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This work focuses on the extraction, the physic-chemical characterization, chromatographic analysis and the study of biological activities antimicrobial and anti-inflammatory pumpkin seeds Cucurbita moschata family Cucurbitaceae. Harvested area Lakhdaria in Bouira. The extraction of fatty substance by two methods with cold maceration and Soxhlet, it gives the best yield (41.61 %), the study of physic-chemical parameters has a refractive index (1.48), acid value (0.56 %) and iodine (180.6 g\100 g). And chromatograp...