glutathione 1h-nmr assignment Direct quantification of cysteine and by 1H NMR based on β-cyclodextrin modified silver nanoparticles Mixture Analysis using Predicted Pure
Description
A word of caution is appropriate here

The measured mass of 6.13 mg further validates the accuracy of LeoLabs labeling , demonstrating that the actual content slightly exceeds the stated nominal value a sign of careful synthesis and measurement
Curr Opin Neuobiol
BMJ 371 , m3544 (2020)
