КАРАЯ ГУМ

Химические свойства

from sterculia tree

Вхождение

Karaya gum is a tree found in India and Pakistan.

Использование

As denture adhesive; as binder in paper manufacture; as stabilizer, thickener, texturizer, emulsifier in foods; as thickening agent for dyes in textile industry. A substitute for gum tragacanth.

Определение

A hydrophilic polysaccharide which exudes from certain Indian trees of the genus Sterculia. Color varies from white to dark brown or black.

Cостав эфирных масел

Gum karaya is a complex polysaccharide with a very high molecular weight, approximately 9,500,000 daltons. The gum karaya molecule contains D-rhamnose, D-galactose and D-galacturionic acid units. Ratios of 43% D-galacturionic acid, 13% D-galactose and 15% L-rhamnose have been obtained by hydrolysis.