quassinoid
quassinoid
Members of the class of triterpenoid, mostly isolated as bitter principles of the <em>Simaroubaceae</em> family. They are chemically regarded as degraded triterpenes and can be categorized into groups with C<small><sub>18</sub></small>, C<small><sub>19</sub></small>, C<small><sub>20</sub></small>, C<small><sub>22</sub></small> and C<small><sub>25</sub></small> skeletons.