Abstract
nhibitory action of the aqueous (WE), acetone (AE), methyl (ME), and volatile oil (OE) Of Trigonella Foenum_Graecum seeds against some pathogenic bacteria was evaluated. Different concentration (20, 50, 80) mgml of the extract were used against gram-negative (Escherichia coli and Pseudomonas spp.) and gram positive (Bacillus subtilis and Staphylococcus aureus) bacteria. The result obtained from this study varied according to the type of extract, microorganism and the concentration used. Volatile oil extract had shown efficiency inhibiting both gram negative and positive bacteria in all concentration. So acetone, methyl and aqueous extract had shown efficiency inhibiting both gram negative and positive bacteria in 80 mgml concentration. While the last extracts had no efficiency inhibiting against study bacteria in 20mgml concentration, and they no effected at the negative bacteria in 50mgml concentrations, so the aqueous extract had no effect against positive bacteria in the same last concentration. The volatile oil extract seed was considered to be the most efficient against all tested bacteria comparing with other. Thus it was applied on preserving cooled minced beef by using different concentrations (0, 5, 15, 25, 50, 100) mgkg of meat. As a result showed low in the number of total bacteria count, total coli form count and total mold and yeast count c by using highest concentration of extracts during the storage at(2±7)oc comparing with control sample.
Highlights
Inhibitory action of the aqueous (WE), acetone (AE), methyl (ME), and volatile oil (OE) Of Trigonella Foenum_Graecum seeds against some pathogenic bacteria was evaluated
اٌجىزش٠ب اٌّٛعجخ ِٓ اٌجىزش٠ب اٌغبٌجخ ِٓ خلاي ل١بط ِؼذلاد الطبس اٌزضج١ؾ ار ثٍغذ (ٌٍ )13, 14جىزش٠ب اٌّٛعجخ ٌٍّ ْٛوشاَ ( )B.subtilis, S.aureusػٍ ٝاٌزٛاٌ ٟف ٟرشو١ض ٍِ 20غُ ًِ/ف ٟؽ ٓ١وبٔذ الً ِٓ رٌه ثبرغبٖ
كفاءة يسخخهض انضٌج انؼطشي نبزٔس انحهبت فً حفع نحى انؼضم انًفشٔو بانخبشٌذ ٛ٠ػؼ عذٚي ( )1ربص١ش اػبفخ ِغزخٍض اٌض٠ذ اٌؼطشٌ ٞجزٚس ٔجبد اٌؾٍجخ ثزشاو١ض ِخزٍفخ (ٍِ )100,50,25,15,5غُ/وغُ ٌؾُ ،ػٍ ٝاٌؼذد اٌىٌٍٍ ٟجىزش٠ب اٌٛٙائ١خ فٌ ٟؾُ اٌؼغً اٌّفشٚ َٚاٌّخضْ ثذسعخ ؽشاسح ٌٍّ َ7ذد اٌخضٔ١خ (ٚ َٛ٠ )8,4,1ثبٌّمبسٔخ ِغ اٌؼٕ١خ اٌؼبثطخ ( )Controlاٌز ٟرّضً رشو١ض ٍِ 0غُ\وغُ
Summary
Inhibitory action of the aqueous (WE), acetone (AE), methyl (ME), and volatile oil (OE) Of Trigonella Foenum_Graecum seeds against some pathogenic bacteria was evaluated.
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