Chemical Name: Tragacanth gum
CAS No.:9000-65-1
Appearance: White to light yellow powder
Assay: 98%
Tragacanth gumtypical Properties
| Item | Specifications |
| Appearance | White to light yellow powder |
| Assay | 91.0%~101.0% |
| Loss on drying | ≦15% |
| Total ash content | ≦3.0% |
| Lead | ≦5mg/kg |
| acid insoluble ash | ≦4.0% |
| Arsenic | ≦0.0003% |
| Coliform group | Negative |
| Heavy metal | ≦40mg/kg |
Tragacanth gumUsage
1.Unground Astragalus membranaceus gum is flat or thin,
usually bending fragments or straight or spiral twisted strip fragments
with thickness of 0.5-2.5mm.
2. White to light yellow, translucent, keratinous tissue, with short
fissures. It is odorless, tasteless and slippery in taste. It is easier
to crush when heated to 50 C. It is difficult to dissolve in water, but
part of Astragalus sugar (bassorin) is easy to absorb water and blister
into gelatinous material. 1g samples in 50ml water expand into smooth,
thick, milky, non adherent gelatinous material. The solution of
Astragalus membranaceus has a very high viscosity, with pH value of 5-6
and pH value of 5.
3. The viscosity of Astragalus membranaceus solution is the highest,
and the pH value of Astragalus membranaceus solution is stable to the
viscosity (up to pH value of 2). Add 1000 times of water and stir, then
decompose into neutral solution. Hydrolysis produces galacturonic acid,
galactose, arabinose, xylose and fucose, with a small amount of rhamnose
and glucose (produced by trace starch and/or cellulose). It is
insoluble in ethanol and insoluble in 60% (w/V) ethanol aqueous
solution.
4. Thickener (especially for acidic food); stabilizer; emulsifier.
Tragacanth gumPackaging and Shipping
Packing: 25Kg/drum
Delivery:delivery within 3-5working days
Tragacanth gumStorage
Avoiding light and drying.
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