Calcium Hydroxide food grade traditionally called slaked lime, is an inorganic compound with the chemical formula Ca(OH)2. It is a white powder and is obtained when calcium oxide (called lime or quicklime) is mixed, or "slaked" with water. It has many names including hydrated lime, builders lime, slack lime or pickling lime. It is of low toxicity. is used in many applications, including food preparation.

The function(s) performed by the food additive when used in cooking:

Acidity / Ph regulator - Regulates the acidity or alkalinity of a food.

Firming agent - Helps maintain firmness of fruits vegetables or interacts with gelling agents to strengthen food structure.