Lecture 10 Fall 09

Lecture 10 Fall 09 - The Vitamins: Fat Soluble Fall 2009...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
The Vitamins: Fat Soluble Fall 2009 Prof Mutz
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Vitamins: Definition & Classification Vitamins - essential, non caloric, organic nutrient Indispensible for physiological functioning Needed in relatively small amounts Precursors Some in food as precursors or provitamins Converted into active vitamin in the body Two Classes
Background image of page 2
Solubility… Fat or Water Soluble Solubility confers many of their characteristics How they are absorbed in the Gastrointestinal Tract Method of transportation throughout the body Whether or not they can be stored How easily they are excreted or lost
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Solubility… Fat soluble vitamins are absorbed in conjunction with fat into the lymph Travel in the blood in association with protein carriers Similar to fat circulation Storage: Liver In fat tissue
Background image of page 4
Fat Soluble Vitamins (FSV) Vitamins A, D, E and K Found in the fats and oils of foods Require fat and bile for absorption Once absorbed they are stored in the liver and fatty tissue Need not eat them every day because of the body’s stores Needed in periodic doses (weeks and even months in some cases) Deficiencies occur from chronic low level intake Disease of fat malabsorption Mineral oil, Orlistat, Alli, Olestra Toxicities can occur because of storage/buildup
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Fat Soluble Vitamins Diverse functions in the body Act like hormones Regulating body function Influence gene expression Antioxidants Blood Clotting Bone Health Various physiological functions
Background image of page 6
Vitamin A First recognized fat soluble vitamin Exists as Vitamin A & Plant Derived Precursor Beta Carotene 3 Active forms
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/15/2010 for the course HNSC HNSC25.1 taught by Professor Weintraub during the Spring '08 term at CUNY Brooklyn.

Page1 / 22

Lecture 10 Fall 09 - The Vitamins: Fat Soluble Fall 2009...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online