review for vitamins. list 5 basic functions vitamins assist with in the body. nutrient metabolism...
TRANSCRIPT
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Review for Vitamins
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List 5 Basic Functions Vitamins assist with in the body.
Nutrient Metabolism Energy Tissue
Maintenance
Digestion Infection resistance
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What are the two main causes of Vitamin deficiency disease?
Insufficient Amount of a Vitamin in the diet.
Failure of the body to absorb a vitamin.
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Differences between Water and Fat Soluble Vitamins
Water Soluble
Soluble in water
Excess vitamins are
excreted
Will not build to
toxic level
Fat Soluble
Soluble in fat
Excess vitamins are stored in the
body
Will build up to toxic levels
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What form of Vitamin A is provided by plant forms?
• Beta Carotene
• Beta Carotene is a naturally occurring anti oxidant. It is a fat soluble pigment found in plants.
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Why do some people not need Vitamin D in their body?
• With exposure to sunlight, the body can make all the vitamin D it needs.
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What is the main function of Vitamin E and K?
• Antioxidant• Protects the membranes of
white and red blood cells.E
• Makes proteins needed to coagulate blood.
K
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Name three deficiency symptoms shared by all the B vitamins.
• Nausea• Loss of weight• Loss of appetite• Severe Exhaustion• Irritability• Depression• Forgetfulness• Heart problems• Skin problems• Impaired functioning of the immune system
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What is the name of the Thiamine deficiency disease?
• Beriberi
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List three food sources of Riboflavin
1 •Milk and Milk Products
2 •Enriched and whole grain cereals
3 •Meats•Fish
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Why is adequate folate intake especially important to women of childbearing age?
• Women who have inadequate folate intake are more likely to give birth to babies with neural tube damage.
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What group of people have an increased needs for vitamin C and why?
• People exposed to SMOKE. This is because smoke increases the destruction of vitamin C in the lungs.
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List two ways phytochemcials help prevent heart disease and some cancers.
1. Prompting the body to make enzymes.
• 2. Binding harmful substances
3. Acting as antioxidants
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Name three groups of people for whom doctors might recommend vitamin supplements.
• Pregnant
• Breast feeding Women
• Infants
Older adultsPatients recovering from surgery
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What is the main difference between the sources of natural vitamins and the sources of synthetic Vitamins?
Extracted from Foods
NV
Made in the labaratory
SV
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Give three tips for selecting foods high in Vitamins
Read Nutrition labels
Choose items brighter in colour and ones that have firm texture.
Buy foods that are firmly frozen avoid ones that have a think layer of ice on the sides. This indicates that they have been thawed then refrozen
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List five ways to prevent vitamin losses when storing and preparing foods.
Keep freezer temperature at zero degrees or lower to
retain vitamin content.
Store canned foods in a cool,
dry storage area.
Store milk in opaque containers to protect
riboflavin content. Riboflavin is destroyed by
light.
Ripen fresh fruit/veg. at room temperature
away from direct sunlight.
Be sure to wrap cut foods tightly. This
prevents damage by oxidation.
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Number of Vitamins
• In total there are 13 Vitamins:
• 9 water soluble (8 B Vitamins and Vitamin K)• 4 fat soluble (A,D, E,K)
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What is Pellagra?
• Pellagra is a Niacin deficiency disease.
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Fat Soluble Vitamins
• Vitamin A• Vitamin D• Vitamin E• Vitamin K
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Water Soluble B VitaminsB1
B2
B3
B5
B6