From the Nutrition and Neurocognitive Laboratory, Jean Mayer US
Department of Agriculture Human Nutrition Research Center on Aging at
Tufts University, Boston (CS-M and AM); the Department of Plant Foods Science
and Technology, Instituto del Frío-CSIC, Madrid (MPC, BdA, and LP);
and the Unit of Vitamins, Section of Nutrition, Clínica Puerta de Hierro,
Madrid (BO and FG).