فیلم زیست‌تخریب پذیر بر پایه موسیلاژ بذر شنبلیله و پودر پوست بادمجان با نانوذرات مس و اسانس رزماری بررسی خواص فیزیکوشیمیایی

نویسندگان
دانشکده کشاورزی، دانشگاه ارومیه، ارومیه، ایران
چکیده
در این مطالعه موسیلاژ از بذر شنبلیله و اسانس از رزماری استخراج شد. فیلم مرکب موسیلاژ بذر شنبلیله و پودر پوست بادمجان با نانوذرات مس (0، 2، 4 %) و اسانس رزماری (0، 4، 8 %) تهیه شد. خواص فیزیکوشیمیایی فیلم‌ها تهیه شده بررسی شد. مطابق نتایج به دست آمده با افزایش نانوذرات مس و اسانس رزماری، میزان ضخامت و آنتی‌اکسیدانی فیلم افزایش می‌یابد. رطوبت، نفوذپذیری بخار آب و حلالیت فیلم با افزایش نانوذرات مس و اسانس رزماری کاهش می‌یابد. همچنین با افزایش نانوذرات مس و اسانس رزماری، شاخص‌های رنگ L*، افزایش یافته و روشنایی لایه‌ها به‌طور معنی‌داری کاهش یافت. همچنین با افزایش نانوذرت مس، شاخص‌های رنگ a*، افزایش یافته ولی باعث کاهش b*، شده. همچنین با افزایش اسانس رزماری، شاخص‌های رنگ a*، کاهش یافته ولی باعث افزایش فاکتور b*، شده است. نتایج فعالیت ضدمیکروبی نشان داد که افزودن نانوذرات مس و اسانس رزماری باعث فعالیت فیلم علیه استافیلوکوکوس اورئوس شد. نتیجه‌گیری: افزودن نانوذرات مس و اسانس رزماری به فیلم‌های خوراکی بر پایه موسیلاژ بذر شنبلیله و پودر پوست بادمجان سبب بهبود ضخامت، آنتی‌اکسیدانی، حلالیت، رطوبت و نفوذپذیری به بخار آب، همچنین تضعیف روشنایی گردید.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Biodegradable film based on mucilage of fenugreek seeds and eggplant skin powder with copper nanoparticles and rosemary essential oil, investigation of physicochemical properties

نویسندگان English

fatemeh khakpour
Sajad Pirsa
University
چکیده English

In this study, mucilage was extracted from fenugreek seeds and essential oil from rosemary. The composite film of fenugreek seed mucilage and eggplant peel powder was prepared with copper nanoparticles (0, 2, 4%) and rosemary essential oil (0, 4, 8%). The physicochemical properties of the prepared films were investigated. According to the obtained results, with the increase of copper nanoparticles and rosemary essential oil, the thickness and antioxidant of the film increases. Humidity, water vapor permeability and solubility of the film decrease with the increase of copper nanoparticles and rosemary essential oil. Also, with the increase of copper nanoparticles and rosemary essential oil, the L* color indices increased and the brightness of the layers decreased significantly. Also, with the increase of copper nanoparticles, the color indices a* increased, but b* decreased. Also, with the increase of rosemary essential oil, the a* color indices have decreased, but the b* factor has increased. The results of antimicrobial activity showed that the addition of copper nanoparticles and rosemary essential oil made the film active against Staphylococcus aureus. Conclusion: The addition of copper nanoparticles and rosemary essential oil to edible films based on fenugreek seed mucilage and eggplant skin powder improved the thickness and antioxidant, solubility, moisture and permeability to water vapor, as well as weakening the brightness.

کلیدواژه‌ها English

Edible film
Mucilage
copper nanoparticles and rosemary essential oil
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