ارزیابی خواص فیزیکوشیمیایی و ممانعت‌کنندگی فیلم خوراکی بر پایة ایزولة پروتئین خلر (Lathyrus sativus) با استفاده از روش سطح پاسخ

نوع مقاله : مقالات پژوهشی

نویسندگان

1 دانشگاه آزاد اسلامی

2 جهاددانشگاهی، مشهد

3 دانشگاه فردوسی مشهد

چکیده

حبوبات، منابع غنی از پروتئین بوده و گزینه مطلوب برای تهیه فیلم‌های پروتئینی به‌شمار می‌آیند. در این پژوهش از طرح مرکب مرکزی، به‌منظور بررسی تأثیر همزمان؛ نسبت ایزوله پروتئین خلر (2–10درصد)، گلیسرول (5/0- 7 درصد) و اسید اولئیک (0– 2 درصد) بر خصوصیات فیلم خوراکی تهیه شده از ایزوله پروتئین خلر نظیر میزان ضخامت، دانسیته، درصد مواد محلول در آب، اسید و قلیا، نفوذپذیری به بخار آب و اکسیژن، استفاده شد. نتایج پژوهش نشان داد؛ نفوذپذیری به بخار آب با افزایش غلظت پروتئین و گلیسرول به‌طور معنی‌داری افزایش و با افزایش غلظت اسید اولئیک کاهش یافت. حلالیت در آب و اسید با افزایش میزان پروتئین کاهش و با افزایش میزان گلیسرول و اسید اولئیک افزایش نشان داد (P

کلیدواژه‌ها


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