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Summary Functional Foods

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Detailed summarized notes on functional foods for grade 12 consumer studies from a top consumers student who achieved an A in both grade 11 and grade 12

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Aantal pagina's
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2021/2022
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Voorbeeld van de inhoud

Functional Foods
- Closest to nature
- Not processed
- Health benefits beyond traditional nutrients
- Reduced risk of disease beyond their vitamins, minerals, protein…
- Modified food
- Promote optimal health

Unmodified Nutraceutical Probiotic Prebiotic Symbiotic
Whole Foods Foods Foods Foods Foods
A food that Foods modified “Pro-Life” foods Nondigestible Contain a
contains these to improve containing live carbohydrates mixture of
substances health or microbial that selectively prebiotics and
naturally and performance. cultures with stimulate the probiotics.
provides clinically growth of
physical Can have documented probiotics
benefits. naturally health benefits.
occurring in
low levels /
boost the
amount that is
in the food.
Phytochemicals Calcium added Yoghurt – Have to be Can take
– chemicals to orange juice contains live non-digestible supplements
found naturally to increase the cultures: so that they but unknown
in plants that absorption as lactobacillus or can reach the as to how
that can be orange juice bifidia bacteria large intestine much to
anti-cancer. only has a little (contain undigested so consume for
Antioxidants calcium, but microflora – they can be the product to
that benefit the calcium is best found naturally used by the actually be
immune absorbed in an in breastmilk healthy beneficial.
system. acidic therefore bacteria as
Omega-3 environment. beneficial to food and the Found in
fatty acids – Juice with breastfed healthy specialized
found in fish herbs – babies as they bacteria can yoghurts etc.
(salmon & echinacea. reduce therefore
sardines), Ergogenic gastrointestinal multiply. They Bifidobacterial
beneficial to additives are problems as need to be Lactobacillus
heart disease added to foods they lower the fermentable so
as they to give a acidity of the that the
reduce LDL’s person more PH level in the microflora can
and plaque. energy and to gut of the use them as an
Fibres in plant enhance infant. energy source.
products that performance. Must be
can reduce Need to be beneficial to
colorectal consumed daily human health
cancer, to increase the and not be
diverticulosis number of harmful in any
and some probiotic way.
digestive bacteria
issues.
Found naturally
in foods but not
part of their
nutritional
content.

, Phytochemicals
 Chemicals produced by plants used to protect from insects and radiation
from UV rays
 Provide plants with their sensory characteristics: colour, flavour and smell.
 Plant foods contain vitamins and minerals which are essential for life
 Phytonutrients are not essential to life but they may help prevent disease
and aid in proper functioning of your body
- Antioxidant
- Reduce risk of heart disease
- Assist in cancer prevention
- Anti-inflammatory activities
- Enhanced immunity
- Repair DNA damage from toxins
- Increase intercellular communication
 Examples of phytochemical rich foods: brightly coloured fruits &
vegetables, nuts, tea, herbs, whole-grains and spices
 Unprocessed foods


Antioxidant
 Oxygen – contain electrons
 Bacteria damage cells
 Good free radicals – can destroy some of these harmful bacteria that
damage cells
 Bad free radicals are electron seeking entities steal electrons from cells
 The free radicals are stable once the steal the electrons and the cells
become severely damaged
 The bad free radicals can enter the body through, sun exposure, cigarette
smoke, pollution, pesticides, alcohol, fried food, water and medicine
 Antioxidants provide the free radicals with electrons which stabilizes the
free radicals and prevents them from attacking the cells
- Glutathione (whey protein, non-pasteurised milk, raw fruit and veg)
- Vitamin E – fat soluble (sunflower seeds, almonds, spinach, broccoli)
- Vitamin C – water soluble (oranges, strawberries, peppers)
- Beta-Carotene (Vit A carrots, spinach, sweet potatoes, melon)
 Limit exposure to high free radical items + eat lots of fruit and vegetables
€3,12
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