Complex sentence: Each fruit contains three to six shiny, black seeds which are coated in a charcoal-like substance called phytomelan which may serve to protect the seeds from the digestive process in the gut of a bird.
Split into simpler sentences: Each fruit contains three to six shiny, black seeds which are coated in a charcoal-like substance called phytomelan. The latter may serve to protect the seeds from the digestive process in the gut of a bird.