Examples from the Web for alkaloidal
There appears to be little doubt that the active principle in this beverage is a poison of an alkaloidal nature.
Picric acid, mercuric chloride, and alkaloidal “group reagents” give no precipitate.Poisons: Their Effects and Detection|Alexander Wynter Blyth
We may take piperidine and coniine as examples of the methods followed in alkaloidal synthesis; these are pyridine bases.
The root, leaves, and berries are poisonous, this property being due to the presence of an alkaloidal principle—Atropia.Memoranda on Poisons|Thomas Hawkes Tanner
The symptoms are described in detail, being in general, similar to those of alkaloidal poisoning.Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron)|William Anderson Syme