کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5157207 1500589 2017 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Structural and physicochemical properties of granular starches after treatment with debranching enzyme
ترجمه فارسی عنوان
خواص ساختاری و فیزیکوشیمیایی نشاسته های گرانول پس از درمان با آنزیم دگرنگری
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آلی
چکیده انگلیسی
The present study modified maize and potato granular starches by partial debranching treatment below the gelatinization temperature, and investigated their structural and physicochemical properties. Pullulanase was much effective (more than three times) on hydrolyzing potato starch compared to maize starch as measured from total carbohydrate values in the supernatant. The pullulanase hydrolysis decreased the amount of double helices as observed from DSC measurement. These effects were dependent upon the time of enzyme hydrolysis (24 h > 8 h > 1 h) as well as type of starch (potato > maize). The pullulanase hydrolysis decreased the peak viscosity of the potato starch paste, whereas the effect was very less pronounced for maize starch. The current results showed that it is possible to achieve the starches with desired physicochemical properties by varying the starch type as well as modification process.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbohydrate Polymers - Volume 169, 1 August 2017, Pages 351-356
نویسندگان
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