Topics involved - Introduction of Nutrition Defination of Nutrition History of Nutrition Functions of Nutrition

1. ASTHA K. PATEL

2. Introduction
• Food is prime necessity of life.
• The food we eat is digested &
assimilated in the body and used for its
maintenance & growth.
• Food also provide energy for doing
work.
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3. Food
• Food is defined as anything solid,
liquid or semi-solid; which when
ingested putting into mouth,
digested & assimilated ,
nourishes the body
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4. • The edible stuff that
provide us with nutrients is
termed as food.
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5. Nutrient
• Nutrients are defined as those
chemicals substances, which are
supplied by food & are needed
as a source of energy and as a
structural material for every cell
of the body.
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6. ASTHA K. PATEL

7. Definition
• It is the science of food and its
relation to health.
• Nutrition- the process by which the
body ingests, absorbs, transports
utilizes and eliminates their end
products.
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8. • Nutrition is the science of foods , the
nutrients & other substances, there action,
interaction, balance in relationship to health
& disease.
• In addition with social , economical, cultural
& psychological implication of food & eating.
- Robinson
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9. History of nutrition
• Nutrition plays important role in the
effective functioning of the body.
• Food with all its essential nutrients
ensures the proper functioning of the
body as a well oiled machine.
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10. • Nutrition discovers from ancient
days and the continuous research in
its effect on health have a positive
effect on the health & well being
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11. Some of the important dates in history
Food and the History of Healing
Through Nutrition
• 400 BC – Hippocrates said, “ lets the
food be thy medicine and medicine
be thy food”
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12. 1500 AD.
Leonardo da Vinci ,
compared the
metabolism
of the body
to the
burning
candle
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15. • 1747 AD – Dr James lind , performed first
experiment on nutrition.
• 1770 AD – discovery of process of
metabolism by Antoine Lavoisier ( father of
nutrition)
• Early 1880 – important discoveries were
made that food is composed of carbon,
hydrogen's, nitrogens, and oxygen and
methods were developed in determining
these elements.
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16. • 1840 AD – Justus Liebig declared that CHO
were composed of sugars, fat, proteins, or
amino acids.
• 1897 AD- Christian Eijkman, discovered that
brown rice cures the Beriberi.
• Later discover that unpolished rice, which
contains bran is rich in vitamin B1.
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17. • 1912 AD – E.V.Mccollum discovered 1st fat
soluble vitamin (Vit. A).
• - Dr. Casmir funk was 1st coin the term
vitamin.
• 1930 AD – William Rose discovered Amino
acids
• 1940 AD – water soluble vitamin B & C
discovered.
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18. • 1950 – Role of vitamin and minerals as a
components of enzyme and hormones
in effective functioning of the body
were discovered
• 1968 AD – Linus Pauling created the
term orthomolecular nutrition.
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19. Functions of Food
Social
function
Psychological
function
Physiological
function
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20. Physiological Function
Energy yielding foods
Body building foods
Protective & Regulatory food
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21. Energy yielding foods
• Foods rich in CHO & fats are called energy yielding
foods.
• They provide energy to sustain the involuntary
process essential for continuance of life.
• The energy needed is supplied by oxidation of
foods consumed.
• Cereals, roots & tubers, dried fruits, oil, butter 7
ghee are all good source of energy.
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22. • They provide energy to sustain the involuntary
processes essential for continuance of life, to
carry out various professional , household &
recreational activities.
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23. Body building food
• Food rich in protein are called body building
foods.
• These food help to maintain life and promote
growth
• The main function of protein is to build and
repair tissue.
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24. • Source of protein –
• Milk, meat, eggs & fish, pulses & nuts
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25. Protective & Regulatory food
• Food rich in protein, minerals & vitamins are
known as protective & Regulatory Food.
• They are essential for health & regulate
activities such as ----
Maintenance of body temp.
Muscle contraction
Control of water balance
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26. Clotting of blood
Maintaining heart beat.
Ex. - milk, egg, fruits & vegetables are
protective food.
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27. Social function
• Food has always been he central part of our
community, social , cultural & religious life.
• It has been as expression of get to gather.
• Food is served at many social events like teas,
breakfast, lunch, dinner & meeting of all sorts.
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28. • On all these occasions, food indirectly serves
as an instrument to develop social support.
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29. Psychological Function
• Besides other function, food satisfy certain
emotional needs also.
• People often find it difficult to get adjusted to
unfamiliar food.
• These also include a sense of security, love &
acceptance.
• Preparation of delicious foods for family
members is a token of love & affection.
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30. Other function
• Food supplies heat & energy for work and play
• Food supplies materials for growth and repair
of the body
• Regulation or control of body process
• Protection of body
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31. ASTHA K. PATEL