Fuzzy evaluation and application of cross-linked octenyl succinic anhydride modified starch in oyster sauce

The cross-linked octenyl succinic anhydride modified starch(COSAS) is a new emulsified thickening additive for food.Its advantages are as follows,high viscosity,excellent emulsifying dispersion properties,good tolerance to salt and acid.COSAS can improve quality of oyster sauce and prevent precipitate of oyster sauce.The organoleptic quality of oyster sauce by different treatments was judged synthetically with the fuzzy mathematics.There is an optimal effect when 3% COSAS,0.1% Xanthan gum and 0.2% CMC are used together.