Exp 6 identification of carbihydrates in organic samples

Exp 6 identification of carbihydrates in organic samples

Objectives

1. To demonstrate the general tests use to detect the presence of carbohydrates in both liquid and solid food samples

2. To explain the types of carboohydrates present in foods

3. To identify the test in used in detecting the presence of carbohydrates in a sample and its differences with one another.

Materials

9 test tubes

Test tube rack

Testtube brusj

Motar and pestle

Pipettes

9 corcks

Vortex

Clinical reagents

distilled h20

1% Glucose soluution

1% sucrose solution

1% lactose solution

Juice

Tea extract

1% starch solution

Molisch reagent

Fruit juice

Tea extract

Low fat fresh milk

Saltine/ any salty crackers

Experiment 5 carbohyrates sugar classification

To classify sugars into reducing and non reducing

To show that fruits contains different kinds of sugars

To identify the principle in the tests in identifying carbohydrates

Materials

6 testtubes

Thermometer

Marking pen

Droppers

Beakers

Test tube rack

Test tube brush

Mortar and pestle

Water bath

Tes ttube holder

Slinical reagents used for the sample

Glucose solution

Fructose solution

Clinitest tablets

Distilled water

Benedicts solution

Solutions to be tested

Hot water