Dear Mr Sabir Nishanbaev,

Crocus sativus (Saffron) has been analyzed to predict the content of alkaloids, flavonoids and saponins. Hope it can help you.Article Estimation of alkaloid, saponin and flavonoid, content in va...

A study reported alkaloid content was found to be (6.4 and 2.4mg/g) in the methanol and water extract of the flowers, similarly the flavonoid content was found to be 1.8, 9.2 and 11.2mg/g in DCM, Methanol and water extract respectively. ... Saffron (Crocus sativus L.) is a light purple flower with reddish colored stigma. https://www.researchgate.net/publication/342707294_Estimation_of_alkaloid_saponin_and_flavonoid_content_in_various_extracts_of_Crocus_sativa

Check https://csuvth.colostate.edu/poisonous_plants/Plants/Details/79

https://www.dovepress.com/investigating-the-effect-of-crocus-sativus-l-petal-hydroalcoholic-extr-peer-reviewed-fulltext-article-JIR

Please check the following RG link.

Article Saffron (Crocus sativus) petal as a new pharmacological targ...

Thanks a lot for your answer!

Yes as shown by this paper

https://www.mdpi.com/2304-8158/9/4/457/pdf

https://link.springer.com/article/10.1186/1471-2210-2-7

https://doi.org/10.1016/j.jtcme.2014.10.009

https://doi.org/10.22038/ijbms.2019.34365.8158

https://doi.org/10.1021/jf300589c

Good luck.

a number of studies identified alkaloids from Crocus sativus

Article Estimation of alkaloid, saponin and flavonoid, content in va...

Article Antinociceptive and anti-inflammatory effects of Crocus sati...

and many more....Check the literature well

Many research showed cucumber contains alkaliods