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The crystalline microstructure and polymorphism of C-type starch from Chinese yam were evaluated by scanning electron microscope (SEM), 13 C cross-polarization magic-angle spinning NMR ( 13 C CP/MAS NMR) and powder X-ray diffraction (XRD) technique and acid hydrolysis method. Morphological changes during acid hydrolysis showed that the amorphous or the less crystalline areas were essentially...
Granule structure of C-type starch separated from Dioscorea opposita Thunb var. Zhongbowen (D. ZBW) was characterized by scanning electron microscope (SEM), X-ray powder diffractometer (XRD) and laser light scattering particle size analyzer (LLSPSA) in the process of acid hydrolysis. D. ZBW starch was treated with 2.2mol/l hydrochloric acid for different lengths of time. The SEM results revealed that...
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