کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7598965 1492142 2014 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Comparison of four kinds of extraction techniques and kinetics of microwave-assisted extraction of vanillin from Vanilla planifolia Andrews
ترجمه فارسی عنوان
مقایسه چهار نوع تکنیک های استخراج و سینتیک استخراج از وانیلین با استفاده از مایکروویو از وانیل پلین فولیای اندروز
کلمات کلیدی
روش استخراج، عملکرد وانیلین، فعالیت آنتیاکسیدانی، بخور سینتیک،
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
چکیده انگلیسی
Vanillin yield, microscopic structure, antioxidant activity and overall odour of vanilla extracts obtained by different treatments were investigated. MAE showed the strongest extraction power, shortest time and highest antioxidant activity. Maceration gave higher vanillin yields than UAE and PAE, similar antioxidant activity with UAE, but longer times than UAE and PAE. Overall odour intensity of different vanilla extracts obtained by UAE, PAE and MAE were similar, while higher than maceration extracts. Then, powered vanilla bean with a sample/solvent ratio of 4 g/100 mL was selected as the optimum condition for MAE. Next, compared with other three equations, two-site kinetic equation with lowest RMSD and highest Radj2 was shown to be more suitable in describing the kinetics of vanillin extraction. By fitting the parameters Ceq, k1, k2, and f, a kinetics model was constructed to describe vanillin extraction in terms of irradiation power, ethanol concentration, and extraction time.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Food Chemistry - Volume 149, 15 April 2014, Pages 54-61
نویسندگان
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