Disaccharides Flashcards
Enzymatic hydrolysis of starch (amylopectin)
Isomaltose
Enzymatic hydrolysis of starch (amylase)
Maltose
Germinating cereals & malt
Maltose
Milk
Lactose
Lack of lactase leads to
Lactose intolerance
Lack of lactase aka
Alactasia
Lactose intolerance ssx
Diarrhea
Flatulence
May be excreted in urine in pregnancy
Lactose
Heated milk mainly synthetic
Lactulose
Not hydrolyzed in intestinal enzymes but fermented by intestinal bac
Lactulose
Used as mild osmotic laxative
Lactulose
Cane & beet sugar
Sucrose
Sorhum, some fruits & veggies
Sucrose
Rare genetic lack of sucrase leads to
Sucrose intolerance
Sucrose intolerance ssx
Diarrhea
Flatulence
Yeast & fungi
Trehalose
Main sugar of insect
Trehalose
Composed of 2 monosaccharide units
Disaccharide
Glucose + Fructose
Sucrose
Glucose + Fructose bond
a-(1,2) B-glycosidic bond
Galactose + Glucose
Lactose
Galactose + Glucose bond
(1,4) glycosidic bond
Major degradation of starch
Maltose
Glucose + Glucose
Maltose
Glucose + Glucose bond
a-(1,4) glycosidic bond