WTF Fun Fact – Violet Ionine

WTF Fun Fact - Violets Can Block Your Smell

Violets can be smelled for only a few moments at a time because they get their scent from ionine which shuts the smell receptors off after simulating them. After a few breaths the scent pops up again. WTF Fun Facts

Source:
https://www.ncbi.nlm.nih.gov/pubmed/12643663