بررسی اثر کاربرد فراصوت و اسید سیتریک بر قابلیت تولید فیلم زیست تخریب پذیر برپایه تفاله حاصل از آب گیری لیموترش

نویسندگان
میترا صوفی 1
آیناز علیزاده 2
حامد همیشه کار 3
هادی الماسی 4
لیلا روفه گری نژاد 2
1 دانشجوی دکتری تخصصی گروه علوم و صنایع غذایی، واحد تبریز، دانشگاه آزاد اسلامی، تبریز، ایران
2 دانشیار گروه علوم و صنایع غذایی، واحد تبریز، دانشگاه آزاد اسلامی، تبریز، ایران
3 استاد مرکز تحقیقات کاربردی دارویی، دانشگاه علوم پزشکی تبریز، تبریز، ایران
4 دانشیار گروه مهندسی علوم و صنایع غذایی، دانشگاه ارومیه، ارومیه، ایران
10.52547/fsct.19.123.1
چکیده
تفاله حاصل از آب­گیری لیموترش، شامل ترکیبات زیستی با ارزشی می­باشد که در زمینه تولید فیلم­ های زیست­ تخریب­ پذیر نیز حائز اهمیت می­ باشند. در این راستا، هدف از مطالعه­ ی حاضر بررسی قابلیت تهیه فیلم‌های زیست تخریب­ پذیر از تفاله لیموترش (1، 3 و 5 درصد) و متعاقباً بررسی اثر کاربرد فراصوت و محلول اسید سیتریک بر ویژگی­ های مکانیکی و فیزیکی (ضخامت، حلالیت، نفوذپذیری به بخار آب، رنگ و شفافیت) نمونه­ های فیلم حاصل از تفاله لیموترش می­ باشد. مطابق نتایج به­ دست آمده با افزایش میزان تفاله از 1تا5 درصد میزان مقاومت به شکست، ضخامت و تغییرات رنگی نمونه­ های فیلم افزایش یافته و میزان حلالیت، نفوذپذیری به بخارآب و شفافیت نمونه­ های فیلم کاهش معنی­ داری نشان داد. این در حالی است که استفاده از 5 درصد تفاله منجر به کاهش میزان ازدیاد طول تا نقطه شکست نمونه­ های فیلم در مقایسه با فیلم­ های تهیه شده از 3 درصد تفاله گردید. همچنین نتایج به­ دست آمده نشانگر اثر معنی­ دار فراصوت و اسید سیتریک در بهبود خصوصیات مکانیکی و فیزیکی نمونه­ های فیلم در مقایسه با نمونه­ های تیمار نشده بود. لذا با توجه به بررسی بعمل آمده امکان استفاده از تیمار فراصوت و اسید سیتریک در تولید فیلم­ های زیست تخریب­ پذیر از تفاله لیموترش به منظور بهبود ویژگی­ های عملکردی فیلم ­های حاصل از تفاله لیموترش امکان پذیر بوده و نمونه تهیه شده از 3 درصد تفاله لیموترش و ­تیمار شده با فراصوت و تهیه شده با 1 درصد اسید سیتریک به ­عنوان نمونه فیلم با ویژگی­ های فیزیکی، مکانیکی و ممانعتی مطلوب انتخاب گردید.
کلیدواژه‌ها
تفاله میوه
فراصوت
فیلم بسته‌بندی
لیموترش

موضوعات

عنوان مقاله English

Evaluating the effect of utilizing ultrasound and citric acid on the feasibility of producing biodegradable film based on lemon juicing waste

نویسندگان English

Mitra Soofi 1
Ainaz Alizadeh 2
Hamed Hamishehkar 3
Hadi Almasi 4
Leila Roufegarinejad 2
1 Ph.D Student, Department of Food Science and Technology, Tabriz Branch, Islamic Azad University, Tabriz, Iran
2 Associate Professor, Department of Food Science and Technology, Tabriz Branch, Islamic Azad University, Tabriz, Iran
3 Professor, Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
4 Associate Professor, Department of Food Science and Technology, Faculty of Agriculture, Urmia University, Urmia, Iran
چکیده English

The lemon juicing waste encompasses valuable bio-components that stimulated the development of novel and biodegradable films. This study aimed to investigate the feasibility of producing biodegradable films from lemon waste powder (LWP) (1, 3, and 5%) and subsequently evaluate the effect of ultrasonic and citric acid solution on mechanical and physical properties (thickness, solubility, water vapor permeability (WVP), color changes, and transparency) of LWP-based film samples. According to the results, elevating the LWP concentration from 1 to 5% had led to an increase in the tensile strength, thickness and color changes remarkably and decreases the solubility, water vapor permeability, and transparency of the film samples. However, utilizing 5% LWP had resulted in a reduction of elongation at the break value of the film samples compared to the prepared films from 3% LWP. The results also revealed a significant effect of utilizing ultrasonic and citric acid in improving the mechanical and physical properties of the film samples. Therefore, utilizing ultrasound and citric acid in the production of biodegradable LWP-based films could improve the functional characteristics of films. In conclusion, the sample prepared from 3% LWP and treated by ultrasound and prepared with 1% citric acid was selected as an optimum film sample with a desirable physical, mechanical and barrier properties.

کلیدواژه‌ها English

Fruit waste
Lemon
Packaging film
Ultrasound
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