Chapters 10 11 - Montana State University：11 10蒙大拿州立大学....ppt

Chapters 10 & 11THE VITAMINSVitamins?Vitamins– organic nutrients required in trace amounts ?Essential to the regulation of body processes?Noncaloric?Divided into 2 groups based on solubility: Fat-soluble & Water-solubleThe Fat-Soluble VitaminsCopyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson LearningVitamin A?Other names–Retinol–Retinal–Retinoic acid–Precursors are carotenoids such as beta-carotene made by plantsCopyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson LearningVitamin A & Beta-CaroteneCopyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson LearningVitamin A?Chief functions in the body–Vision–Maintenance of cornea, epithelial cells, mucous membranes, skin–Bone and tooth growth–Reproduction –Immunity–Beta-carotene as an antioxidant (may help prevent cancer & heart disease)Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson LearningVitamin A?Chief functions in the body–Vision–Maintenance of cornea, epithelial cells, mucous membranes, skin–Bone and tooth growth–Reproduction –Immunity–Beta-carotene as an antioxidant (may help prevent cancer & heart disease)Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson LearningBeta-he color of Vitamin A foods - spinach and other dark leafy greens; oli, deep orange fruits (apricots, cantaloupe) and vegetables (squash, carrots, sweet potatoes, pumpkin)Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson LearningVitamin A?Significant sources–Retinol: fortified milk, cheese, cream, butter, fortified margarine, eggs, liver?2001 RDA–Men: 900 ?g/day–Women: 700 ?g/dayCopyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Gro