the plant pigments that make you look good
TRANSCRIPT
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The Plant Pigments that Make You Look Good
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Secondary plant metabolytes
made up of 6 member hydro-carbon ring, chained together.
Protect plants from oxidative damage
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The structure of these hydro-carbon rings and
how they are linked together determine the classification of polyphenol compounds.
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There are four main classes of polyphenols
based on their molecular structures.
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Examples of phenolic acids
Salicylic acid
Cinnamic acid
Coumaric
Vanillic
Gallic
Benzoic
Rosmarinic
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Water soluble
Antioxidant
Present in all plant
forms
Easily absorbed from food
sources
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Fruit
Vegetables
Olive Oil
Red Wine
Flax seed
Herbs
Tea
Coffee
Chocolate
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Secondary metabolite in plants
Use as a defence against fungus and microbes
Found in all plant tissues from roots, leaves,
stems, flowers, and fruit.
Anti-cancer; anti-tumor
Ex. Resveratrol
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Secondary metabolite in plants
Major class of phytoestrogens
Found in sesame seeds, flax seeds, Soybeans,
brassica vegetables
Anti-inflammatory
Anti-oxidant
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Secondary metabolite in plants
Largest class of phenols with over 4,000 identified.
Structure is 2 aromatic hydrocarbon rings (A & B)
and a third carbon ring (C) with a single Oxygen molecule.
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Flavonoids are responsible for the color of plants
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Flavonoids:
Flavonols Flavones Flavanones Flavanols Anthocyanins Isoflavones
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Individual differences within each group arise
from the variation in number and arrangement of the hydroxyl groups
and their extent of alkylation and/or
glycosylation
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Benefits:
Antioxidant
Antimicrobial
Anti- aging
Anti Cancer
Anti- HIV
Antibacterial
Anti-diabetic
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Benefits:
Antimicrobial
Anti-oxidant
Anti-viral
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Benefits:
Cardio Protective
Helps with weight loss
Hepatoprotective
Improves skin elasticity
Lowers blood pressure to healthy levels
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Benefits:
Neuro protective
Prevents blood clotting disorders
Prevents bone loss in osteoporosis
Prevents hardening of the arteries
Reduces cholesterol
Repairs skin damage
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So far we’ve looked at the chemical structure of plant secondary metabolites called Phenols.
We’ve looked at the 4 classification of phenols based on molecular structure
We’ve examined the class of flavonoids more closely .
We talked about the benefits that flavonoids have for human health.
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In the next lesson we are going to look more
closely at the different kinds of flavonoids, where to find them, and what their benefits are.