CAS 9036-66-2 ARABINOGALACTAN
Synonyms: STRACTAN;POLYARABINOGALACTAN;Galactoarabinan;d-galacto-l-arabinan;FEMA 3254;LARCOLL(TM);(+)-ARABINOGALACTAN;ARABINOGALACTAN
CAS: 9036-66-2
MF: C20H36O14
MW: 500.49144
EINECS: 232-910-0
Product Categories: Basic Sugars (Mono & Oligosaccharides);Biochemistry;Sugars
ARABINOGALACTAN Chemical Properties:
Melting point: >200 °C (dec.)(lit.)
refractive index: 10 ° (C=1, H2O)
FEMA: 3254 | ARABINOGALACTAN
Storage temp.: 2-8°C
solubility: H2O: 50 mg/mL, clear to slightly hazy, faintly yellow
Form: lyophilized powder
Chemical Properties: Dry, light-tan powder. Readily soluble in hot and cold water; both powder and solutions fairly stable. Combustible.
Chemical Properties: Polyarabinogalactan possesses a soft, balsamic terpenic odor, reminiscent of fresh conifer resins and cones. It is a turpentine type of a natural oleoresin. It occurs as a physiological secretion in the larch tree, Larix decidua, a conifer.
Uses: immune stimulant, antineoplastic agent
Uses: galactoarabinan (GA) is a multi-functional ingredient with humectant and exfoliating properties. In aqueous solutions, gA can deposit a clear film, creating or helping to create an occlusive environment, preventing transepidermal water loss and enhancing the functionality of a formulation’s active ingredients. In humid conditions gA acts as a moisture binder, and in dry conditions, it is able to retain moisture, further inhibiting moisture loss from the skin. Additionally, gA can improve particle dispersion and the uniformity of emulsion droplets resulting in a more stable emulsion and potentially more efficacious formulation, particularly in the case of sunscreens. In vitro and in vivo studies indicate possible benefit to the immune system given an ability to enhance Langerhans cell proliferation and cytokine production. gA has been shown to boost AHA exfoliation activity without increasing skin irritation, and it also exhibits its own exfoliant properties independent of AHA presence in a formulation, thereby helping reduce the appearance of fine lines and wrinkles. gA is a polysaccharide found in all plants and is the dominant sugar of the western larch tree.
Uses: Arabinogalactan is a gum, being the plant extract obtained from larch trees. it is soluble in hot and cold water, the water solutions up to 60% being fluid and above 60% forming a thick paste. it is stable over a wide ph range and is relatively unaffected by electrolytes. its limited uses include dressings and pudding mixes. it is also termed larch gum.
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