transmission (%)

17.9 ± 0.1

23.6 ± 0.1

22.9 ± 0.1

Sunscreen

  1. a. Values at a concentration of 0.75 mg/mL.