Flavoring extracts are used to flavor food, from fruits and vegetables, to chicken and oysters. Flavoring extracts provide extra flavor and taste to food. Flavoring extracts are generally not fermentable; they can be added at almost any point in the brewing process. Flavoring extracts are prepared from essential oils, such as almond and lemon; from vanilla; from fresh fruits; from ginger; from mixtures of essential oils and synthetic organic chemicals; or entirely from synthetic chemicals. Water is added and sometimes certified food color as well. Flavoring extracts using only natural flavoring agents are called pure while those employing synthetics are known as artificial flavoring.