2011年5月16日星期一

Xanthan Gum

Xanthan gum is a polysaccharide, derived from the bacterial coat of Xanthomonas campestris
Product Name: Xanthan Gum

CAS number: 11138-66-2

Molecular formula: C35H49O29 (monomer)

Abstruct:
Xanthan gum is a polysaccharide, derived from the bacterial coat of Xanthomonas campestris, used as a food additive and rheology modifier, commonly used as a food thickening agent (in salad dressings, for example) and a stabilizer (in cosmetic products, for example, to prevent ingredients from separating). It is produced by fermentation of glucose, sucrose, or lactose by the Xanthomonas campestris bacterium. After a fermentation period, the polysaccharide is precipitated from a growth medium with isopropyl alcohol, dried, and ground into a fine powder. Later, it is added to a liquid medium to form the gum.
 
Resource:

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