Page 9 - Phytochemistry -1 (PG404) / Clinical Pharmacy 2nd level students ( 2019 )

Clinical pharmacy PharmD program Third level Phytochemistry-1 (PG-504)

Disaccharide s

Classified into:

A. Reducing: (e.g: maltose, lactose).

B. Non-reducing: (e.g: sucrose).The linkage between 2 saccharides is
through their anomeric carbons, so none of the reducing groups are free.

Sucrose: 1-2 linkage (aldose + ketose)

Qualitative identification of carbohydrates

General tests for carbohydrates

The following 2 reactions are positive with all carbohydrates.

- 1 Molis c h's test:

Notes:

1-CHO: aqueous sol. If not sol, boil some solid with dil. H₂SO₄.

2-Avoid shaking tube.

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