BGC > Product Search > Gellan gum | 71010-52-1

1.Specification	High Acyl
Characteristic	Off-white, odorless, Free flowing powder
Content	85~108%
Solubility	Soluble in water to form
viscous solution
Calcium ion test	Pass
Particle size	≥ 95% Pass 60 mesh
pH value	5.5~7.5
Residue of ethanol	≤ 750mg/kg
Gel strength（ 0.5% solution）	620g/cm2
Residue of ethanol mg/kg	2427
Total bacterial	≤ 10,000cfu/g
2.Specification	Low Acyl
Characteristic	Off-white, odorless, Free flowing powder
Content	85~108%
Solubility	Soluble in water to form
viscous solution
Calcium ion test	Pass
Particle size	≥ 95% Pass 60 mesh
Loss on drying	≤ 15.0%
Ash	≤ 15.0%
pH value	5.5~7.5
Residue of ethanol	≤ 750mg/kg
Gel strength（ 0.5% solution）	≥ 800g/cm2
Transmittance %	≥ 76%
Total Nitrogen	≤ 3%
Lead	≤ 2mg/kg
Mercury	≤ 1mg/kg
Arsenic	≤ 2mg/kg
Cadmium	≤ 1mg/kg
Total bacterial	≤ 10,000cfu/g
Yeast & Mold	≤ 400cfu/g
E. Coli	Negative
Salmonella	Negative

WGKGermany: 2

Chemical properties: Almost white powder, odorless, tasteless. The most important feature is the formation of gels at low concentrations (0.05%). Generally make the first dispersed in water (insoluble in cold water), heated to 75 ℃ after hydration, by adding the appropriate cation, and then heated to 80 ~ 90 ℃, after cooling the formation of gel. The gel is reversible to heat, but the gels can remain in a gel state at higher temperatures (100 ° C), as appropriate for the type and concentration of cations.
The gel strength was not affected by pH value and storage condition. The effect of heat sterilization was little, and the shelf life of acid gel was very long. And other edible glue has good compatibility, in order to enhance its stability or change its organizational structure. In addition, a special aroma release capability, the gel in the aroma can be fresh and rapid release, unlike agar and the like will be covered.

Usage:

1. thickener; gelling agent; stabilizer.
2. As thickener and stabilizer.
3. Biochemical research. Gelling agent. Phytagel is an alternative to agar, secreted from Pseudomonas, and is a mixture of glucuronic acid, rhamnose and glucose. It is colorless, translucent, and highly tough. It is formulated with plant tissue culture media and microbes The main components of the medium. Because of its overcoming the traditional agar in plant tissue culture of the inherent flaws in botany research has brought a new revolution, has become an internationally recognized plant tissue culture preferred products.

Brief manufacture process:

Was cultured in liquid medium consisting of glucose, corn syrup, phosphate, protein, nitrate and trace elements from Pseudomonas elodea (ATCC 31461) for 2 days. At this time is a natural, high acetyl cleansing gum, in its glucose-based on the end of a semi-acetyl and half glycerol acid group, due to the presence of acetyl groups will seriously affect the gel characteristics, it is It is necessary to add potassium hydroxide to the resultant mash to make it alkaline to remove acetyl and glyceryl groups to obtain low acetyl cleansing gum. And then heating, filtering, with isopropanol alcohol derived from deacetylation of clear clean plastic cold.