Abstract
Research was done in Laboratories of biology department-collage of check antibacterial activity of hot water extract of flax seed (Linum usitalissimum) and fenugreek seed (Trigonella foenum-graecum) against bacteria that isolated from mouth by using holes method on nutrient agar. Extracts was prepared of seeds of plants that studying in stoke then bacteria that isolated from mouth of different people in different age categories and do different habits such as (drinking wine ,un brush teeth regularly ). Some species of bacteria were diagnosis in this experiment which were (pseudomonas spp. Staphelococcus and Streptococcus spp.) this experiment were measured the diameter of inhibition zone around the holes in petri dishes. Both extracts of Linum and Trigonella seed showed an antibacterial activity against bacteria in study, also the Trigonella seed extract present more effective than Linum seed extract on bacteria.
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