Hmm.. I was just noticing this figure:
Yeah, obviously the peak of FKs in the UV, but I wonder what your spectra would look like with a UV-VIS spectro. Would the broad peak around 420 shift to the UV? I think it might. Now that spiky thing at 435 nm is cool, but could be indicative of finer structure of the FKs, rather than a separate compound, that is "revealed" when the FK concentration is high enough. You could answer that question by doing pure FKB/C in your spectrometer. That figure of Lebot's (Figure 2) looks like the resolution might not be good enough to see that spike: it looks too smooth.
If that's what it is, then they would be temperature dependent. If you chilled the sample the pattern of the spikes should change. Likewise if you heat the sample.
Hi Deleted User, thank you so much for sharing this. Anything that ensures the safety of the Kava we drink is great news to me. I am particularly interested in the graph showing the testing of the adulterated Nene. To what degree can adulteration be detected? It would seem by that graph that a 25% Tudei mix is detectable, but what about lesser amounts? Is there a point in which it is possible to "sneak" Tudei through the tests?
The Hawaiian kavas from GHK are a useful reference, because Chris grows them himself, and is an expert on Hawaiian cultivars. He controls production from dirt to bag. There is no chance they could be adulterated. Other vendors who buy from wholesale sellers can never be sure what they are getting.
I think you are correct, I know that in Hawaiian history they talk about giving the 'Awa Nene to children. They really know what they were doing when it comes to plants in Hawaii. They have to because if it does not grow here it has to be brought here and we know 'Awa was important enough for them to bring it with them on the canoe's and it is not like they can hop in a canoe and go to California to get some supplies, they knew what they were talking about back then. Aloha.
I read that Nene is the most Noble of the Noble somewhere in this forum. For this reason I chose Nene as my known Noble control in my 1st acetone test. It was a good call as it certainly appears to have the lightest color in the test. Nene on the far left -
Actually, kavas are either noble or not, there is not really such a thing as a kava that is "more noble" than another (if you are talking about pure cultivars; if the kava is adulterated with two day you can talk about percent noble vs. percent two day in the mixture, though)
