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Ammodaucus leucotrichus Cosson & Durieu common appellation is “Nessoufa, Moudrayga”. It is an endemic plant from the family Apiaceae (Umbelliferae) frequently used by the Arab world for traditional medicine and as a food condiment. A. leucotrichus fruits have been phytochemically screened to evidence qualitative composition of secondary metabolites. Analyses assess the presence of flavonoids, tannins, saponins, coumarins, phenolic acids, alkaloids and cardiac glycosides. Antioxidant activity of different extracts is evaluated by using two methods: Ferric Reducing Antioxydant Power (FRAP) and DPPH (2, 2-diphenyl-1-picrylhydrazyl) free radical capture. Methanolic extract has a good ferric reducing capacity, superior to the capacity recorded through BHT. The capacity of trapping of free radical DPPH is interesting with an IC50 = 2,256 μg/ ml, which is similar to BHA with an IC50 = 2.167μg/ml. The extracts and fractions are also evaluated for their antimicrobial activity against eight bacterial strains and three human pathogenic fungi, exhibiting an interesting antimicrobial profile.

Phytochemical Composition, Antioxidant and Antimicrobial Activities of Ammodaucus Leucotrichus Fruit from Algerian Sahara.