The Collaborative International Dictionary
Daphnin
Daphnin \Daph"nin\, n. [Cf. F. daphnine.] (Chem.)
A dark green bitter resin extracted from the mezereon ( Daphne mezereum) and regarded as the essential principle of the plant. [R.]
A white, crystalline, bitter substance, regarded as a glucoside, and extracted from Daphne mezereum and Daphne alpina.
Wiktionary
daphnin
n. (context organic compound English) A plant toxin originally isolated from the mezereon.
Wikipedia
Daphnin
Daphnin is a plant toxin. It can be produced from dihydroxycoumarin by O-dihydroxycoumarin 7-O-glucosyltransferase.