Table 1.
The most important natural sources of neoechinulins.
| Species | Family | Plant part | Extraction | Isolated compounds | References |
|---|---|---|---|---|---|
| Aconitum carmichaelii Debeaux | Ranunculaceae | Root | Ethanolic extract | Neoechinulin A
|
(14) |
| Portulaca oleracea L. | Portulacaceae | Whole | Aqueous extract | Oleraindole A Neoechinulin A  Neoechinulin D  Isoechinulin A  Echinulin 
|
(15) |
| Marine fungi | Eurotium sp. SF-5989 | Sponges | Neoechinulin A Neoechinulin B 
|
(16) | |
| Marine fungi |
Eurotium. Chevalieri Eurotium rubrum Aspergillus amstelodami |
Sponges | Neoechinulin B
|
(17, 18) | |