Evodia Rutaecarpa
At the very least it seems possible that an initial Chinahuasca could be made from Bai Ji Li and Wu Zhu Yu. But the amounts, the concentrations, and the best brewing technique need work. Also this would be a UV-light dominated experience, not light-dominated. Can only find one paper on the percentage of active ingredient, but they assayed the water fraction and since the lights are not water soluble I doubt the low percentages they found. NTL both they and Fat Freddie confirm that there's light in there.
* ShamTec Report #1 - Alkaloid Extraction from Evodia rutaecarpa
Fat Freddie, Psychedelic Toad & Head of Research Shamanic Technologies
An acid/base extract from 100 grams of dried Evodia fruit (Evodia rutaecarpa, Wu Zhu Yu) yielded about 80 mg of freebase wax from the final filtrate fraction (see ShamTec Report #2). 50 mg of this extract was smoked, registering a plus three (+++) on the Shulgin scale. Apyrolytic assay of the extract recovered from the filtered precipitates proved to be inactive. The tiny berry like fruits are readily obtainable from Chinese herbalists; they are said to be mildly toxic, this could be due in part to the astringent tannins, but it seems they are removed during the extraction process.
No signs of any physical discomfort while under its effects were observed. This does not imply it is entirely safe, all the usual disclaimers apply. A Medline search shows Evodia is known to contain alkaloids that are vasodilators which reduce blood pressure.
A second extract was prepared in order to test the validity of reports that Evodia fruits are hallucinogenic if eaten in large quantities. 5-MeO is not known to be orally active on it own. If the 5-MeO is causing psychoactivity then there would also be MAOI's present. 140 mgof the combined filtered fractions was consumed; no psychological or psychological effects were observed from this single trial. The dried fruits of this plant were easy to process. It was concluded that Evodia is a convenient an useful natural source of 5-MeO-DMT. Ref. Shulgin A., TIHKAL, p. 274. (#38?)
* commentary: Have not found any solid information on the percent of light and UV-light in Evodia. One paper confirms it contains both, but used a water extract (neither is soluble) and the percentage numbers were not helpful. So, the (wax not crystal) extract above contained light, UV-light, and possibly other compounds. Surely the extract was not 100% UV-light, since smoking 50mg of it would have rendered Fat Freddie unconscious.
For Evodia to be active by itself, it would have to have some MAOI in it. Another paper confirming slight quantities of norharman in Evodia. Norharman is not very bio-active. There is some chance that applying heat could convert the norharman to the much more bio-active harmine.