بررسی خصوصیات فیزیکوشیمیایی و رهایش نانوامولسیون حاوی کروسین و کاربرد آن در سیستم مدل غذایی (شکلات)

نویسندگان
1 سازمان مرکزی جهاد دانشگاهی، پژوهشکده علوم و فناوری مواد غذایی ، گروه کیفیت و ایمنی مواد غذایی
2 دانشکده داروسازی دانشگاه علوم پزشکی مشهد دانشگاه علوم پزشکی مشهد
چکیده
در کشور ما نیز شیوع افسردگی به طور متوسط 7/7درصد جمعیت 15ساله و بالاتر را در بر می گیرد. تقریباً همه بیماران افسرده به دلیل کم شدن انرژی، نمی توانند وظایف خود را به راحتی انجام دهند. یکی از انواع گیاهان دارویی، برای درمان افسردگی زعفران است که در طب سنتی از آن به عنوان نشاط آور و بر طرف کننده غم و اندوه یاد شده است. کروسین به‌عنوان یک ترکیب زیست فعال موثر بر افسردگی، نسبت به دما، PH و اکسیژن، حساس بوده و کارایی آن کاهش می یابد. نانوریزپوشانی کروسین با استفاده از امولسیون‌های دولایه روشی برای افزایش پایداری این ترکیب است. نسبت سورفاکتانت (50% تا 200%) و دور همزن (500 و 1000 rpm) و زمان هم زدن (1، 2 و 3 ساعت) به‌عنوان متغیرهای تولید امولسیون اولیه مورداستفاده قرار گرفت. نسبت بهینه سورفاکتانت به فاز آبی 100% بود و در تمامی میکرو امولسیون‌ها با افزایش نسبت سورفاکتانت، ویسکوزیته افزایش یافت. برای ساخت امولسیون ثانویه از روش پرانرژی هموژنیزاسیون در فشار بالا و برای مقایسه و افزایش پایداری از بیوپلیمرهای کنستانتره پروتئین سویا، صمغ عربی و پکتین در دو سطح 5 و 10 درصد استفاده شد. سپس نانوامولسیون به شکلات افزوده شد. همه تیمارها با استفاده از آزمون دانکن در سطح معنی‌داری 5% مورد ارزیابی قرار گرفتند. نتایج نشان داد که هر دو سورفاکتانت قادر به تشکیل نانو امولسیون بودند. امولسیون‌های پایدار شده با پکتین بیشترین ویسکوزیته و کمترین رهایش کروسین در شرایط شبیه‌سازی‌شده معده و روده را نشان دادند. همچنین شکلات حاوی نانوامولسیون از نظر خواص حسی با نمونه شاهد مقایسه شد و امتیاز بالاتری نسبت به نمونه شاهد داشت.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Evaluation of physicochemical properties and release of nanoemulsion containing crocin and its application in food model system (chocolate)

نویسندگان English

zahra nazari 1
javad asili 2
1 1Food quality and Safety Research Group. Food Science and Technology Research Institute ACECR Mashhad, Iran.
2 2Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
چکیده English

The prevalence of depression in our country is an average of 7% of people aged 15 and older. Almost all depressed patients cannot do their tasks easily due to lack of energy. One of the types of medicinal plants for treating depression is saffron, which is used in traditional medicine as an uplifting and reducing sadness. One of the types of medicinal plants for treating depression is saffron, which is used in traditional medicine as a happy and reducing sadness. Crocin, as a bioactive compound effective on depression, is sensitive to temperature, pH and oxygen, and its efficiency decreases. Surfactant ratio (50% to 200%), stirring speed (500 and 1000 rpm) and stirring time (1, 2 and 3 hours) were used as the variables of primary emulsion production. The optimal ratio of surfactant to the aqueous phase was 100% and the viscosity increased with increasing surfactant ratio in all microemulsions. High energy homogenization at high pressure was used to make the secondary emulsion and to compare and increase the stability of biopolymers including Soy protein concentrate, Arabic gum and Pectin at two levels of 5 and 10%. Then the nanoemulsion was added to the chocolate. All treatments were evaluated using Duncan's test at a significance level of 5%. The results showed that both surfactants were able to form nanoemulsions. Emulsions stabilized with pectin showed the highest viscosity and the lowest crocin release in simulated stomach and intestine conditions. Also, the physicochemical and sensory properties of chocolate containing nanoemulsion were compared with the control and it had a higher score than the control

کلیدواژه‌ها English

Release
Nanoemulsion
antidepressant
Crocin
Chocolate
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