Examination of D-fructose 1,6-diphosphate and related sugar phosphates by Fourier transform phosphorus-31 nuclear magnetic resonance spectroscopy

Biochemistry ◽  
1971 ◽  
Vol 10 (25) ◽  
pp. 4705-4711 ◽  
Author(s):  
Gary R. Gray
1996 ◽  
Vol 79 (2) ◽  
pp. 423-425 ◽  
Author(s):  
George A Moniz ◽  
Gerald B Hammond

Abstract A new method for the separation and identification of ambrein in ambergris using adsorption chromatography and 1H and 13C Fourier transform nuclear magnetic resonance spectroscopy (FT-NMR) is presented. We demonstrated the effectiveness of this method by analyzing an approximately 85-year-old sample of suspected ambergris from the New Bedford Whaling Museum (New Bedford, MA). Results prove that ambrein remains a major constituent of ambergris even after 85 years of storage under ordinary conditions.


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