A kind of ready-to-eat Polygonatum crisps and preparation method thereof

Abstract

The present invention relates to a kind of ready-to-eat Polygonatum crisps and a preparation method thereof, which comprises the following steps: cleaning Polygonatum, removing roots, draining; freezing at -20°C for 24 hours, immediately cutting into 2-3 mm slices after taking out, and thawing naturally , and collect the juice produced by thawing; steam Polygonatum slices and the juice at 121°C for 5-7 hours under pressure and slowly, and collect the juice produced by slow steaming; combine all the juices, add an equal volume of water to dilute, add cellulase, cysteine Acid and citric acid were used to make an enzymolysis solution, which was sprayed on the surface of Polygonatum slices and placed in an oven at 50°C for 2 hours; the Polygonatum slices were soaked in liquid nitrogen and dried in vacuum. The sealwort chips obtained by the method are golden in color, crisp in taste, sweet but not astringent, and have a final water content of 5% to 10%, and will not produce "spicy taste" due to overdrying and large amount of water absorption in the oral cavity.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to an instant Polygonatum crisp chip and a preparation method thereof. Background technique [0002] Polygonatum belongs to Liliaceae Polygonatum and is a well-known Chinese medicinal material. Its fleshy rhizome is thick and contains a lot of starch, sugar, fat, protein, carotene, vitamins and many other nutrients. Inhibit hyperglycemia, anti-fatigue, anti-oxidation, anti-aging, etc. [0003] Polygonatum is sweet in nature and taste, and belongs to both medicine and food. Many people are trying to develop it as food, but the products developed so far either have poor taste, or cannot retain its medicinal value, and cannot be widely consumed. author's approval. [0004] There are two traditional processing techniques of Huang Jing: "wine Huang Jing" and nine steaming and nine drying methods. "Liquor Polygonatum" is suitable for home use and is difficult to mass-produce; w...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a kind of ready-to-eat Polygonatum crisps and its preparation method, which not only maximizes the retention of the nutritional components of Polygonatum, but also has a crisp, sweet taste, golden color, and solves the problem that Polygonatum mucus easily irritates the throat and causes coughing, etc.