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معرفی و کارایی برخی نشانگرهای pH طبیعی برای استفاده در بسته بندی های هوشمند مواد غذایی | ||
علوم و فنون بستهبندی | ||
دوره 14، شماره 55، آبان 1402، صفحه 15-23 اصل مقاله (1.18 M) | ||
نوع مقاله: مقاله پژوهشی | ||
نویسندگان | ||
بهناز بازرگانی گیلانی* 1؛ زهرا ایزدپناهی2؛ زهرا کفراشی2؛ فاطمه سلیمی2؛ فاطمه زارعی2 | ||
1دانشگاه بوعلی سینا، همدان، ایران | ||
2کارشناس گروه بهداشت و کنترل کیفی مواد غذایی دانشگاه بوعلی سینا همدان | ||
تاریخ دریافت: 02 شهریور 1402، تاریخ بازنگری: 05 مهر 1402، تاریخ پذیرش: 22 مهر 1402 | ||
چکیده | ||
امروزه در بستهبندیهای مواد غذایی، استفاده از شناساگرهای pH که همزمان با فساد و تغییرات pH ماده غذایی تغییر رنگ میدهند، مورد توجه قرار گرفتهاند. برخی از محصولات گیاهی و پسماندهای آنها که حاوی ترکیبات حساس به pH هستند، میتوانند برای تولید بستهبندیهای هوشمند، سالم و مقرون به صرفه در محصولات غذایی معرفی و مورد استفاده قرار بگیرند. در این مطالعه کارایی عصاره گل گاوزبان، پوست سیب قرمز، کلم قرمز، پوست تربچه قرمز، میوه زرشک، پوست ریشه چغندر قرمز، گل پنیرک، و پوست بادمجان سیاه در تغییرات pH مورد بررسی قرار گرفتند. پس از تهیه عصارههای آبی- اتانولی آنها بهروش غوطهوری، پاسخ رنگی آنها در محدوده pH 3 تا 12، با استفاده از محلولهای اسید کلریدریک و هیدروکسید سدیم مورد ارزیابی قرار گرفت. تغییرات رنگی عصارهها توسط طیفسنجی اشعه فرابنفش- مرئی در محدود طول موج 300 تا 800 نانومتر آنالیز گردید. بر طبق یافتههای به دست آمده عصارههای کلم قرمز و پوست تربچه قرمز طیف وسیعتری از تغییرات رنگی را در pHهای مختلف نسبت به سایرین از خود نشان دادند و عصارههای پوست ریشه چغندر قرمز، گل پنیرک، گل گاوزبان، پوست بادمجان سیاه، پوست سیب و میوه زرشک بهترتیب در ردههای بعدی قرار گرفتند. بر اساس نتایج بهدست آمده میتوان نتیجه گرفت که عصارههای کلم قرمز و پوست تربچه قرمز، نسبت به تغییرات pH حساسیت بیشتری دارند و این تغییرات را با دقت بالاتری نسبت به سایر عصارهها به نمایش میگذارند و میتوانند بهعنوان شناساگرهای pH طبیعی و مقرون به صرفه، در نمایش بهموقع فساد در بستهبندیهای هوشمند مواد غذایی، معرفی شوند. | ||
کلیدواژهها | ||
نشانگر pH؛ عصاره های گیاهی؛ روش غوطه وری؛ ضایعات مواد غذایی؛ بسته بندی های هوشمند | ||
عنوان مقاله [English] | ||
Introducing and Efficiency of Some Natural pH-Indicators for Use in Smart Food Packaging | ||
نویسندگان [English] | ||
Behnaz Bazargani-Gilani1؛ Zahra Izadpanahi2؛ Zahra Kafrashi2؛ Fatemeh Salimi2؛ Fatemeh Zarei2 | ||
2Department of Food Hygiene and Quality Control, Bu-Ali Sina University, Hamedan, Iran | ||
چکیده [English] | ||
The usage of pH indicators that discolor with spoilage and pH changes of the food has been considered in the food packaging, recently. Some herbal products and their residues that contain pH sensitive compounds can be introduced and used to produce smart, healthy and cost-effective packaging in food products. In this study, the efficiency of borage flower, red apple peel, red cabbage, red radish peel, barberry fruit, red beet root peel, mallow flower and eggplant peel extracts was investigated against pH changes. After preparing their aqueous-ethanolic extracts by maceration method, their color response were evaluated at pH range of 3-12 using hydrochloric acid and sodium hydroxide solutions. The color changes of the extracts were analyzed by UV-visible spectroscopy in wavelength range of 300-800 nm. According to the findings, red cabbage and red radish peel extracts showed a wider range of color changes at different pH than the other extracts, and red beet root peel, mallow flower, borage flower, eggplant peel, apple peel and Barberry fruits were placed in the next ranks, respectively. It can be concluded that red cabbage and red radish peel extracts are more sensitive to pH changes and show the color responses with the higher accuracy than the other extracts and can be introduced as natural cost-effective pH indicators in smart food packaging for timely monitoring of food spoilage. | ||
کلیدواژهها [English] | ||
pH Indicator, Herbal Extracts, Maceration Method, Food Waste, Smart Packaging | ||
مراجع | ||
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