Question

differntiate between cape Curacao socotrin Zanzibar aloe​

Answer 1

Answer:

5. Nitric Acid Test: 2 ml of concentrated nitric acid is added to 5 ml of aloe solution; Curacao aloe gives deep reddish-brown colour, Socotrine aloe gives pale yellowish-brown colour, Zanzibar aloe gives yellowish-brown colour and Cape aloe first produces brown colour which on standing changes to green.

Answer 2

Answer:

cape Aloe

Dark brown or greenish brown to olive brown mass

Sour and distinct odour

Nauseating and bitter taste

Breaks with a glassy fraction

Curacao Aloe

Brownish black opaque mass

Strong odour resembles with lodoform

Intense bitter taste

Waxy and somewhat resinous

socotrine Aloe

Brownish yellow opaque mass

Unpleasant odour

Extremely bitter and nauseous taste

Fractured surface looks conchoidal

°zanzibar Aloe

Liver brown colour

Characteristic but agreeable odour

Bitter taste

A dull, waxy. smooth and even fracture

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