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Abstract Title:

[Analgesic and anti-inflammatory activity of saponins of Argania spinoza].

Abstract Source:

Ann Pharm Fr. 1998 ;56(5):220-8. PMID: 9805822

Abstract Author(s):

K Alaoui, J F Lagorce, Y Cherrah, M Hassar, H Amarouch, J Roquebert

Article Affiliation:

Laboratoire de Pharmacologie et Toxicologie, Faculté de Médecine et de Pharmacie, Rabat Instituts, Agdal, Maroc.

Abstract:

We studied analgesic and antiinflammatory actions of saponins of Argania spinosa cakes in mice and rats. With oral doses of 50 to 300 mg/kg, we found peripheric analgesic actions equivalent to the acetyl salicylic acid ones. The maximum protection was obtained with 500 mg/kg per os. There is no morphine-like central analgesic effect. Antiinflammatory studies were done in vivo using oedema due to carrageenine or experimental trauma in rats. There was a decrease in the paw swelling at doses of 10 mg/kg per os. At doses of 50 to 100 mg/kg per os, the antiinflammatory effect was similar to the one of indomethacin at doses of 10 to 20 mg/kg per os. In vitro, there was an inhibition of beef synovial fluid degradation by OH. radicals. The inhibition action is evaluated with an IC20>or = 6 microM. Argania spinosa saponins have also an antiradical action against DPPH (IC25 = 85 mM) and against OH. radicals (IC25 = 0.56 M). Since they do not have any inhibition effect on PGE2 synthesis, their antiinflammatory activity can be explained by their action on leucotriens in the metabolic pathway of arachidonic acid.

Study Type : Animal Study

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