1. Carotenoids and pro-vitamin A value of white fleshed Brazilian sweet potatoes (Ipomoea batatas Lam.);Almeida;Journal of Food Composition and Analysis,1988
2. Chemical characterization of Brazilian beet leaves: provitamin A value with and without the saponification step for raw and cooked samples;Almeida-Muradian;Bollettino Chimico Farmaceutico.,1997
3. Determination of provitamin A of green leafy vegetables by high performance liquid chromatography and open column chromatography;Almeida-Muradian;Bolletino Chimico Farmaceutico.,1998
4. Carotenoids and ascorbic acid composition from commercial products of cashew apple (Anacardium occidentale L.);Assunção;Journal of Food Composition and Analysis,2003
5. Confirmation of the identity of the carotenoids of tropical fruits by HPLC-DAD and HPLC-MS;Azevedo-Meleiro;Journal of Food Composition and Analysis,2004