Insight into the composition and evolution of compost-derived dissolved organic matter using high-performance liquid chromatography combined with Fourier transform infrared and nuclear magnetic resonance spectra

2015 ◽  
Vol 1420 ◽  
pp. 83-91 ◽  
Author(s):  
Xiao-Song He ◽  
Bei-Dou Xi ◽  
Wen-Tao Li ◽  
Ru-Tai Gao ◽  
Hui Zhang ◽  
...  
Keyword(s):  
Nuclear Magnetic Resonance ◽  
High Performance Liquid Chromatography ◽  
Organic Matter ◽  
Fourier Transform ◽  
Liquid Chromatography ◽  
Magnetic Resonance ◽  
Dissolved Organic Matter ◽  
High Performance ◽  
Nuclear Magnetic Resonance Spectra ◽  
Insight Into

Determination and Identification of Chondroitin Sulfate from Tilapia Byproducts

2013 ◽  
Vol 690-693 ◽  
pp. 1318-1321 ◽  
Author(s):  
Zhen Hua Duan ◽  
Chang Yu Cheng ◽  
Yang Hai ◽  
Ju Lan Wang
Keyword(s):  
Nuclear Magnetic Resonance ◽  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Magnetic Resonance ◽  
Chondroitin Sulfate ◽  
Infrared Spectra ◽  
Oreochromis Niloticus ◽  
High Performance ◽  
Nmr Spectra ◽  
Ir And Nmr Spectra

In order to probe the structure of chondroitin sulfate (CS) from tilapia fish, the CS was extracted from tilapia (Oreochromis niloticus) byproducts with the combination of ultrasonic and microwave, some means including high performance liquid chromatography (HPLC), infrared spectra (IR) and nuclear magnetic resonance (NMR) were used in this paper. The data of HPLC exhibited that the obtained chondroitin sulfate is of highly purity (98.78%). IR and NMR spectra indicated that the sample consisted of both chondroitin-4-sulfate and chondroitin-6-sulfate, and the proportion of chondroitin-6-sulfate was higher than chondroitin-4-sulfate.

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