Download presentation
Presentation is loading. Please wait.
1
https://doodle.com/poll/rzh285ku3bpc7nac
PRESENTATIONS 13, 18, 20, 25, 27 March, 1 April We must have at least one presentation on each of the days above. Please use the doodle link below and sign up. If there are 2 or more persons in each group please list all names (one name per line with the initials of one group member beside all group member’s names) and select a date on the doodle. Persons wishing to present alone are welcome to do so and do not need to place their initials after their name. Once selected, changes will be allowed only if there is a medical situation or a family emergency or sports team travel (written documentation must be provided). Polling must be completed by 15 February. Please complete the doodle poll below.
2
LAST TIME WE TALKED ABOUT
DIETARY PROTEINS IN SPORTS TODAY WE WILL TALK ABOUT VITAMINS
3
Lecture February 2019 VITAMINS
4
Lecture 11 - OUTLINE VITAMINS – SOME GENERAL COMMENTS
WHAT ARE THE WATER SOLUBLE VITAMINS? B CLASS VITAMINS AND VITAMIN C WATER SOLUBLE VITAMINS – IDATME WHAT ARE THE FAT SOLUBLE VITAMINS? ADEK FAT SOLUBLE VITAMINS-IDATME INTEGRATION OF VITAMINS WITH MACRONUTRIENTS VITAMIN DEFICIENCES AND TOXICITIES VITAMIN SUPPLEMENTATION VITAMINS AS ANTIOXIDANTS
5
VITAMINS-SOME GENERAL COMMENTS
INDIVIDUAL MOLECULES-structures DO NOT PROVIDE ENERGY-NO KCAL VALUE BUT CAN ASSIST AS COENZYMES IN METABOLISM THAT YIELDS ENERGY ARE NEEDED IN MICROGRAM OR MILLIGRAM QUANTITIES AND THEREFORE ARE MICRONUTRIENTS
6
VITAMINS-SOME GENERAL COMMENTS
EVEN THOUGH REQUIRED ONLY IN SMALL AMOUNTS, OUR METABOLISM CANNOT HAPPEN AT A SUFFICIENT RATE WITHOUT THEM.
7
WHAT ARE THE WATER SOLUBLE VITAMINS
B CLASS AND C B CLASS THIAMINE (VITAMIN B1) RIBOFLAVIN (VITAMIN B2) NIACIN (VITAMIN B3) VITAMIN B6 FOLATE VITAMIN B12 PANTOTHENIC ACID BIOTIN
8
B CLASS THIAMINE (VITAMIN B1) FUNCTION-coenzyme in energy metabolism -normal appetite -nervous system functioning SOURCES-whole grains, liver, legumes, nuts
9
RIBOFLAVIN (VITAMIN B2)
FUNCTION-coenzyme in energy metabolism, -tryptophan to niacin conversion SOURCES- milk and other dairy products, whole grain breads, eggs meat, green leafy vegetables
10
NIACIN (VITAMIN B3) FUNCTION-coenzyme in energy metabolism -promotes normal nervous system function SOURCES-all protein foods, whole grain and enriched breads and cereals
11
VITAMIN B6 FUNCTION-coenzyme in amino acid and fatty acid metabolism -helps convert tryptophan to niacin -helps produce insulin, hemoglobin and nerve coverings and antibodies SOURCES –meats, fish, poultry, fruits, green leafy vegetables, whole grains, nuts
12
FOLATE FUNCTION-coenzyme in DNA synthesis -vital for new cell synthesis and transmission of heredity SOURCES-leafy vegetables, legumes, seeds, liver, orange juice, fortified foods (eg breads)
13
VITAMIN B12 FUNCTION-coenzyme in the synthesis of new cells -activates folate -maintains nerve cells -metabolism of some fatty and amino acids SOURCES-meat, fish, poultry, milk, dairy products, eggs
14
FUNCTION-part of coenzyme A used in energy metabolism
PANTOTHENIC ACID FUNCTION-part of coenzyme A used in energy metabolism SOURCES-meat, poultry, whole grain cereals and legumes
15
BIOTIN FUNCTION-coenzyme -energy metabolism -fatty acid synthesis -amino acid metabolism, -glycogen formation SOURCES-eggs, liver, yeast breads, gastrointestinal tract flora
16
VITAMIN C FUNCTION- collagen synthesis, antioxidant, promotes iron absorption, hormone synthesis, immune function SOURCES-citrus fruits and juices, broccoli, cauliflower, cantaloupe, kiwi fruit, mustard greens, strawberries, tomatoes
17
WATER SOLUBLE VITAMINS-IDATME
INGESTION- ORAL, TUBE, INTRAVENOUS DIGESTION – NOT BROKEN DOWN ABSORPTION-DIRECTLY INTO BLOOD VIA FACILITATED DIFFUSION TRANSPORT-TRANSPORTED FREELY IN BLOOD
18
WATER SOLUBLE VITAMINS
METABOLISM- TO CORRECT FORM IF REQUIRED EXCRETION- URINE, FAECES
19
WHAT ARE THE FAT SOLUBLE VITAMINS
A, D, E, K
20
FUNCTION-dark adaptation, normal growth
VITAMIN A FUNCTION-dark adaptation, normal growth and development of bones and teeth, normal functioning of skin, membranes, hair, gums and various glands, immune function SOURCES-retinol- liver, dairy products, fortified milk, margarine, ready to eat cereals -carotenoids- spinach, broccoli, carrots, peaches, pumpkin, red peppers
21
PRO-VITAMIN CONCEPT OF A PRO-VITAMIN
CONCEPT OF A PRO-VITAMIN PRO- VITAMIN IN FOOD METABOLISED IN THE BODY TO A VITAMIN EG BETA CAROTENE IN CARROTS METABOLISED TO VITAMIN A NOTE THAT BETA CAROTENE IS A PRO-VITAMIN OTHER CAROTENOIDS (IN VARIOUSLY COLOURED PEPPERS) METABOLISED TO VITAMIN A BUT BETA-CAROTENE GIVES HIGHEST YIELD OF VITAMIN A
22
VITAMIN D FUNCTION- maintains blood calcium concentrations by stimulation of calcium absorption, release of calcium from bones and calcium recovery from kidney SOURCES-sunlight, liver, fatty fish, fortified milk and margarine
23
VITAMIN E FUNCTION-polyunsaturated fatty acid and cell membrane antioxidant, protects structural integrity of vitamin A SOURCES-vegetable oils, nuts, seeds
24
VITAMIN K FUNCTION-synthesis of blood clotting proteins and a bone protein that regulates blood calcium SOURCES -liver, milk, cabbage family vegetables
25
FAT SOLUBLE VITAMINS-IDATME
INGESTION- ORAL, TUBE, INTRAVENOUS DIGESTION – NOT BROKEN DOWN ABSORPTION-CARRIERS FOR BOTH ABSORPTION AND TRANSPORT TRANSPORT-LIPOPROTEINS IN THE BLOOD
26
FAT SOLUBLE VITAMINS METABOLISM- TO CORRECT FORM AS REQUIRED EXCRETION- URINE, FAECES
27
ADEK ABSORPTION AND TRANSPORT CARRIERS FOR BOTH LIPOPROTEINS IN THE BLOOD
28
INTEGRATION OF VITAMINS WITH CARBS,
LIPIDS AND PROTEIN METABOLISM METABOLISM IS VERY INTEGRATED REMEMBER WWFQ
30
VITAMIN TOXICITIES AND DEFICIENCIES
NOT LIKELY IF ONE IS FOLLOWING A PROPER TRAINING DIET PROPER TRAINING DIET GIVES SUFFICIENT VITAMINS VITAMINS AND THE MACRONUTRIENTS THEY METABOLISE OR PROTECT FREQUENTLY COME IN A PACKAGE EG B VITAMINS AND CARBOHYDRATES VITAMIN E –LIPID ANTIOXIDANT
31
VITAMIN TOXICITIES AND DEFICIENCIES
SLIDE ON INCREASING VITAMINS WITH INCREASED CALORIES
32
VITAMIN TOXICITIES AND DEFICIENCIES
DEFICIENCY-LOSS OF FUNCTION TOXICITY –METABOLIC INTERFERENCE
33
THUS THERE IS AN INTEGRATION
OF SOURCE, FUNCTION, DEFICIENCY AND TOXICITY REMEMBER THAT SOURCE CAN INCLUDE SUPPLEMENTS INCLUDING PILLS
34
VITAMIN SUPPLEMENTS- WASTE OF TIME AND MONEY- NEED MORE VITAMINS
VITAMIN SUPPLEMENTS- WASTE OF TIME AND MONEY- NEED MORE VITAMINS? – EAT MORE FOOD
35
VITAMIN TOXICITIES AND DEFICIENCIES
SLIDE ON INCREASING VITAMINS WITH INCREASED CALORIES
36
MORE CARBS, PROTEINS AND LIPIDS IN
THE DIET MORE VITAMINS IN THE DIET CONTAINING THE CARBS, PROTEINS AND LIPIDS TO ASSIST WITH THE METABOLISM OF THE CARBS, PROTEINS AND LIPIDS. EVERYTHING IS INTEGRATED IT IS A PACKAGE DEAL!!
38
VITAMINS AS ANTIOXIDANTS
BETA-CAROTENE VITAMIN C VITAMIN E
39
VITAMIN TOXICITIES AND DEFICIENCIES
SLIDE ON INCREASING VITAMINS WITH INCREASED CALORIES
40
NOTE THE COOPERATION BETWEEN
VITAMINS
41
Lecture 11 - SUMMARY VITAMINS – SOME GENERAL COMMENTS
WHAT ARE THE WATER SOLUBLE VITAMINS? B CLASS VITAMINS AND VITAMIN C WATER SOLUBLE VITAMINS – IDATME WHAT ARE THE FAT SOLUBLE VITAMINS? ADEK FAT SOLUBLE VITAMINS-IDATME INTEGRATION OF VITAMINS WITH MACRONUTRIENTS VITAMIN DEFICIENCES AND TOXICITIES VITAMIN SUPPLEMENTATION VITAMINS AS ANTIOXIDANTS
42
NEXT TIME WE WILL TALK ABOUT VITAMINS IN SPORTS
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.