Quantitative 1 H nuclear magnetic resonance (qHNMR) methods for accurate purity determination of glucosinolates isolated from Isatis indigotica roots

2020 ◽  
Vol 32 (1) ◽  
pp. 104-111
Author(s):  
Qihui Guo ◽  
Zeyun Li ◽  
Lulu Shen ◽  
Ying Xiao ◽  
Zhihong Cheng
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Isatis Indigotica ◽  
Purity Determination ◽  
Nuclear Magnetic

Oil content of cotton seed in Northern Nigeria: 1. Assessment of nuclear magnetic resonance for the determination of the oil percentage of cotton seed

1977 ◽  
Vol 88 (3) ◽  
pp. 727-729 ◽  
Author(s):  
J. B. Smithson ◽  
H. E. Gridley
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Cotton Seed ◽  
Oil Content ◽  
Northern Nigeria ◽  
Local Varieties ◽  
Oil Percentage ◽  
Conventional Solvent Extraction ◽  
Nuclear Magnetic

SUMMARYThe oil content of a number of introduced and local varieties was determined using three nuclear magnetic resonance oil analysers at different centres and compared with results from conventional solvent extraction. Differences were evident between the three centres and between the techniques but in both cases the rankings were similar.

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