Assertion: parsnip's leaf | /r/HasProperty | handled with care
Facets:
value: as its sap contains furanocoumarins
type: OTHER
Source sentences:
text: The shoots and leaves of parsnip must be handled with care, as its sap contains furanocoumarins, phototoxic chemicals that cause blisters on the skin when it is exposed to sunlight, a condition known as phytophotodermatitis.