Preparation method of hemicellulose based edible film

Abstract

The invention discloses a preparation method of a hemicellulose based edible film. The method includes taking hemicellulose or modified hemicellulose as a base material, adding additives such as an antibacterial agent, a plasticizer and a separator into hydrolysate of the base material, dissolving, mixing evenly, homogenizing, degassing, preparing a film, drying finally, and preparing the edible food packaging film with a certain intensity and water-solubility. The preparation method is simple, easy to industrialize, good in film formation and high in intensity; and the formed film has good separating performance and water resistance, and can satisfy packaging requirements of bread, cakes, fruit and other food.

Description

technical field

[0001] The invention belongs to the fields of plant chemical industry and food packaging materials, and in particular relates to a preparation method of a hemicellulose-based edible film. Background technique

[0002] In the field of food packaging, compared with other paper and plastic packaging, edible packaging film has unparalleled advantages. It has the characteristics of edible, hygienic, nutritious, environmentally friendly, and convenient. The limitation of traditional technology and formula makes the prepared edible film have some limitations, such as: the large amount of raw materials used for film preparation and the complicated process route make it difficult to popularize and utilize industrially; the prepared film has poor mechanical strength, low barrier performance, Poor heat sealability, low transparency and other reasons lead to a smaller application space and range of edible films, which cannot be produced and utilized on a large scale. ...