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Tragacanth or Gum Tragacanth
CAS Number: 9000-65-1
Tragacanth or Gum Tragacanth Powder
General Properties and Specifications of Gum Tragacanth:
Appearance: Off-white to light-yellow powder.
Karaya Gum: To pass the test.
Specifications of Tragacanth USP NF Grade:
DEFINITION
Tragacanth is the dried gummy exudation from Astragalus gummifer Labill, or other Asiatic species of Astragalus (Fam. Leguminosae).
IDENTIFICATION
A. Add 1 g to 50 mL of water: it swells and forms a smooth, nearly uniform, stiff, opalescent mucilage free from cellular fragments.
Lead: NMT 10 ppm
Microbial Enumeration Tests and Tests for Specified Microorganisms: It meets the requirements for absence of Salmonella species and Escherichia coli.
Botanic Characteristics:
Tragacanth: It is flattened, lamellated, frequently curved fragments or straight or spirally twisted linear pieces from 0.5 to 2.5 mm in thickness. It is white to weak yellow in color, translucent, and horny in texture. Its fracture is short. It is rendered more easily pulverizable by heating to 50C. It is odorless.
Histology: Pieces of Tragacanth softened in water and mounted in water or glycerin show numerous lamellae and a few starch grains.
Powdered tragacanth: It is white to yellowish white. When examined in water mounts, it shows numerous angular fragments of mucilage with circular or irregular lamellae, and occasional starch grains up to 25 µm in diameter, mostly simple, spherical to elliptical, with occasional two- to four-compound grains, a few of the grains being swollen and more or less altered. The powder shows few or no fragments of lignified vegetable tissue (Indian gum).
Karaya Gum:
Sample solution: 1 g in 20 mL of water
Analysis: Boil the Sample solution until a mucilage is formed, add 5 mL of hydrochloric acid, and again boil the mixture for 5 min.
Acceptance criteria: No pink or red color develops.
Packaging and Storage: Preserve in well-closed containers.
Specifications of Tragacanth FCC Food Grade:
Gum Tragacanth; Tragacanth Gum
INS: 413 CAS: 9000-65-1
DESCRIPTION
Tragacanth is a dried, gummy exudation obtained from the stems and branches of Astragalus gummifer Labillardiere, or other Asiatic species of Astragalus (Fam. Leguminosae). It consists mainly of high-molecular-weight polysaccharides (arabinogalactans and acidic polysaccharides) that, on hydrolysis, yield galacturonic acid, galactose, arabinose, xylose, and fucose; small amounts of rhammnose and of glucose (derived from traces of starch and/or cellulose) may also be present. Unground Tragacanth occurs as flattened, lamellated, frequently curved fragments or straight or spirally twisted linear pieces from 0.5 to 2.5 mm in thickness. It is white to weak yellow (although some pieces may have a red tinge) and translucent, with a horny texture and a short fracture. It is easier to pulverize if heated to 50C. Powdered Tragacanth is white to yellow-white or pink brown.
Function: Stabilizer; thickener; emulsifier.
REQUIREMENTS
Identification:
A. Microscopic examination of an unground sample in water mounts reveals numerous angular fragments with circular or irregular lamellae, and starch grains up to 25 _m in diameter. There should be very few or no fragments of lignified vegetable tissue.
B. Add iodinated zinc chloride solution to a representative sample. Cellular membranes turn violet.
C. One gram of sample in 50 mL of water swells to form a smooth, stiff, opalescent mucilage free from cellular fragments. The same amount of sample does not swell in 60% (w/v) aqueous ethanol.
Ash (Total): Not more than 3.0%.
Ash (Acid-Insoluble): Not more than 0.5%.
Karaya Gum: Passes test.
Lead: Not more than 2 mg/kg.
Viscosity of a 1% Solution: Not less than 250 centipoises.
We also supply Gum Tragacanth BP Ph Eur Grade/.
Please visit SDS Safety Data Sheet of Tragacanth or Gum Tragacanth Suppliers.
American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
Suppliers and Manufacturers' Representative:
9910 Bent Oak Dr
Houston, TX 77040, USA
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665
Email: info@ammol.org