کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1385950 | 982463 | 2006 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Studies on isolation and structural features of a polysaccharide from the mycelium of an Chinese edible fungus (Cordyceps sinensis)
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
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چکیده انگلیسی
The mycelium of an Chinese edible fungus (Cordyceps sinensis) was found to contain a d-glucan. Methylation, Smith degradation, acetolysis, NMR spectroscopy (1H, 13C, 13C–1H 2D-COSY) and acid hydrolysis studies were conducted to elucidate its structure. The results indicated that the d-glucan consisted of a backbone composed of (1→4)-d-glucosyl residues and carried a single (1→6)-linked d-glucosyl residue. α-d-glucosidic linkages were present in the polysaccharide according to i.r. and NMR spectra. The d-glucan gave with iodine a faint blue color that had λmax 564 nm, indicating the polysaccharide of α-(1→4)-linkages with short, exterior chains.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbohydrate Polymers - Volume 63, Issue 2, 3 February 2006, Pages 251–256
Journal: Carbohydrate Polymers - Volume 63, Issue 2, 3 February 2006, Pages 251–256
نویسندگان
Wu Yalin, Sun Cuirong, Pan Yuanjiang,