SAS 2 Flashcards
what are the 2 forms of carbohydrates and their uses for plants?
Starch (energy reserves)
Cellulose (structural support)
Storage form of carbohydrates for animals
Glycogen
What is the test for reducing sugars?
Benedict’s test
What is the test for galactose?
Mucic acid test
What color does it yield when glycogen is undergoes iodine test?
Wine red
What color does it yield when amylose in starch undergoes iodine test?
Deep blue
What color does it yield when amylopectin in starch undergoes iodine test?
Blue violet/ purple
Provide the 2 examples of homoglycans in polysaccharides?
Starch
inulin
Provide the 2 examples of heteroglycans in polysaccharides?
Gum
Mucilage
What is the hexose of ketose?
Fructose (reducing sugar)
What are the test for carbohydrates and the color they yield?
Molisch test (purple ring)
Osazone formation (yellow crystal)
Furfural test (red/pink stain)
Selvanoff’s test (red)
Fehling’s test (Bring red precipitate)
Test for pentoses (Red)
keller-Killani test foe doexysugars (Reddish brown to blue)
What are the route dextrose can be administer?
OP, IV, SC, Enema
which monosaccharides that are not in nature?
diose and tetrose
a monosaccharide that is very common in plant
Pentose
a monosaccharide that is the most important;
first sugar to be identified synthesized by plants
hexose
provide examples of pentose
Arabinose,
xylose,
ribose
provide examples of hexose
fructose,
glucose,
galactose
what are the 3 available preparation of dextrose?
calcium gluconate
Ferrous gluconate
Calcium glucephate
known to be the sweetest monosaccharide and is nicknamed levulose
fructose
Having the same chemical formula but a different one carbon spatial arrangement.
Epimers
What is the product of pentose hydrolyzation?
Xylose
- wood sugar
- diagnostic aid in intestinal malabsorption
Give examples of disaccharides?
Sucrose, maltose, lactose
The only disaccharides that occur in nature?
Sucrose
Produced during the germination of barley
Maltose
can be cathartic when converted to lactic and acetic acid.
Lactulose
What are the primary ingredient of cherry juice?
Pectin and malic acid
Citric acid is isolated from?
lemon juice by Scheele
Acidulant in feeding formula
Lactic acid
by product of wine industry
Tartaric acid
it tastes half as sweet as sucrose and, is manufacture in toothpaste and chewing gums
Sorbitol
How many glucose units are there in amylose?
25-300 (1,4-glycosidic bond)
How many glucose units are there in amylopectin?
1000-more (1,4-glycosidic bond and 1,6-glucosidic bond in every 25 glucose units)
these products are marketed as artificial tears or contact lens solutions
Methylcellulose
used for enteric coating of tablets
cellulose acetate phtalate
what is the source of cellulose?
cotton
what is the beneficial use of cellulose?
surgical dressing
used as a DILUENT in tablet production
Microcrystalline cellulose
WORM-LIKE , natural injuries, twisted into coil
Vermiform
natural injuries, irregular, TEAR LIKE
Tragacanth sorts
MAN-MADE INCISION
Ribbon
tragacanth contains?
bassorin (60-70%)
Acacia principally consist of?
Arabin
