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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 | ||
مراجع | ||
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