verticity
I'm interested in things
Lebot has a new paper to be published soon where he describes a method to measure kavain/DHM ratio (and also flavokavains) with UV spectroscopy, using basically the same methods I have been discussing here. His method can't tell the complete chemotype, but it can measure kavain/DHM ratio well enough to distinguish noble from tudei (and wichmannii) to a statistically significant degree:
http://kavascience.org/posts/t36fin...i--New-paper-by-Legendre--Lebot-and-coleagues
http://kavascience.org/posts/t36fin...i--New-paper-by-Legendre--Lebot-and-coleagues