Riddelliine

Riddelliine is a chemical compound classified as a pyrrolizidine alkaloid. It was first isolated from Senecio riddellii and is also found in a variety of plants including Jacobaea vulgaris, Senecio vulgaris, and others plants in the genus Senecio.

Riddelliine can be found as a contaminant in foods such as meat, grains, seeds, milk, herbal tea, and honey.