The boar-pheromone steroid has been identified in celery and parsnip. - GreenMedInfo Summary
The boar-pheromone steroid identified in vegetables.
Experientia. 1979 Dec 15 ;35(12):1674-5. PMID: 520500
The steroid 5 a-androst-16-en-3-one, known as a boar pheromone, was identified in parsnip (Pastinaca sativa) and celery (Apium graveolens). Concentrations are in the range of 8 ng/g plant.