1, thickening: xanthan gum can increase the viscosity of the brine, so that it is more thick, improve the taste.

2, stabilization: xanthan gum can increase the stability of the brine, to prevent the brine stratification or precipitation.

3, emulsification: xanthan gum has good emulsification properties, which can make the oil and water mix together better and improve the uniformity of the brine.