Sugar – Beet or Cane?
Potential adulteration of sucrose-based sugar products with beet sugar requires reliable and fast methods for discriminating amount and origin…
Aloe vera – Several compounds in one measurement!
Aloe vera is one of the most widely cultivated succulent plant species in the world. However, how can we determine the quality of Aloe Vera products?…
1H-NMR multiple component analysis: Coconut Water
What is coconut water? Coconuts also contain coconut water aside from the well-known coconut milk. However, you do not get coconut water by squeezing the pulp of a ripe coconut but rather by taking it from the cavity from a young coconut. The younger a coconut is, the...
Multicomponent Analysis of Vitamins in Multivitamin Preparations by qNMR
17 parameters including vitamin A, B, C, D, E and K in multivitamin preparation in only one analysis run? This is possible with NMR spectroscopy…
Coffee – Arabica or Robusta, who are you?
Are you sure you are drinking 100% arabica coffee at the moment – as labelled? Or is it a blend?…
13C NMR analysis of peptides and amino acids
Amino acids, peptides and proteins can be analyzed by 1H and 13C NMR spectroscopy after hydrolysis with DCl. After the acid hydrolysis, amino acids exist in their free form which can be analyzed by 1H and 13C NMR spectroscopy…
Recent Comments