The alternate name for Soya Protein Sauce is Hydrolyzed Vegetable Protein (HVP), a brown-coloured liquid made mainly from protein resources of vegetable origin, soya bean. Soya Protein Sauce or Hydrolyzed Vegetable Protein is widely used in small amounts to add or enhance flavour of many foods and has a wide spectrum of applications in the food industry as an excellent "flavour enhancer".