Science paper List of the harmala-type chemicals in Syrian rue

Harmaline

Harmine

Harmalol

Harmol

Harmane

Norharmane

Tetrahydroharmine

Tetrahydroharman

Harmalidine

Harmalacidine

1-Hydroxy-7-methoxy-β-carboline

Acetylnorharmine

Harmic acid methyl ester

Harmine N-oxide

Harmalanine

3-Hydroxylated harmine

2-Aldehyde-tetrahydroharmine

6-Methoxytetrahydro-1-norharmanone

8-Hydroxy-harmine

Dihydroharmane

Tetrahydroharmol

Harmalicine


This was filtered from the list in Table 4 in this article by Grok:

Peganum spp.: A Comprehensive Review on Bioactivities and Health-Enhancing. Sharifi-Rad, J., Quispe, C., Herrera-Bravo, J., Semwal, P., Painuli, S., Özçelik, B., Hacıhasanoğlu, F. E., Shaheen, S., Sen, S., Acharya, K., Amirian, M., Castillo, C. M. S., López, M. D., Schoebitz, M., Martorell, M., Goloshvili, T., Al-Harrasi, A., Al-Rawahi, A., Kumar, M., Suleria, H. A. R., Cho, W. C. 2021. Oxid Med Cell Longev, 2021, pages 1–20, doi: 10.1155/2021/5900422

 

[dithyramb]

İt's the first time I see a few of these alkaloids, and it's surprising to see tetrahydroharman (elaeagnine).

The referenced study is about four different species of Peganum and I am not clear whether all of these alkaloids were found in P. harmala.

Even different populations of P. harmala have varying content and some minor alkaloids may be only from specific populations, let alone be in all different species.

 

[Transform]

All these compounds are included in the list of known beta-carbolines in one of the appendices in the back of TIHKaL, much as I recall.