Sweet potato saccharified potato paste and method for processing instant product series thereof

The invention discloses a processing method of a saccharified mashed sweet potato and series mashed sweet potato ready-to-eat products, and belongs to the technical field of food processing. The method comprises the steps as follows: (1) pretreatment of sweet potatoes of raw material; (2) preparation of the saccharified mashed potatoes: prepared mashed potato and high-temperature-resistant alpha-amylase are evenly mixed with the proportion of 100kg:5-50ml and stewed for 10-30min at the temperature of 90-100 DEG C, and then are rapidly heated to 105 DEG C to inactivate enzyme, thus obtaining the saccharified mashed potatoes; (3) preparation of the series saccharified mashed sweet potato ready-to-eat products. The processing method adopts the high-temperature-resistant alpha-amylase and is complemented with a two-step heating process to saccharify partial starch in the mashed sweet potato, and the method provides the saccharified mashed sweet potato with naturally saccharified flavor and taste and prolongs the processing period. The processing method overcomes great amount loss in natural saccharification in long term storage in the conventional process as well as reduces production cost. The processing method can be popularized in food processing enterprises.