Karbohydrater: oppbygning og struktur Flashcards

1
Q

Sukrose

A

glukose + fruktose
a1-2 glyksidbinding

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2
Q

Inndeling av karbohydrater (gi eksempel)

A

skrivebok

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3
Q

Maltose

A

glukose + glukose

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4
Q

Enantiomere

A

(kirale forbindelser) betyr «motsatt»,
speilbilder

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5
Q

diastereomers

A

eksisterer i flere former

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6
Q

epimers

A

Karbohydratisomerer som er forskjellige i konfigurasjon
rundt bare ett spesifikt karbonatom er definert som

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7
Q

Glykosidbinding

A

en kovalent binding som forbinder et sukker med en alkohol eller et amin.
• alkohol: kalles det en O-glykosidbinding
• amin: kalles det en N-glykosidbinding.

Alle “sukker–sukker” glykosidbindinger er O-type bindinger.

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8
Q

Cellulose

A

(7000-15000)
• 1‐4b glykosidbindinger Glukosepolymer
• Bygger opp celleveggen i planteceller
• Kan ikke spaltes av enzymer i tynntarmen: ufordøyelig
• uforgrenet

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9
Q

Hemicellulose

A

(500-3000)
• 1‐4 b glykosidbindinger Polymer av ulike monosakkarider
som glukose, galaktose og mannose
• Bygger opp celleveggen i planteceller
• forgrenede polymerer
• ufordøyelig for mennesket

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10
Q

Glykosidbinding

A

en kovalent binding som forbinder et sukker med en alkohol eller et amin.
• alkohol: kalles det en O-glykosidbinding
• amin: kalles det en N-glykosidbinding.

Alle “sukker–sukker” glykosidbindinger er O-type bindinger.

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11
Q

Oligiosakkarider

A
  • Galaktooligiosakkarider (GOS)
  • Fruktooligiosakkarider (FOS)
  • Maltooligiosakkarider (MOS)
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12
Q

Galaktooligiosakkarider (GOS)

A

skrivebok

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13
Q

Fruktooligiosakkarider (FOS)

A

skrivebok

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14
Q

Maltooligiosakkarider (MOS)

A

skrivebok

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15
Q

Polysakkarider

A

skrivebok

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16
Q

Stivelse

A

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17
Q

Glykogen

A

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18
Q

Monosakkarider

A

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19
Q

Disakkarider

A

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20
Q

Karbohydrater

A

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