Page 187 - Phytochemistry 2 (06-PG 605)

Classification

I-Non terpenoids
They are classified according to their chemical structure
into:

1-Chromone bitters : khellin and visnagin.
2-Coumarin bitters : xanthotoxin, imperatorin and

bergapten.

3-Rotenoids : rotenone.
4-Anhydride bitters :

cantharidin.5-Lignans
and flavonolignans .
6-Miscellaneous

bitters: humulon
and lupulon.
Cynarin
Gossypol