Comparative Studies on the Characteristics of the Fourier-Transform
Infrared Spectra between Sturgeon and Shark Chondroitin Sulfates
ZHENG Jiang,GUAN Rui-zhang*,HUANG Shi-yu
Fisheries College of Jimei University, Key Laboratory of Science and Technology for Aquaculture and Food Safety in Fujian Province, Xiamen 361021, China
Abstract：The characteristics of the Fourier-transform infrared spectra of sturgeon and shark chondroitin sulfates (CHSs) were comparatively studied. The results show that sturgeon CHS exhibits special vibrations at the wavenumbers of 1 376, 1 344, 1 310, 1 157, 883 and 856 cm-1. Further analysis shows that shark CHS contains 6-sulfated-CHS, while sturgeon CHS contains 4, 6-disulfated CHS, indicating that sturgeon CHS could have higher biological activities in decreasing the toxicity of medicine and in killing cancer cells. In general, the two kinds of CHSs have similar infrared spectra and groups of acylamino, carboxyl, sulfate, and saccharide ring. But the N—H variable-angle vibration of acylamino group of sturgeon CHS occurs at the higher wavenumber, and the vibration intensity of carboxyl group at 1 415 cm-1 is also stronger than that of shark CHS. Chemical analysis shows that sturgeon CHS has a higher content of glucuronic acid, suggesting that it probably could be a better kind of medical materials for the bone mineralization.
郑江,关瑞章*,黄世玉. 鲟鱼和鲨鱼硫酸软骨素红外光谱特性的比较研究[J]. 光谱学与光谱分析, 2008, 28(01): 106-109.
ZHENG Jiang,GUAN Rui-zhang*,HUANG Shi-yu. Comparative Studies on the Characteristics of the Fourier-Transform
Infrared Spectra between Sturgeon and Shark Chondroitin Sulfates. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 28(01): 106-109.
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