بررسی ترکیب شیمیایی و فعالیت ضدمیکروبی اسانس پونه کوهی (Mentha pulegium) منطقه ماکو و اثر مهاری آن بر روی استافیلوکوکوس اورئوس در سوسیس

نوع مقاله: مقاله کامل

نویسندگان

گروه مهندسی علوم و صنایع غذایی، واحد ماکو، دانشگاه آزاد اسلامی، ماکو، ایران.

چکیده

استفاده از ترکیبات طبیعی دارای اثرات ضدباکتریایی می‌تواند مصرف مواد شیمیایی و سنتزی را که به منظور مهار رشد عوامل بیماری‌زا در مواد غذایی استفاده می‌شوند به حداقل برساند. در این راستا گیاهان دارویی توجه زیادی را به خود جلب کرده‌اند. هدف از مطالعه حاضر بررسی اثرات ضد‌باکتریایی اسانس گیاه پونه ماکو علیه باکتری استافیلوکوکوس اورئوس در مخلوط خمیر سوسیس می‌باشد. برای این منظور ابتدا گیاه تازه پونه ماکو از کوه‌های مشرف به شهر ماکو در شمال استان آذربایجان غربی جمع‌آوری و پس از شناسایی در زیر سایه خشک و اسانس آن با استفاده از کلونجر به دست آمد. بیشترین ماده موجود در ترکیب اسانس پولگون (4/51 درصد) بوده و کمترین ماده موجود در آن کامفن (29/0 درصد) می‌باشد. اثرات ضد‌باکتریایی اسانس علیه باکتری استافیلوکوکوس اورئوس به روش میکرودایلوشن در سه سطح 25/0، 5/0 و 1 درصد در مخلوط خمیر سوسیس برای تعیین حداقل غلظت مهارکنندگی و حداقل غلظت کشندگی مورد بررسی قرار گرفت. نتایج نشان داد که حداقل غلظت مهارکنندگی و حداقل غلظت‌کشندگی اسانس علیه استافیلوکوکوس اورئوس به ترتیب 26/31 و 125 میکروگرم در میلی‌لیتر می‌باشد و افزودن 1 درصد اسانس به مخلوط سوسیس می‌تواند به طور معنی‌داری از رشد استافیلوکوکوس اورئوس جلوگیری می‌نماید. بر اساس نتایج بدست آمده می‌توان نتیجه گرفت که افزودن اسانس گیاه پونه ماکویی به مخلوط خمیر سوسیس آلوده به استافیلوکوکوس اورئوس سبب مهار رشد باکتری و کاهش تراکم آن تا 15 روز نگهداری در شرایط یخچال می‌گردد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Evaluation of chemical composition and in-vitro antibacterial activity of oregano (Mentha pulegium) growing wild in maku and its inhibitory effect on Staphylococcus aureus in sausage

نویسندگان [English]

  • P. Gholami Pornaki
  • Masomeh Aghazadeh
  • M.R. Sadeghi
Department of Food Science, Maku Branch, Islamic Azad University, Maku, Iran.
چکیده [English]

The use of natural substances that have antibacterial activity could reduce the consumption of chemical and synthetic agents in food industry for inhibition of the growth pathogens. Based on plants attract the main concentration on this topic. Oregano plant that grows in different parts of Iran has antibacterial and antioxidant effects, which due to its flavor can be used in the food industry. The aim of this study was to evaluate the antibacterial effect of Mentha pulegium essence on the growth of Staphylococcus aureus in sausage dough. For this purpose, fresh Mentha pulegium harvested from Maku Mountains and dried at dark and cool place, finally the essence were prepared by using the Clevenger apparatus. The higher compound in Mentha pulegium essence was Pulegone (51/4 %) and the lower substance was Camphene (0.29 %). The antibacterial property of Mentha pulegium was determined by microbroth dilution method in three different levels of essence (0.25, 0.5 and 1 percentage) for measuring the minimal inhibition concentration (MIC) and minimal bactericidal concentration (MBC) at laboratory scale. Results showed that the MIC and MBC amount for this essence against Staphylococcus aureus were obtained 31.26 and 125µg in mL respectively. Also, results documented that the addition of 1 percent Mentha pulegium essence in contaminated sausage dough matrix could statistically inhibit the growth of Staphylococcus aureus. It should be concluded that the addition of Mentha pulegium essence into the contaminated matrix of Sausage dough with Staphylococcus aureus resulted in the inhibition of bacterium and its number until 15 days storage at refrigerator.

کلیدواژه‌ها [English]

  • Key words: Antibacterial activity
  • Essence
  • Maku
  • Mentha pulegium
  • Staphylococcus aureus
  • Sausage

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