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بررسی اثر پوشش کربوکسی متیل سلولز حاوی نانورس و اسانس نعناع بر ویژگی‌های انبارمانی تخم‌مرغ | ||
| مهندسی بیوسیستم ایران | ||
| مقاله 5، دوره 48، شماره 2، مرداد 1396، صفحه 229-239 اصل مقاله (1.12 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijbse.2017.62465 | ||
| نویسندگان | ||
| بهزاد ناصحی* 1؛ حسن برزگر1؛ مهران نوری2؛ شیما جلدانی2 | ||
| 1عضو هیات علمی | ||
| 2دانش آموخته کارشناسی ارشد | ||
| چکیده | ||
| امروزه استفاده از پوششهای خوراکی زیست‌تخریب‌پذیر با اهمیت است. در این مطالعه از پوششهای بر پایه کربوکسی متیل سلولز حاوی نانورس و اسانس نعناع برای تخم مرغ استفاده شد. بدین منظور ابتدا ترکیب پوشش با طرح مرکب مرکزی بر اساس مقاومت به کشش، کشش‌پذیری و نفوذپذیری به بخار آب بهینه‌سازی شد. نمونه بهینه شامل 48/3 درصد نانورس و 35/1 درصد اسانس بود. سپس کاهش وزن، pH سفیده، شاخص هاو و زرده تخم مرغ‌های با پوشش کربوکسی متیل سلولز، با پوشش بهینه و بدون پوشش (شاهد)، با یکدیگر طی نگهداری در شرایط یخچال و محیط مقایسه شدند. بررسی نتایج نشان داد که ویژگی‌های کیفی تخم مرغ‌های پوشش داده شده با زیست پلیمر بهینه با افت کمتری طی مدت نگهداری در یخچال و محیط، نسبت به نمونه شاهد همراه بودند. در نتیجه استفاده از این نوع پوشش همراه با کنترل دمای نگهداری، میزان ماندگاری تخم مرغ را به مقدار زیادی افزایش می‌دهد. | ||
| کلیدواژه‌ها | ||
| تخم مرغ؛ نعناع فلفلی؛ پوشش ضد میکروبی؛ شاخص هاو | ||
| عنوان مقاله [English] | ||
| Effects of carboxymethyl cellulose coating with nanoclay and peppermint essence on the characteristics of egg during storage | ||
| چکیده [English] | ||
| In recent years the use of polysaccharides as biodegradable coatings for food has become important. In this study, the effect of carboxymethyl cellulose-based coating containing clay and peppermint oil on quality characteristics such as Haugh and yolk index, egg weight and pH during storage in the refrigerator and the room condition were investigated. For this purpose, the coating formulation using a central composite design based on Tensile strength, Elasticity and Water vapor permeability of coatings were optimized. so that the optimal sample was consisted of clay 3.48 percent and essential oil 1.35 percent. Then, using a completely randomized design eggs uncoated, coated with carboxymethyl cellulose and with optimal coating were compared the evaluation results of the qualitative characteristics indicate significant differences among the treatments with the control. Also, essence has significant effects on all the characteristics of eggs during storage. Generally, all the qualitative features of optimal coating samples with less deterioration during storage in the refrigerator and the room, compared to the control samples were associated. As a result of using this type of coverage beside of controlling storage temperatures, the shelf life of eggs will increase a lot. | ||
| کلیدواژه‌ها [English] | ||
| egg, Peppermint, Antimicrobial coating, Haugh index | ||
| مراجع | ||
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