N.Y. Agric. & Mkts. Law § 204-c

§ 204-c. Prepared horseradish. The term "prepared horseradish" means\na clean, wholesome food product made with pure ground horseradish root,\nvinegar and salt, with or without the addition of oil of mustard. Sugar,\nspices and other flavorings, and either cream or vegetable oil may be\nused as optional ingredients provided they are listed on the label.\n