Poisonous effects thumb|Structure of senecionine Ragwort contains many different alkaloids, making it poisonous to certain animals. (EHC 80,section 9.1.4). Alkaloids which have been found in the plant confirmed by the WHO report EHC 80 are -- jacobine, jaconine, jacozine, otosenine, retrorsine, seneciphylline, senecionine, and senkirkine (p. 322 Appendix II). There is a strong variation between plants from the same location in distribution between the possible alkaloids and even the absolute amount of alkaloids varies drastically.
poisonous effects thumb|structure of senecionine ragwort contains many different alkaloids making it poisonous to certain animals (ehc 80section 914) alkaloids which have been found in the plant confirmed by the who report ehc 80 are -- jacobine jaconine jacozine otosenine retrorsine seneciphylline senecionine and senkirkine (p 322 appendix ii) there is a strong variation between plants from the same location in distribution between the possible alkaloids and even the absolute amount of alkaloids varies drastically