Abstract

Gum exudates from nine specimens of Laguncularia racemosa (Combretaceae) from Venezuela were examined. The constituent sugars found were galactose, arabinose, rhamnose, galacturonic acid, glucuronic acid and its 4- O-methyl ether. The results obtained are similar to those in many Combretum gums studied; giving acidic solutions, their nitrogen content tends to be low and their rhamnose content, after acidic hydrolysis, tends to be high. The gum, in deuterium oxide, shows a well resolved 13CNMR spectrum.

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