Difference between revisions of "Galactan gum"
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 381 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 381 | ||
Revision as of 20:54, 30 April 2016
Description
A carbohydrate exudate obtained from the wood chips of the western larch tree, Larix occidentalis. Galactan gum is high in Arabinose and Galactose. It is soluble in water producing an amber color solution of pH 4-5. Galactan gum forms solutions of lower viscosity than most other gums and is often used as an Emulsifier in water/oil mixtures. A primary use for galactan gum is as a Gum arabic substitute in lithography.
Synonyms and Related Terms
Larix occidentalis; goma de alerce (Esp.); gomma di larice (It); larch gum; Stractan
Other Properties
Soluble in water.
| CAS | 37320-79-9 |
|---|
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 381
- I.W. Cottrell, J.K. Baird, gums chapter