Toxic alkaloids are harmful substances found in certain plants, animals, or microorganisms. These chemicals can cause damage or illness when ingested or come into contact with the body. Full definition
These contain toxic alkaloids and solanine, which if eaten in quantity, may cause gastrointestinal problems, drooling, and loss of appetite. (notinthedoghouse.com)
He surmised that the parrots were not ingesting soil for minerals but rather to counteract toxic alkaloids in the seeds and unripe fruit that make up a large part of their diet. (scientificamerican.com)
Caldwell examined the stomach contents of nine species of frog from Central and South America (Imagine looking into a stomach the size of a speck, she says) and found 135 species of ant, which contained 15 to 20 different toxic alkaloids. (discovermagazine.com)