Amchur is an Indian spice made from the Pulp of dried green mangos. It preserves the acidic, tart, and slightly spicy flavor of unripe mangos to be use in curries and other dishes.Amchur has a sour, sweetish taste just like the raw mango. It preserve the taste of raw mango though it is dried.This powder adds tangy and sour taste to the dishes without adding moisture hence, is extensively used much like lemon. It is especially common in Northern India. Take care to store amchur in cool dry place away from moisture for long shelf life.