Honey: Physical and chemical tests / Analysis of crude drugs
Chemical test for Honey
|Fiehe’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)
|Molisch’s Test Honey is treated with alpha Napthol and concentrated sulphuric acid
|Reducing Sugar Test Heat honey to this add a drop of mixture of Fehling’s solution A & B
|Brick red colour of cuprous oxide
From the above morphological characteristics and chemical tests, the crude drug is identified as Honey.
Kokate CK. Practical Pharmacognosy, 4 edition, VallabhPrakashan. Delhi; 1994: 98
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