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بررسی تاثیر بسته بندی در حفظ کیفیت و افزایش زمان نگهداری حلوا جوزی | ||
| علوم و فنون بستهبندی | ||
| دوره 16، شماره 63، آذر 1404، صفحه 45-57 اصل مقاله (663.29 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.47176/packaging.2026.1245 | ||
| نویسندگان | ||
| فاطمه یوسف زاده1؛ ناصر صداقت* 2 | ||
| 1دانشجوی دکتری گرایش فناوری علوم و صنایع غذایی، دانشگاه فردوسی مشهد، مشهد، ایران. | ||
| 2استاد گروه علوم و صنایع غذایی، گرایش فناوری، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران | ||
| تاریخ دریافت: 17 آبان 1404، تاریخ بازنگری: 04 آذر 1404، تاریخ پذیرش: 15 آذر 1404 | ||
| چکیده | ||
| در این مقاله با مرور روشها و انواع بستهبندی نمونههای شکلات و شیرینیهای مشابه، روش مناسب بستهبندی جهت حفظ کیفیت و ایمنی حلوا جوزی که نوعی شیرینی سنتی در خراسان رضوی است مورد ارزیابی قرار گرفت. نتایج مطالعات مختلف نشان داد که برای محصولاتی که شرایط نگهداری مشابه با حلوا جوزی دارند و همچنین مغزها به جهت استفاده در فرایند تولید حلوا جوزی، نوعی شیرینی سنتی به شمار میآید و حفظ طعم تازگی مغز گردوی استفاده شده در آن حائز اهمیت میباشد. این محصول به رطوبت، دما و اکسیژن حساس است. مواد مناسب جهت بستهبندی حلوا جوزی برای بستهبندی اولیه استفاده از فیلم چند لایه برای هر برش، حاوی پلی پروپیلن دو محوره کشیده شده بههمراه پلیاتیلن و یا پلیاتیلن ترفتالات همراه با پلی اتیلن (BOPP/PE یا PET/PE) و بستهبندی ثانویه استفاده از جعبه مقوایی شکیل با روکش داخلی پلی اتیلن برای جلوگیری از نشت چربی، میباشد. با رعایت این نکات اشاره شده در این مقاله، میتوان حلوا جوزی را به بهترین شکل بستهبندی کرده و از کیفیت و تازگی آن محافظت نمود. در آزمون ارزیابی حسی این محصول تعداد 20 نفر از داوران آموزش دیده، انتخاب شدند. سامانه امتیازدهی بصورت مقیاس هدونیک 5 امتیازی (خیلی ضعیف: 1 و عالی: 5) بود. نمونههای حلواجوزی بصورت سنتی و بدون بستهبندی با نمونههای بستهبندی شده صنعتی در اختیار ارزیابان قرار گرفت و نتایج ارزیابی حسی دو نمونه بستهبندی شده بصورت صنعتی و نمونه بدون بسته بندی، نشان داد، برای تمام ویژگیهای حسی ( در سطح اطمینان 95 درصد) تفاوت معنیداری بین دو نمونه مشاهده شد که نمونه بستهبندی شده نسبت به نمونه دیگر دارای رنگ یکنواختتر، بافت نرمتر و عطر تازهتر است. در نمونه بدون بستهبندی، نشانههایی از کاهش عطر به علت تماس با هوا و تغییر رنگ سطحی مشاهده شد. نتایج آزمون تجزیه وتحلیل بافت نشان داد، نمونه های بسته بندی شده، بهدلیل حفظ رطوبت و چربیها، بافت نرمتر و سختی کمتری نشان دادند. | ||
| کلیدواژهها | ||
| بسته بندی؛ حلوا جوزی؛ ماندگاری؛ کیفیت | ||
| عنوان مقاله [English] | ||
| The Effect of Packaging on Maintaining the Qquality and Increasing the Shelf Life of Walnut Halva | ||
| نویسندگان [English] | ||
| Fatemeh Yousefzadeh1؛ Naser Sedaghat2 | ||
| 1PhD Student, Food Science and Technology, Ferdowsi University of Mashhad, Mashhad, Iran. | ||
| 2Professor, Food Science and Technology Department, Technology Department, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran | ||
| چکیده [English] | ||
| In this article, by reviewing the methods and types of packaging of chocolate and similar sweets, the appropriate packaging method for maintaining the quality and safety of walnut halva, which is a traditional sweet in Khorasan Razavi, was evaluated. The results of various studies showed that for products that have similar storage conditions as walnut halva, as well as nuts for use in the production process of walnut halva, it is considered a traditional sweet, and maintaining the freshness of the walnut kernels used in it is important. This product is sensitive to humidity, temperature, and oxygen. Suitable materials for packaging walnut halva include the use of multilayer film for each slice for primary packaging, containing biaxially stretched polypropylene with polyethylene or polyethylene terephthalate with polyethylene (BOPP/PE or PET/PE), and the use of a stylish cardboard box with an inner polyethylene coating to prevent fat leakage for secondary packaging. By observing these points mentioned in this article, walnut halva can be packaged in the best way and its quality and freshness can be protected. In the sensory evaluation test of this product, 20 trained judges were selected. The scoring system was a 5-point hedonic scale (very poor: 1 and excellent: 5). walnut halva samples were provided to the evaluators in a traditional and unpackaged form along with industrially packaged samples, and the results of the sensory evaluation of the two industrially packaged samples and the unpackaged sample showed that for all sensory characteristics (at a 95% confidence level), a significant difference was observed between the two samples, with the packaged sample having a more uniform color, softer texture, and fresher aroma than the other sample. In the unpackaged sample, signs of aroma reduction due to contact with air and surface discoloration were observed. The results of the texture analysis test showed that the packaged samples showed a softer texture and less hardness due to the preservation of moisture and fats. | ||
| کلیدواژهها [English] | ||
| Packaging, Walnut Halva, Shelf Life, Quality | ||
| مراجع | ||
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