Table 4: The effect of pigments extracted from guajillo pepper on acetic acid-induced writhing test in mice.

TreatmentDose (mg/kg)Number of writhes per 30 minInhibition (%)

Control071 ± 2
Ibuprofen1027 ± 9a62
Carotenoids
extracted from
guajillo pepper
534 ± 6a56
2037 ± 10a48
8040 ± 5a44

Results are expressed as mean ± S.E.M ( 𝑛 = 6 ). a 𝑃 0 . 0 5 , statistical significance with respect to control was calculated by one-way ANOVA followed by Tukey’s test. Isotonic saline solution was used as the control and ibuprofen as the reference treatment.