اثر افزودن فیبر پرتقال و آب انبه بر زنده مانی لاکتوباسیلوس کازئی و خصوصیات فیزیکوشیمیایی و حسی آب سیب سین بیوتیک

نویسندگان
1 دانش آموخته کارشناسی ارشد گروه مهندسی علوم و صنایع غذایی، واحد تبریز، دانشگاه آزاد اسلامی، تبریز، ایران
2 دانشیار گروه مهندسی علوم و صنایع غذایی، واحد تبریز، دانشگاه آزاد اسلامی، تبریز، ایران
3 دانش‌آموخته‌ی دکتری مهندسی علوم و صنایع‌غذایی، واحد تحقیق و توسعه، شرکت آسیاشور، تبریز، ایران
چکیده
در سال‌های اخیر پیشرفت‌های زیادی در خصوص تهیه‌ی غذاهای عملگرا بر پایه‌ی پروبیوتیک با توجه به اثرات سلامتی بخش آن­ها صورت گرفته است. در این پژوهش امکان­ سنجی تولید آب سیب سین­ بیوتیک با استفاده از گونه‌ی لاکتوباسیلوس کازئی مورد بررسی قرار گرفت. تیمارهای مورد بررسی با ترکیب آب سیب با آب انبه (0 و 10 درصد حجمی-حجمی) و فیبر پرتقال (0 و 0/5 درصد وزنی-حجمی) تولید و میزان زنده­ مانی لاکتوباسیلوس کازئی، pH، اسیدیته، مواد جامد محلول، ویسکوزیته و ویژگی­ های حسی نمونه­ ها در طی 45 روز نگهداری در دمای یخچالی مورد ارزیابی قرار گرفت. مطابق نتایج به­ دست آمده، افزودن فیبر پرتقال و آب انبه به عنوان ترکیبات پری‌بیوتیک منجر به بهبود زنده­ مانی لاکتوباسیلوس کازئی و حفظ جمعیت آن به تعداد حداقل 7 واحد لگاریتمی در هر میلی‌لیتر در طی مدت زمان نگهداری گردید. همچنین افزودن فیبر پرتقال و آب انبه تاثیر معنی­ داری (0/05p<) در افزایش اسیدیته، مواد جامد محلول و ویسکوزیته و کاهش مقادیر pH نمونه‌های آب­ سیب سین­ بیوتیک در طی مدت زمان نگهداری داشت. طبق نتایج ارزیابی حسی اگرچه میزان پذیرش کلی نمونه شاهد و نمونه­ های تیمارشده با گذشت زمان از روند نزولی برخوردار بود؛ با این حال افزودن آب انبه و فیبر پرتقال منجر به بهبود پذیرش حسی نمونه‌ها در مقایسه با نمونه شاهد گردید. نتایج این تحقیق نشان داد که آب سیب سین‌بیوتیک حاوی فیبر پرتقال و آب انبه به صورت ترکیبی تیمار مناسبی هم از نظر تکنولوژیکی و هم از نظر پذیرش مصرف­ کنندگان بود.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Effect of incorporating orange fiber and mango juice on survival of Lactobacillus Casei, physicochemical and sensory properties of synbiotic apple juice

نویسندگان English

laleh torabi 1
Leila Roufegarinejad 2
Shahram Hanifian 2
Mitra Soofi 3
1 M.Sc Student, Department of Food Science and Technology, Tabriz Branch, Islamic Azad University, Tabriz, Iran
2 Associate Professor, Department of Food Science and Technology, Tabriz Branch, Islamic Azad University, Tabriz, Iran
3 Ph.D Student of Food Science and Technology, Research and Development Department, AsiaShoor Company, Tabriz, Iran
چکیده English

Growing public awareness about diet-related health issues has significantly led to a progressive demand for producing functional foods based on probiotics. Accordingly, this study aimed to investigate the feasibility of producing synbiotic apple juice containing Lactobacillus casei (L. casei) as a probiotic bacteria and mango juice (0 and 10% v/v) and orange fiber (0 and 0.5% w/v) as prebiotic agents. In this regard, the viability of L. casei, pH, acidity, total soluble solids, viscosity, and sensory properties of the samples were assessed during 45 days of storage at the refrigerated condition. According to the obtained results, incorporating orange fiber and mango juice as prebiotic compounds could significantly improve the viability of L. casei and maintain its survival above the minimum recommended value (7 Log CFU/mL) during the storage time. Furthermore, the addition of orange fiber and mango juice had a significant effect (p<0.05) on elevating the acidity, soluble solids, and viscosity as well as decreasing the pH value of the synbiotic apple juice samples during the storage time. Although sensory scores of the treatments showed a decreasing trend over time, the addition of mango juice and orange fiber could remarkably improve the overall acceptability of the treated samples compared to the control sample. In general, the results of this study showed that synbiotic apple juice containing orange fiber and mango juice in combination provided the best viability of L. casei with acceptable physicochemical and sensory properties and could be introduced as a synbiotic apple juice.

کلیدواژه‌ها English

Lactobacillus casei
Mango juice
Orange juice
Prebiotic
Probiotic
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