بهینه‌سازی تولید فیلم زیست‌تخریب‌پذیر بر پایه کربوکسی متیل سلولز و صمغ فارسی به روش سطح پاسخ

نویسندگان
محمد مالکی 1
محمد محسن زاده 2
1 دانشجوی دکتری تخصصی بهداشت مواد غذایی، دانشکده دامپزشکی، دانشگاه فردوسی مشهد، مشهد، ایران.
2 دانشیار گروه بهداشت مواد غذایی و آبزیان، دانشکده دامپزشکی، دانشگاه فردوسی مشهد، مشهد، ایران
10.52547/fsct.17.104.41
چکیده
امروزه استفاده از بسته‌بندی‌های زیست‌تخریب‌پذیر بر پایه ترکیبات طبیعی بسیار موردتوجه محققان قرارگرفته است. در این پژوهش‌ غلظت‌های مختلف صمغ فارسی (صفر، 25/0، 5/0، 75/0 و 1 درصد) با غلظت‌های مختلف کربوکسی متیل سلولز (1 و 5/1 درصد) برای بهینه‌سازی تولید فیلم زیست‌تخریب‌پذیر مورداستفاده قرار گرفت. تمام مدل های رگرسیونی برازش شده برای پاسخ های آزمون 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. نتایج حاصل از مدل نشان داد که تأثیر کربوکسی متیل سلولز و صمغ فارسی بر تمام پاسخ‌ها معنی‌دار (P<0.05) بود. افزایش درصد کربوکسی متیل سلولز و صمغ فارسی باعث افزایش حلالیت، تورم، مقاومت کششی و زاویه تماس و کاهش محتوای رطوبتی، نفوذپذیری به بخار، شفافیت و میزان کشش تا نقطه پارگی گردید. بر اساس نتایج حاصل از پیش‌بینی مدل و مقایسه آن با مقادیر تجربی، کربوکسی متیل سلولز در غلظت 5/1 درصد و صمغ فارسی با غلظت 65/0 درصد بهترین نتیجه حاصل از بهینه‌سازی می‌باشد.
کلیدواژه‌ها
کربوکسی متیل سلولز
صمغ فارسی
فیلم زیست‌تخریب‌پذیر

موضوعات

عنوان مقاله English

Optimization of Biodegradable Film Production Based on Carboxymethyl Cellulose and Persian Gum by Response Surface Methodology

نویسندگان English

Mohammad Maleki 1
Mohammad Mohsenzadeh 2
1 Ph.D. student, Department of Food Hygiene and Aquaculture, Factulty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
2 Associate Professor, Department of Food Hygiene and Aquaculture, Factulty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
چکیده English

Nowadays, the use of biodegradable packaging based on natural ingredients has attracted much interest from researchers. In this research different concentrations of persian gum (PG) (0, 0.25, 0.5, 0.75 and 1%) with different concentrations of carboxymethyl cellulose (CMC) (1 and 1.5%) were used to optimize biodegradable film production. For optimization of film production, maximum transparency value, contact angle, tensile strength, strain at break and minimum solubility, swelling and water vapor permeability were calculated. The results of the model showed that the effect of carboxymethyl cellulose and persian gum on all responses were significant (P <0.05) and increasing the percentage of carboxymethyl cellulose and persian gum increased solubility, swelling, tensile strength and contact angle and decreased moisture content, water vapor permeability permeability and transparency value. Based on the results of model prediction and comparison with experimental values, carboxymethyl cellulose at 1.5% and persian gum at 0.65% is the best result.

کلیدواژه‌ها English

Carboxymethyl cellulose
Persian gum
Biodegradable film
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