Carbohydrates Flashcards
1
Q
Carbs
A
Formed by photosynthesis
Cx (H2O) y
2
Q
Monosaccharides
A
single sugar unit
divided into hexoses (6 carbon units) and pentoses (5 units)
Aldehyde group or keto group
3
Q
Glucose
A
Contains hexrose and aldose
Water soluble
4
Q
Fructose
A
Ketose sugar
C 6 H 12 O6
used to reduce sugar x 3 sweetness
5
Q
Modified straches
A
alters physical properties without losing starch characteristics
Improves calrity, less synersis
Pre-gelatinisatoin, oxidation
6
Q
Plant hydrocolloids
A
Vegetable gums
Binds and immobilises water
Agar gum , arabic gum, pectin
7
Q
Disaccahrides
A
2 monosaccharides with glysidic link
C 12 H 22 O14
8
Q
Polysaccharides
A
C 6 H 10 O5
food and energy stores
9
Q
Starch
A
Amylose - unbranched chains
Amylopectin - branched molecule