books.google.dk - "A useful guide for home economists, dieticians and homemakers of the composition of commonly used food products, both local and imported."...https://books.google.dk/books/about/Tabla_de_composici%C3%B3n_de_alimentos_de_us.html?hl=da&id=HrqYb77sGqIC&utm_source=gb-gplus-shareTabla de composición de alimentos de uso corriente en Puerto Rico