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VITAMI NS AND MINERALS CHAPTER 18

VITAMINS AND MINERALS CHAPTER 18. VITAMINS Definition - Complex organic substances vital for life. Function – Combines with enzymes to help chemical reactions

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Page 1: VITAMINS AND MINERALS CHAPTER 18. VITAMINS Definition - Complex organic substances vital for life. Function – Combines with enzymes to help chemical reactions

VITAM

INS A

ND

MIN

ERALS

CH

AP T E R

18

Page 2: VITAMINS AND MINERALS CHAPTER 18. VITAMINS Definition - Complex organic substances vital for life. Function – Combines with enzymes to help chemical reactions

VITAMINS

Definition - Complex organic substances vital for life.

Function – Combines with enzymes to help chemical reactions take place.

Megadoses – excessively large amounts of vitamins

Page 3: VITAMINS AND MINERALS CHAPTER 18. VITAMINS Definition - Complex organic substances vital for life. Function – Combines with enzymes to help chemical reactions

VITAMIN DEFICIENCIES

Deficiency Disease – a disease caused by a lack of a specific nutrient

Beriberi – a disease of the nervous system that causes partial paralysis, weakness, mental confusion, and death. Caused by lack of vitamin B1, or thiamine.

Osteomalacia – Adult Rickets (lack of vitamin D)

Pellagra – a disease that causes skin eruption, digestive and nervous disturbances, and eventual mental decline

Page 4: VITAMINS AND MINERALS CHAPTER 18. VITAMINS Definition - Complex organic substances vital for life. Function – Combines with enzymes to help chemical reactions

VITAMIN PRECURSOR

Precursor is a compound that can be changed into a vitamin in the body. Vitamin precursors are also called pro-vitamins.

Beta carotene, is an orange plant pigment that can be changed into vitamin A in the intestines and liver.

Page 5: VITAMINS AND MINERALS CHAPTER 18. VITAMINS Definition - Complex organic substances vital for life. Function – Combines with enzymes to help chemical reactions

TWO CATEGORIES OF VITAMINSW A T E R S O L U B L E -D I S S O LV E I N W A T E R

Thiamin, (vitamin B1)

Riboflavin, (vitamin B2)

Niacin

Vitamin B6

Vitamin B12

Folacin

Pantothenic acid

Biotin

Vitamin C

FA T S O L U B L E -D I S S O LV E I N L I P I D S

Vitamin A

Vitamin D

Vitamin E

Vitamin K

Page 6: VITAMINS AND MINERALS CHAPTER 18. VITAMINS Definition - Complex organic substances vital for life. Function – Combines with enzymes to help chemical reactions

MINERALS

Definition – inorganic elements needed by the body.

Function – help chemical reactions in the body. Often working as a team with vitamins. For example, vitamin C boosts iron absorption, and zinc helps the liver release vitamin A.

Page 7: VITAMINS AND MINERALS CHAPTER 18. VITAMINS Definition - Complex organic substances vital for life. Function – Combines with enzymes to help chemical reactions

TWO CLASSES OF MINERALSM A J O R M I N E R A L S - N E E D E D I N A M O U N T S O F 0 . 1 G O R M O R E D A I L Y .

Sodium

Potassium

Calcium

Phosphorus

Chloride

Sulfur

Magnesium

T R A C E M I N E R A L S - B O D Y N E E D S 0 . 0 1 G O R L E S S

Iron

Iodine

Zinc

Copper

Manganese

Fluoride

Chromium

Selenium

Molybdenum

Page 8: VITAMINS AND MINERALS CHAPTER 18. VITAMINS Definition - Complex organic substances vital for life. Function – Combines with enzymes to help chemical reactions
Page 9: VITAMINS AND MINERALS CHAPTER 18. VITAMINS Definition - Complex organic substances vital for life. Function – Combines with enzymes to help chemical reactions

PHYTOCHEMICALS IN F0ODSPhytochemicals - Compounds that come from plant

sources and may help improve health and reduce the risk of some diseases.Food Sources Phytochemical Possible Link to Health

Garlic, onions, leeks, chives

Allyl sulfides May trigger enzyme production to help eliminate carcinogens (cancer causers)

Fruits, and vegetables with deep pigments, such as carrots, pumpkin and spinach

Carotenoids such as beta carotene and lycopene

Antioxidants; may reduce cancer risks

Grapes Ellagic acid May reduce risk of heart disease

Broccoli, cauliflower, cabbage, and other cruciferous vegetables

IndolesSulforaphane

May reduce risk of breast cancerMay play a role in cancer prevention

Soy and legumes Isoflavones May reduce risk of some cancersMay lower cholesterol

Flaxseed Lignans May reduce risk of breast and ovarian cancers