تاثیر حمام التراسونیک، نسبت سورفاکتانت به روغن و غلظت موسیلاژ دانه به بر ویژگی‌های نانوامولسیون خودبخودی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری، علوم و صنایع غذایی، گروه علوم و صنایع غذایی، دانشکده کشاورزی، دانشگاه ارومیه

2 استاد، گروه علوم و صنایع غذایی، دانشکده کشاورزی، دانشگاه ارومیه

3 استاد، گروه علوم و صنایع غذایی، دانشکده کشاورزی، دانشگاه تربیت مدرس

4 استادیار، گروه علوم و مهندسی صنایع غذایی، دانشکده کشاورزی، دانشگاه کردستان

چکیده

هدف از این مطالعه بررسی ویژگی‌های نانوامولسیون روغن در آب تثبیت شده با مخلوط ایزوله پروتئین آب پنیری (1 درصد وزنی/حجمی) و موسیلاژ دانه به (1/0 و 5/0 درصد وزنی/حجمی) به روش کم انرژی خودبخودی و پر انرژی هموژنایزر فراصوت است. ازآنجاکه مشکل اصلی روش امولسیون سازی خودبخودی استفاده از مقادیر بالای سورفاکتانت‌های سنتزی است بنابراین یکی از اهداف این تحقیق بررسی تأثیر نسبت‌های مختلف سورفاکتانت به روغن (1:1، 2:1 و 3:2 =SOR) و تیمار کمکی حمام التراسونیک روی ویژگی‌های نانوامولسیون خودبخودی بود. پارامترهای اندازه ذرات، پتانسیل زتا، ویسکوزیته ظاهری و پایداری نانوامولسیون مورد بررسی قرار گرفت. در این مطالعه امولسیون‌های با قطر ذرات کمتر از 200 نانومتر به‌خوبی تهیه شدند. افزایش غلظت موسیلاژ و نسبت سورفاکتانت به روغن باعث کاهش معنی‌دار اندازه ذرات، افزایش اندک پتانسیل زتا (افزایش نگاتیویتی)، افزایش ویسکوزیته، کاهش اندیس خامه‌ای شدن و افزایش شاخص پایداری امولسیون‌ها شد. نمونه‌های حاصل از روش پر انرژی و نمونه‌های که با حمام التراسونیک تیمار شده‌اند دارای کمترین اندازه ذرات، کمترین مقدار شاخص خامه‌ای شدن و بیشترین شاخص پایداری امولسیون بودند. نتایج این تحقیق نشان داد که می‌توان با یک تیمار ساده توسط حمام التراسونیک می‌توان نانوامولسیون خودبخودی با ذرات بسیار کوچک (در ابعاد نانومتر) بدون نیاز به غلظت‌های بالای سورفاکتانت‌های سنتزی را تهیه کرد.

چکیده تصویری

تاثیر حمام التراسونیک، نسبت سورفاکتانت به روغن و غلظت موسیلاژ دانه به بر ویژگی‌های نانوامولسیون خودبخودی

تازه های تحقیق

  • نانوامولسیون خودبه‌خودی حاوی موسیلاژ دانه به و ایزوله پروتئین آب پنیر به‌خوبی ساخته شد.
  • به‌جای افزایش سورفاکتانت می­توان با تیمار نانوامولسیون­ها توسط حمام التراسونیک اندازه ذرات را کاهش داد.
  • شاخص پایداری امولسیون­های حاوی موسیلاژ بیشتر از نمونه شاهد بود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Investigation of ultrasonic bath, surfactant to oil ratio and quince seed mucilage concentration effect on spontaneous nanoemulsion properties

نویسندگان [English]

  • Reza Ghadermazi 1
  • Asghar Khosrowshahi Asl 2
  • Mohammad Hossein Azizi 3
  • Fardin Tamjidi 4
1 Ph.D. of Food Science and Technology, Department of Food Science and Technology, Faculty of Agriculture, Urmia University, Urmia, Iran
2 Professor, Department of Food Science and Technology, Faculty of Agriculture, Urmia University, Urmia, Iran
3 Professor, Department of Food Science and Technology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
4 Assistant Professor, Department of Food Science and Engineering, Faculty of Agriculture, University of Kurdistan, Sanandaj, Iran
چکیده [English]

The aim of this study was to investigate the properties of oil in water nanoemulsion stabilized with whey protein isolate (1% w/v) and quince seed mucilage (0.1 and 0.5% w/v) by low energy method of spontaneous emulsification and high energy method of ultrasound homogenizer. Since the main problem in utilization of spontaneous emulsification method is the use of high amounts of synthetic surfactants, one of the objectives of this study was to investigate the effect of different surfactant to oil ratios (SOR= 1:1, 2:1 and 3:2) and ultrasonic bath supplementation on spontaneous nanoemulsion properties. Nanoemulsion characteristics such as particle size, zeta potential, viscosity and stability of nanoemulsion were studied. In this study, nanoemulsions with the particle size less than 200 nm were well prepared. Increasing the mucilage concentration and the surfactant to oil ratio resulted in a significant reduction in particle size, a slight increase in zeta potential (increase in negativity), increased viscosity, decreased creaming index and increased emulsions stability index. The nanoemulsions from the high energy method and the nanoemulsions treated with ultrasonic bath have the lowest particle size, creaming index, and highest emulsions stability index. The results of this study showed that by a simple treatment with an ultrasonic bath, it was possible to create spontaneous nanoemulsions with very small particle size (with nm dimensions) without using high concentrations of synthetic surfactants.

کلیدواژه‌ها [English]

  • Spontaneous Nanoemulsion
  • Ultrasonic Bath
  • Quince Seed Mucilage
  • Whey Protein Isolated
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