Zygophylle or Zygophyllum gaetulum Emberger and. Maire is a Moroccan medicinal plant which has been used as an anti-inflammatory, antidiabetic, antispasmodic and antidiarrheic. The present study was carried out to study and compare the anti-inflammatory effect of ethanolic extract with aqueous extract of Z. gaetulum. Organic extract of Z. gaetulum was obtained in soxhlet apparatus. Aqueous extract was obtained by infusion. The Wistar albinos rats of either sex weighing 200-300 g aged 2-3 months were used for this experiment. The rats were housed under standard environmental conditions. The anti-inflammatory activity was estimated by measuring the oedema induced by carragenin according to the method of Winter and al. Ethanolic extract of Z. gaetulum reduced the increase of the paw volume with a percentage of inhibition of 46% (p<0.01), this percentage was 47.48% (p<0.01) with aqueous extract. The inhibition decrease in time, it arrived to 39% (p<0.01) at the sixth hour while the activity of aqueous extract decrease a lot. In conclusion, Z. gaetulum is an interesting plant which the aqueous and éthanolic extracts could be used scientifically in the treatment of inflammation.
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