Study of the carotenoid composition in membrillo, guanabana toreta, jobo and mamey fruits Daniele Giuffrida, Dania Menchaca, Paola Dugo, Paola Donato, Francesco Cacciola and Enrique Murillo Fruits, 70 3 (2015) 163-172 Published online: 22 April 2015 DOI: 10.1051/fruits/2015009