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FUNCTINAL FOODS > Polyphenols > Flashcards

Polyphenols Flashcards

1
Q

What do polyphenols are?

A

Secondary metabolites of plants.
Defense against ultraviolet radiation.

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2
Q

What do polyphenols contribute in food?

A
  • Astrigency
  • Color
  • Flavor
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3
Q

Sources of polyphenols

A
  • Grapes
  • Cherries
  • Berries
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4
Q

What do polyphenols protect us of?

A
  • Cancer
  • Diabetes
  • Infections
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5
Q

Polyphenol’s classification

A
  • Phenolic acid
  • Flavonoids
  • Anthocyanins
  • Lignans
  • Stilbenes
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6
Q

Caffeic acids have antimicrobial effects

A

True

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7
Q

Anthocyanins colors response:

A
  • Red
  • Purple
  • Blue

*Flowers, tortillas

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8
Q

What do anthocyanins do in the organism?

A
  • Modulate intestinal MO.
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9
Q

What are the antiobesity effects of anthocyanin?

A
  • Inhibition of lipid absorption
  • Increase energy expenditure
  • Regulation of gut microbiota.
  • Inhibit postprandial glycaemia.
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10
Q

Other effects from anthocyanin?

A
  • Antidiabetes
  • Anticancer
  • Anti neurodegeneration
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11
Q

What do isoflavons are?

A

Phytoestrogens

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12
Q

Sources of isoflavons:

A
  • Soybeans
  • Soy products
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13
Q

Isoflavons characteristics

A
  • Present of glycosides
  • Daidzein
  • Equol
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14
Q

Soy isoflavon glycosides

A
  • Genistin
  • Daidzin
  • Glycitin
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15
Q

Aglycones

A
  • Genistein
  • Daidzein
  • Glycitein
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16
Q

Result from the metabolism of daidzein

A

Equol (greatest estrogenic activity).

17
Q

Isoflavons can be used as prebiotic

A

Yes

18
Q

Polyphenols and phenolic compounds are the same

A

True

19
Q

Responsables of the astringency in wine:

A

Tannins

20
Q

What was used to keep Malaria away?

A

Quinina

21
Q

Responsables of our animal esterols:

A

Phytoesterols

22
Q

What does the glycosylhydrolase do?

A

Break the bond between isoflavon and sugar.

22
Q

Ways to preserve the bone:

A
  • Classic –> calcium + collagen supplements
  • Functional approach –> isoflavons, proteins, proline…

FUNCTINAL FOODS (9 decks)

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