1. 
   xanthan gum
   <chemical> A polysaccharide gum often used in foods, it is synthesised (fermented) from glucose by the bacterium Xanthomonas campestris. ... (11 May 1997) ...
   Found op http://www.mondofacto.com/facts/dictionary?xanthan+gum
   
   
2. 
   Xanthan gum
   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 sepa...
   Found op http://en.wikipedia.org/wiki/Xanthan_gum
   
   

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