بهینه سازی تولید فیلم زیست تخریب‌پذیر حاوی عصاره آبی ریشه گیاه چوبک و نانوامولسیون اسانس رزماری بر پایه ژلاتین به روش سطح پاسخ

نویسندگان
فخری شهیدی 1
محمد مالکی 2
سحر روشنک 3
محمود علیزاده ثانی 4
1 استاد، گروه علوم و صنایع غذایی، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران
2 دکتری تخصصی، گروه بهداشت مواد غذایی و آبزیان، دانشکده دامپزشکی، دانشگاه فردوسی مشهد، ایران
3 دانشجوی دکتری، علوم وصنایع غذایی، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران
4 دانشجوی دکتری تخصصی، رشته بهداشت و ایمنی مواد غذایی، گروه بهداشت و ایمنی مواد غذایی، داشکده بهداشت، دانشگاه علوم پزشکی تهران
10.52547/fsct.18.119.85
چکیده
در این پژوهش‌ از غلظت‌های مختلف عصاره آبی ریشه گیاه چوبک (در سطوح صفر، 5/0، 1، 5/1، و 2 درصد) با غلظت‌های مختلف نانوامولسیون اسانس رزماری (صفر، 5/0، 1، 5/1، و 2 درصد) با هدف بهینه‌سازی تولید فیلم زیست‌تخریب‌پذیر بر پایه ژلاتین مورداستفاده قرار گرفت. پاسخ های آزمون برای تمام مدل های رگرسیونی برازش شده از نظر آماری در سطح 99% اطمینان معنی دار بودند. برای بهینه‌سازی تولید فیلم بیشترین میزان شفافیت، زاویه تماس، مقاومت کششی، میزان کشش تا نقطه پارگی و کمترین حلالیت، تورم و نفوذپذیری به بخار محاسبه گردید. پس از برازش مدل ها، نتایج نشان داد که تأثیر عصاره آبی ریشه گیاه چوبک و نانوامولسیون اسانس رزماری بر تمام پاسخ‌ها معنی‌دار (P<0.05) بود. افزایش عصاره آبی ریشه گیاه چوبک و نانوامولسیون اسانس رزماری باعث افزایش ضخامت، زاویه تماس و میزان کشش تا نقطه پارگی و کاهش محتوای رطوبتی، نفوذپذیری به بخار، شفافیت، حلالیت، مقاومت کششی و تورم گردید. بر اساس نتایج حاصل از پیش‌بینی مدل و مقایسه آن با مقادیر تجربی، عصاره آبی ریشه گیاه چوبک در غلظت 2 درصد و نانوامولسیون اسانس رزماری با غلظت 77/0 درصد، به عنوان مقادیر بهینه به دست آمدند.
کلیدواژه‌ها
فیلم زیست تخریب پذیر
چوبک
اسانس رزماری

موضوعات

عنوان مقاله English

Optimization of biodegradable film production containing aqueous extract of Chubak root and nanoemulsion of rosemary essential oil based on gelatin by response surface methodology

نویسندگان English

fakhri shahidi 1
Mohammad Maleki 2
Sahar Roshank 3
Mahmood Alizadeh-Sani 4
1 Professor, Department of Food Science & Technology, Ferdowsi University of Mashhad, Mashhad, Iran,
2 . Ph.D, Department of Food Hygiene and Aquaculture, Factulty of Veterinary Medicine, , Ferdowsi University of Mashhad (FUM), POBox: 9177948974, Mashhad, Iran
3 Ph.D. student, Department of Food Science & Technology, Ferdowsi University of Mashhad, Mashhad, Iran
4 . Ph.D. student, Student’s Scientific Research Center, Department of Food Safety and Hygiene, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
چکیده English

In this study, different concentrations of aqueous extract of Chubak root (at levels of zero, 0.5, 1, 1.5, and 2%) with different concentrations of rosemary essential oil nanoemulsion (zero, 0.5, 1, 1.5, and 2%) was used to optimize the production of biodegradable gelatin-based film. Test responses were statistically significant for all fitted regression models at 99% confidence level. To optimize film production, maximum transparency, contact angle, tensile strength, Elongation at Brake to the point of rupture and minimum solubility, swelling and vapor permeability were evaluating. After fitting the models, the results showed that the effect of aqueous extract of Chubak root and rosemary essential oil nanoemulsion on all responses was significant (P <0.05). Increasing the aqueous extract of Chubak root and nanoemulsion of rosemary essential oil increased the thickness, contact angle and Elongation at Brake to the point of rupture and decreased moisture content, vapor permeability, transparency, solubility, tensile strength and swelling. Based on the results of model prediction and comparison with experimental values, aqueous extract of Chubak root at a concentration of 2% and nanoemulsion of rosemary essential oil with a concentration of 0.77% were obtained as optimal values.

کلیدواژه‌ها English

Biodegradable Films
Chubak
Rosemary essential oil
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