Preparation method of wheat aleurone layer powder

Through multiple hygroscopic-desorption cycle pretreatment and low-temperature liquid nitrogen crushing technology, the problems of low separation efficiency and high starch residues are solved, and the preparation of high-purity paste layer is realized, reducing energy consumption and improving the release efficiency of active substances.

CN120323592APending Publication Date: 2025-07-18HENAN UNIVERSITY OF TECHNOLOGY
2 Cites 0 Cited by

Patent Information

Application Number
CN202510578862.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2025-07-18

AI Technical Summary

Technical Problem

In the prior art, there are problems such as low separation efficiency of paste layer, many starch residues, complex process and difficult to release active substances. Especially when the paste layer is separated from the endosperm during wheat processing, traditional methods lead to low purity of paste layer, high starch residue rate, and high energy consumption, making it difficult to apply on a large scale.

Method used

Multiple hygroscopic-desorption cycle pretreatment combined with low-temperature liquid nitrogen crushing technology, the moisture content and wheat moisturization time of wheat are used to optimize the interface binding force of the transparent layer-paste layer-endosperm, reduce the number of peeling channels, and use low-temperature liquid nitrogen crushing technology to break the cell wall, achieving high-purity separation of the paste layer and effective release of active substances.

Benefits of technology

The purity of the paste layer is achieved by reaching more than 80%, and the starch content is ≤20%, which simplifies the process flow, reduces energy consumption, and improves process economy and bioavailability.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention discloses a preparation method of wheat aleurone layer powder. The preparation method comprises the following steps: 1, cleaning wheat to remove impurities; 2, adjusting the water content of the wheat grains to 14-22%, and wetting the wheat grains at 25 DEG C for 5-30 minutes; 3, drying the wheat grains with hot air at the temperature of 45 DEG C until the moisture content is 12%, and repeating the step 1 of wetting the wheat and the step 2 of drying with the hot air to obtain the wheat subjected to moisture absorption-desorption cycle pretreatment; 4, the wheat is wetted again for 25 min, layered peeling is conducted through the flexible peeling machine, two times of peeling are conducted, each time of peeling is conducted for 1 min, the second-time peel layer is collected, and aleurone layer powder is obtained; 5, crushing treatment; and 6, sieving the aleurone layer to obtain the aleurone layer with uniform thickness. Through a moisture absorption-desorption circulation pretreatment technology, it is found that the purity of a second aleurone layer can be increased to 86% through circulation for two times, the starch residue in the aleurone layer is smaller than or equal to 20%, the number of steps for peeling the aleurone layer is reduced, energy consumption and steps are reduced, nutrient substances of the aleurone layer are reserved through a low-temperature liquid nitrogen smashing technology, active substances of the aleurone layer are effectively released, and the quality of the aleurone layer is improved. And the process economy is obviously improved.
Need to check novelty before this filing date? Find Prior Art