| http://www.w3.org/ns/prov#value | - Preferred polysaccharide thickeners include cellulose, cellulose derivatives e.g. carboxymethyl cellulose, silica, guar gum and xanthan gum, with xanthan gum being particularly preferred e.g. BIOSAN??? S from Hercules Inc., USA and Kelzan??? T from MERCK & Co., Kelco Division, USA.
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