کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10597287 | 981965 | 2012 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Characterization of high molecular weight dextran produced by Weissella cibaria CMGDEX3
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
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![عکس صفحه اول مقاله: Characterization of high molecular weight dextran produced by Weissella cibaria CMGDEX3 Characterization of high molecular weight dextran produced by Weissella cibaria CMGDEX3](/preview/png/10597287.png)
چکیده انگلیسی
Exopolysaccharide (EPS) producing Weissella cibaria CMGDEX3 was isolated from cabbage on sucrose containing De Man, Rogosa and Sharpe (MRS) agar. Dextransucrase activity and dextran yield was found to be 7.1 DSU mlâ1 and 2.4 g dlâ1, respectively. The structural characterization of purified EPS determined by FTIR, 1H and 13C NMR spectroscopy demonstrated that W. cibaria CMGDEX3 synthesized a linear dextran that predominately had α (1â6) glycosidic linkages with only a few (3.4%) α (1â3) linked branches. Molecular mass determination showed that it was a high molecular weight dextran of an average >2,000,000 Da. According to our knowledge this is the first report on isolation of dextran synthesizing Weissella genus from Pakistan.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbohydrate Polymers - Volume 90, Issue 1, 1 September 2012, Pages 441-446
Journal: Carbohydrate Polymers - Volume 90, Issue 1, 1 September 2012, Pages 441-446
نویسندگان
Rifat Z. Ahmed, Khaizran Siddiqui, Muhammad Arman, Nuzhat Ahmed,