Acides Gras Flashcards

1
Q

Structure de base

A
  • groupement carboxylique = polaire

- chainé carbonée non ramifier = apolaire

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2
Q

Acide gras saturé

A

Pas de double liaison

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3
Q

Acide gras insaturée

A
  • 1 DL = mono-insaturé

- plusieurs doubles liaisons = poly insaturée

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4
Q

Acide gras insaturée

Confirmation

A

En cis majoritairement - 120°

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5
Q

Solubilité dans l’eau

A

Diminue quand

  • la chaîne de carbone est longue
  • le nombre de double liaisons augmente
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6
Q

Point de fusion

A

Diminue :

  • le nombre de carbone diminue
  • Le nombre de double liaisons augmente
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7
Q

Acide laurique

ACIDE GRAS SATURÉS

A

C12 : 0

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8
Q

Acide palmique

ACUDE GRAS SATURÉ

A

C16 : 0

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9
Q

Acide stéarique

ACIDE GRAS SATURÉ

A

C18 : 0

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10
Q

Acide oléique

ACIDE GRAS MONO INSATURÉ

A

C18 : 1 🔺9

Famille w9

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11
Q

Acide linoelique

ACIDE GRAS POLY INSATURÉE

A

C18 : 3 🔺9,12,15

Famille w3

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12
Q

Acide gras linoleique

ACIDE GRAS POLY INSATURÉE

A

C18: 2🔺9,12

Famille w6

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13
Q

Acide arachidonique

ACIDE GRAS POLYINSATUREE

A

C20 : 4🔺5,8,11,14

Famille w6

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