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BIOCHEM
Two different enzy7me cmplexes present in jejunum
sucrose-isomaltose and beta-galactosidase complex
beta galactosidase hydrolise which two compounds
lactose and glucosyl ceramide (a glycolipid)
give examples (3) of prebiotics
sugar alcohol, fructose oligosaccharides, hemicellulose
alpha amylase hydrolyse which bond
alpha 1,4- glycosidic linkage
enzymes present in cells of brush border of intestine
lactase, sucrase, maltase, isomaltase
symptoms of lactose intolerance
irritant osmotic diarrhea(due to increased osmotic load due to undigested stool)
cramps
vomiting
and
flautulence ( undigested carbs digested by bacteria making fatty acid along with methance , co2, hydrogen)
diagonosis of lactose intolerance
benedict’s test of stool (+ve)
stool acidity test are positive (pH < 5.5 due to fermentation products)
hydrogen breath test
genetic testing ( congenital)
treatment of lactose intolerance
lactose free formula diet causes (congenital)
causes of lactose intolerance in children
chronic diarrheoa and malnutrition
treatment of aquired lactose intolerance
milk free diet
curd
yest
slow reintro of milk ) Lactose is an INDUCIBLE enzyme)
adult hypolactasia occur when lactase level decreases to ________ percentage of that present in infants
10%
compare absorption rate of glucose fructose and galactose
galactose> glucose > fructose
chanellopathy of chloride
cystic fibrosis
chanellopathy of
chanellopathy of sodium channels
liddle,s syndrome
chanellopathy of potassium channels
periodic paralysis