a beaker contains thick liquid how do we test wheather it is lipid or not
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The Ethanol Emulsion Test is a food test which determines the presence of a broad group of naturally occurring compounds known as lipids.
the following activity helps you to identify whether it is lipid or not:-
Add a few drops of the liquid food sample to a dry test tube.
Add 2 cm3 ethanol and shake it thoroughly
Add 2 cm3 of deionized water.
Make observations.
The observation are:-
If A layer of cloudy white suspension forms at the top of the solution,
This means that lipids are not present.
And if, we see the tiny globules of fat suspended in the solution which is referred as an emulsion.
so, lipids are present.
Foods with high lipid content have a ‘higher’ layer than foods with less.
hope this helps...
the following activity helps you to identify whether it is lipid or not:-
Add a few drops of the liquid food sample to a dry test tube.
Add 2 cm3 ethanol and shake it thoroughly
Add 2 cm3 of deionized water.
Make observations.
The observation are:-
If A layer of cloudy white suspension forms at the top of the solution,
This means that lipids are not present.
And if, we see the tiny globules of fat suspended in the solution which is referred as an emulsion.
so, lipids are present.
Foods with high lipid content have a ‘higher’ layer than foods with less.
hope this helps...
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