تاثیر فیلم فعال حاوی هیبرید نانوهالوسیت رس/کارواکرول و کیتوزان بر رشد قارچ‌های بیماری‌زا

نویسندگان
حسین عراقی 1
سمیه رستگار 2
بهجت تاج الدین 3
محمد جوان نیکخواه 4
محمد‌علی عسکری سرچشمه 5
1 دانشجوی دکتری فیزیولوژی پس از برداشت دانشکده کشاورزی و منابع طبیعی، دانشگاه هرمزگان
2 دانشیار گروه علوم باغبانی دانشکده کشاورزی و منابع طبیعی، دانشگاه هرمزگان، بندرعباس، ایران
3 دانشیار گروه مهندسی صنایع غذائی و مسائل پس از برداشت، موسسه تحقیقات فنی و مهندسی کشاورزی، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران
4 دانشیار گروه علوم باغبانی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران
5 استاد گروه گیاهپزشکی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران
10.52547/fsct.18.115.18
چکیده
کاربرد نانو ذرات در بسته‌بندی مواد غذایی گام موثری در جهت کاهش ضایعات حاصل از عوامل بیماری­زا و افزایش عمر انباری محصولات غذایی گوناگون است. هدف از اجرای این پژوهش، بررسی اثر ضد قارچی فیلم نانوکامپوزیت بر پایه پلی‌اتیلن سبک حاوی هیبرید نانوهالوسیت رس/کارواکرول و کیتوزان روی قارچ­های آسپرجیلوس نیجر، آسپرجیلوس فلاوس، بوتریتیس سینرا، پنی‌سلیوم و رایزوپوس اوریزا، عامل اصلی پوسیدگی‌های پس از برداشت محصولات کشاورزی است. از این رو، فیلم‌های نانوکامپوزیتی پلی­اتیلن سبک حاوی 5/1و 3 درصد نانو هالوسیت رس/کارواکرول، و 1و 2 درصد کیتوزان با آمیزه­سازی در اکسترودر دو‌مارپیچه و از طریق دستگاه فیلم دمشی تولید و تاثیر ضد قارچی آن روی پنج گونه قارچ فوق ارزیابی شد. نتایج تجزیه واریانس مشخص کرد که میزان رشد پنج گونه قارچ موردبررسی، به­طور معنی‌داری تحت تاثیر استفاده از نانو هالوسیت رس/کارواکرول قرار دارد. بیشترین درصد بازدارندگی مربوط به فیلم حاوی 3 درصد نانو هالوسیت رس/کارواکرول بود. فیلم‌ حاوی کیتوزان تاثیر معنی‌داری بر رشد قارچ­های مورد مطالعه نداشت.
کلیدواژه‌ها
نانو‌هالوسیت رس
خواص ضد قارچی
کیتوزان
بسته‌بندی
اسانس روغنی

موضوعات

عنوان مقاله English

The effect of active film containing nano clay halloysite/carvacrol hybrid and chitosan on the growth of pathogenic fungi

نویسندگان English

Hossein Araghi 1
Somayeh Rastegar 2
Behjat Tajeddin 3
Mohamad Javan-nikkhah 4
Mohamad Ali Asghari- Sarcheshmeh 5
1 Ph.D. student, post-harvest physiology and technology, Department of Horticultural Science, University of Hormozgan, Bandar Abbas, Iran
2 Associate Prof., Department of Horticultural Science, University of Hormozgan, Bandar Abbas, Iran
3 Associate Prof., Agricultural Engineering Research Institute (AERI), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
4 Associate Prof., Department of Horticultural Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
5 Prof., Department of Plant Protection, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
چکیده English

Use of nanoparticles in food packaging can be an effective step to reduce waste from pathogens and increase the shelf life of various products. The aim of this study was to investigate the antifungal effect of low-density polyethylene nanocomposite film containing nano clay halloysite/carvacrol hybrid and chitosan on pathogenic fungi including Aspergillus niger, Aspergillus flavus, Boterytis cinera, Penicillium Sp. and Rhizopus oryzae, the main cause of post-harvest rot of agricultural products. In this study, the nanocomposite films based on Low-density polyethylene containing 1.5 & 3% nano clay halloysite/carvacrol and 1 & 2% chitosan were produced by mixing them in a twin-screw extruder following by blowing film machine. The effect of these produced nanocomposites were then evaluated on the growth of five pathogenic fungal species. Based on the results of analysis of variance, it was found that the growth rate of the five studied fungal species was significantly affected by use of Nano clay Halloysite/carvacrol, so that the highest percentage of inhibition was related to the film containing 3% nano clay halloysite/carvacrol. However, the film containing chitosan had no significant effect on the growth of the studied fungi.

کلیدواژه‌ها English

Antifungal properties
Chitosan
packaging
Essential oil
Nano clay Halloysite
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