اثر اسانس گیاهان مشکک .Ducrosia anethifolia (DC.) Boiss و کلپوره L. Teucrium polium برروی خصوصیات فیزیکوشیمیایی، حسی و میکروبی ماست پروبیوتیک در طول زمان نگهداری

نویسندگان
1 دانشکده علوم و صنایع غذایی،واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران.
2 دانشکده علوم و صنایع غذایی، واحد یزد، دانشگاه آزاد اسلامی، یزد، ایران.
چکیده
امروزه استفاده از غذاهای کاربردی و فراسودمند مانند محصولات پروبیوتیک به دلیل مزایای سلامتی بخش آنها در برابر بیماری ها بسیار مهم است. در این تحقیق اسانس گیاهان anethifolia Ducrosia و Teucrium polium به ترتیب DAEO) و (TPEO به ماست پروبیوتیک اضافه شدند تا تأثیرات آنها را بر بقای باکتری های پروبیوتیک (Lactobacillus acidophilus and Bifidobacterium bifidum bacteria) طی 21 روز بررسی کرده و ویژگی های فیزیکوشیمیایی، حسی و میکروبی آن ها ارزیابی شوند. نتایج نشان داد با افزایش غلظت DAEO و TPEO، مقدار اسیدیته و ویسکوزیته تیمارهای ماست بطور معناداری افزایش یافت و pH و سینرزیس روند کاهشی داشتند (P<0.05). همچنین زنده مانی باکتری های پروبیوتیک در طی روزهای نگهداری روند کاهشی در تمام تیمارها نشان داد، اما درنهایت، تعداد باکتری های پروبیوتیک در تمام تیمارها به طور قابل توجهی بیشتر از نمونه های شاهد بود. در آخر بر اساس نتایج همه آزمایشات انجام شده میتوان نتیجه گرفت افزودن 0.03٪ DAEO نسبت به سایر تیمارها، بهترین روش برای تحقق اهداف است.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Effect of the essential oil of Ducrosia anethifolia (DC.) Boiss. and Teucrium polium L. on physicochemical, sensory, and microbial characteristics of probiotic yogurt during storage time

نویسندگان English

Mahshid Keshavarzi 1
Anoosheh Sharifan 1
Seyed Ali Yasini Ardakani 2
1 Department of Food Science and Technology, Science and Research Branch, Islamic Azad University, Tehran, Iran
2 Department of Food Science & Technology, Science and Research Branch, Islamic Azad University, Yazd, Iran.
چکیده English

Today, use of functional food, such as probiotic products, is important due to their health benefits against diseases. In this study, the essential oil of Ducrosia anethifolia and Teucrium polium (DAEO and TPEO, respectively) were added to probiotic yogurt (Lactobacillus acidophilus and Bifidobacterium bifidum bacteria) to investigate their effects on the survival of probiotic bacteria during 21 days and assess its various properties. The results showed upon increasing the concentration of DAEO and TPEO, the value of acidity and viscosity of yogurt treatments increased, and the pH and syneresis showed a decreasing trend (P<0.05). The survivability of the investigated probiotic bacteria demonstrated a decreased trend during storage in all treatments, but finally, the number of probiotic bacteria in all treatments was significantly higher than that of the control samples. Based on the results of all tests, the addition of 0.03% of DAEO is the best way to realize the goals of the research.

کلیدواژه‌ها English

Ducrosia anethifolia
Teucrium polium
Physicochemical Characteristics
Survival of probiotics
Probiotic yogurt
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