Soya HVP Powder is a Flavour Enhancer used in processed foods like soups, chilli, sauces, gravies, strews, potato chips & pretzels. Hydrolyzed Vegetable Protein is a protein derived from various plant sources such as Soybeans, Wheat, Corn, Canola, Pea etc. It is broken down into Amino Acids by a chemical process called Acid Hydrolysis.