Ok I will repost my way, yet I hope other memebers who do it in similar yet different way also share theirs teks,
@ endlessness, since you are such an authority, and I conclude a professional, I wonder why do you suggest boiling?
1.
Defeating with non polar solvent 2x
2.
Add cold vinegar
2x, only for one hour each.
I did it few times to see if 3rd is necessary, and I had no harmalas,
Don't filter, but go with t shirt and squizze as much as you can, on later steps filter.
3.
These steps are as the other tecs.
NaOH
2x
4.
Vinegar + your harmalas for manske
10g x 100ml of water
5.
Redissolve in vinegar and add sodium carbonate for free base, or use it again for last manske.
This is so fast, you can do it in few hours, and my y yield is is around 1300 mg from 20 g of rue.
Also, I don't wash the NaOH stage with water to preserve harmaline, and for this reason sodium carbonate is use at the end.
Some other members use HCl instead of vinegar, and phosporic acid in last step, but they better write that process themselves since I haven't done it that way.
Let me know what you think.
jox
EDIT
This paper has inspired me for some steps, those with more knowledge are welcome to elaborate.
Extraction of harmaline