phylloerythrin

noun

phyl·​lo·​er·​y·​thrin ˌfil-ō-ˈer-ə-thrən, -i-ˈrith-rən 

: a rose-red photosensitizing porphyrin pigment formed as a degradation product of chlorophyll in the digestive tract of herbivorous animals and normally excreted especially in the bile but absorbed by the blood in pathological conditions (as geeldikkop)