Acacia

acacia nilotica

AKA
gum arabic

Chemical Constituents
Gum Acacia consists principally of Arabin,
a compound of Arabic acid with calcium,
varying amounts of the
magnesium and potassium salts
of the same acid being present.

It is believed, that small amounts
of other salts of these bases occur.


Arabic acid can be obtained by precipitating with alcohol
from a solution of Acacia acidulated with hydrochloric acid.

Gum contains 12 to 17 per cent of moisture and a trace of sugar, and yields
2.7 to 4 per cent of ash, consisting almost entirely of calcium,
magnesium and potassium carbonates.



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