کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1885783 1533505 2016 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Mechanisms of volatile production from non-sulfur amino acids by irradiation
ترجمه فارسی عنوان
مکانیسم تولید فرار از اسید آمینه غیر گوگرد توسط اشعه
کلمات کلیدی
اشعه، فرار آمینو اسید غیر گوگردی، بوی تابش
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم تشعشع
چکیده انگلیسی


• Irradiation increased the amounts of volatiles and produced new volatiles from amino acid monomers.
• Radiolysis of side chain was mainly involved in the production of volatiles from amino acids.
• The odor characteristics of the irradiated non-sulfur amino acids were different from irradiated meat.
• The contribution of volatiles from non-sulfur amino acids can be minor.

Non-sulfur amino acid monomers were used to study the mechanisms of volatile production in meat by irradiation. Irradiation not only produced many volatiles but also increased the amounts of volatiles from non-sulfur amino acid monomers. The major reaction mechanisms involved in volatile production from each group of the amino acids by irradiation differ significantly. However, we speculate that the radiolysis of amino acid side chains were the major mechanism. In addition, Strecker degradation, especially the production of aldehydes from aliphatic group amino acids, and deamination, isomerization, decarboxylation, cyclic reaction and dehydrogenation of the initial radiolytic products were also contributed to the production of volatile compounds. Each amino acid monomers produced different odor characteristics, but the intensities of odor from all non-sulfur amino acid groups were very weak. This indicated that the contribution of volatiles produced from non-sulfur amino acids was minor. If the volatile compounds from non-sulfur amino acids, especially aldehydes, interact with other volatiles compounds such as sulfur compounds, however, they can contribute to the off-odor of irradiated meat significantly.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Radiation Physics and Chemistry - Volume 119, February 2016, Pages 64–73
نویسندگان
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