The passion fruit (Portuguese: maracujá and Spanish: maracuyá, both from the Tupi mara kuya, lit.
The name passion fruit derives from 18th century Christian missionaries who interpreted the flower as a religious symbol.
[1] The Portuguese maracujá and Spanish maracuyá are both derived from the Tupi mara kuya "fruit that serves itself" or "food in a cuia".
Several varieties of passion fruit are rich in polyphenols,[6][7] and some contain prunasin and other cyanogenic glycosides in the peel and juice.
[8] Passion fruit originates from South America, specifically from the region stretching from southern Brazil through Paraguay to northern Argentina.