Chemical test for Honey

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   Chemical test for Honey

Organoleptic test:
State: Liquid
Colour: Pale yellow to yellowish green
Odour: Characteristics, pleasant
Taste: Sweet

Chemical test:


SI.No.
Test
Observation
Inference

1.
Fieche’s test
Take about 3ml of honey + 2ml of ether and shake thoroughly and allow the 2 layers to separate and evaporate to dryness. The upper etherial layer is separated and put in a china dish and evaporate, to the residue add 1% resorcinol and HCl.

Transient pink colour


Permanent red colour

Pur honey


Adulterated honey(Invert sugar)
2.
Molisch’s Test
Honey is treated with alpha Napthol and concentrated sulphuric acid
Purple colour
Presence of carbohydrate
3.
Reducing Sugar Test
Heat honey to this add a drop of mixture of Fehling’s solution A & B

Brick red colour of cuprous oxide

Presence of monosaccharide

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