کاهش آکریل‌آمید در سیب‌زمینی سرخ کرده تحت پیش تیمارهای مختلف (مقاله کامل تحقیقاتی)

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانش‌آموخته کارشناسی‌ارشد صنایع غذایی، واحد تبریز، دانشگاه آزاد اسلامی، تبریز، ایران

2 استادیار گروه علوم و صنایع غذایی، واحد تبریز، دانشگاه آزاد اسلامی، تبریز، ایران

چکیده

آکریل‌آمید در طی فرایندهای حرارتی بالا در موادغذایی غنی از کربوهیدرات تشکیل می‌گردد. به‌دلیل اثرات سوء آن بر سلامتی انسان، پیشگیری و کاهش احتمال ایجاد این ترکیب در طی فرآوری مواد غذایی از جهت ایمنی مصرف‌کننده اهمیت زیادی دارد. با توجه به و مصرف بالای سیب‌زمینی سرخ‌کرده و فراوانی آکریل‌آمید در آن، هدف این تحقیق، تعیین اثر پیش‌تیمارهای مختلف (آنزیم‌بری در آب مقطر، غوطه‌وری در محلول کلریدکلسیم (5/0 و 1 درصد) و پوشش‌دهی با کربوکسی متیل سلولز (1 درصد) بر کاهش آکریل‌آمید و ویژگی‌های حسی سیب‌زمینی سرخ‌شده می‌باشد. اندازه‌گیری محتوای آکریل‌آمید سیب‌زمینی‌های سرخ شده در 150 درجه سلسیوس به‌مدت 7 دقیقه، توسط کروماتوگرافی گازی با آشکارساز یونی شعله‌ای (GC-FID) صورت گرفت. نتایج نشان داد پیش‌تیمارها هر یک به تنهایی و به‌صورت ترکیبی به‌طور قابل‌توجهی از تشکیل آکریل‌آمید در نمونه‌ها به‌میزان متغیر 27 تا 90 درصد جلوگیری کردند. بیشترین کاهش آکریل‌آمید در نمونه‌های تهیه شده با ترکیب سه پیش‌تیمار مشاهده شد (P<0.05). نمونه آنزیم‌بری شده، غوطه‌وری شده در کلریدکلسیم 5/0 درصد و پوشش‌دهی شده با کربوکسی متیل سلولز نیز بالاترین امتیاز را از نظر ویژگی‌های حسی کسب کرد (P<0.05). به‌طورکلی اثرات متقابل تیمار­های مورد بررسی بر روی مقدار آکریل‌آمید سیب‌زمینی­­های سرخ کرده معنی‌دار بود (P<0.05) و به‌نظر می‌رسد با تلفیق این روش­ها، بتوان محصولی با سطح سلامتی بالاتری تولید کرد.

کلیدواژه‌ها


عنوان مقاله [English]

Reduction of acrylamide under different pretreatments in French fries (orginal reserch article)

نویسندگان [English]

  • Tala Rahbar Imani 1
  • Leila Roufegari-Nejad 2
1 M.Sc Graduate in Food Science and Technology, Tabriz Branch, Islamic Azad University, Tabriz, Iran
2 Department of Food Sciences, Tabriz Branch, Islamic Azad University, Tabriz, Iran
چکیده [English]

Acrylamide is formed in carbohydrate-rich foods during high temperature thermal processes. There are well-known biological effects from acute exposure to the high levels of acrylamide, so prevention or elimination of its formation is very important to achieve consumer safety. Due to the ever-increasing consumption of potato and high amount of acrylamide in this product and particularly in French-fried potato, the aim of this study was investigating the effect of different pre-treatments effect [blanching in water, immersion in a calcium chloride solution and coating with carboxymethyl cellulose (CMC)] on reduction of acrylamide content as well as sensory properties of the fried potato. In this regard, the the potato samples were fried in 150°C for 7 min and acrylamide content was measured by gas chromatography with flame ionization detection (GC-FID). The results showed that pre-treatments, either alone or in combination, prevented the formation of acrylamide content varying 27% to 90%, which was statistically significant (p<005). The maximum reduction of acrylamide content was observed in the samples prepared by the combination of three pretreatments. Likewise, the sample blanched, immersed in 0.5% calcium chloride solution and coated with CMC showed the highest score of sensory properties. Consequently, the interaction of the studied pretreatments on the amount of acrylamide content in fried potatoes was significant (p<0.05). It seems that the combination of these pretreatments could possibly results in a healthy product.  

کلیدواژه‌ها [English]

  • Acrylamide
  • Blanching
  • Calcium chloride
  • Carboxymethyl cellulose
  • Potato

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