Superfine mulberry leaf powder and preparation method thereof

Abstract

The invention discloses superfine mulberry leaf powder and a preparation method thereof. The preparation method comprises steps as follows: (1) mulberry leaves without impurities are added to pure water, and wall breaking treatment is performed; a mulberry leaf solution is obtained through ultrasonic treatment; (2) cellulose is added to the mulberry leaf solution, olive oil is added, and an enzymatic hydrolysate is obtained after enzymolysis; (3) the enzymatic hydrolysate is subjected to microwave heating treatment and then filtered and washed, and a treating fluid is obtained; (4) a concentrate is prepared through concentration of the treating fluid; (5) the concentrate is stirred and subjected to ball milling treatment; freezing drying and radiation sterilization are performed; superfine mulberry leaf powder is obtained. All indexes of the content of ash, mercury, arsenic and total bacterial count of the final product are greatly reduced, the superfine mulberry leaf powder contains richer nutritional ingredients and rich bioactive substances, an unexpected effect is obtained, and the superfine mulberry leaf powder is more applicable to health care materials.

Description

technical field [0001] The invention relates to a mulberry leaf powder, in particular to an ultrafine mulberry leaf powder and a preparation method thereof. Background technique [0002] Mulberry leaves can not only be used to raise silkworms, but also have high nutritional and medicinal value. Mulberry leaves are listed as traditional Chinese medicine in traditional Chinese medicine. In the handed down work "Compendium of Materia Medica" of ancient Chinese pharmacist Li Shizhen, it is recorded that "Mulberry leaves It can be considered as a decoction instead of tea, and regular consumption can make people smart, with lustrous complexion, whitening, youthfulness, beauty and stomach, calming the soul, and it is called "immortal leaf". [0003] At present, the main process for the processing and utilization of mulberry leaves is to firstly dry the mulberry leaves by electric heating, the drying temperature is usually above 100°C, and then use a mechanical pulverizer to grind t...

AI Technical Summary

Problems solved by technology

However, high-temperature electric heating, drying and sterilization will destroy the original nutrients and chlorophyll of mulberry leaves, and the color of the obtained mulberry leaf powder particles will change from green to yellow-green; the diameter of mulberry leaf powder particles crushed by machinery is 40-80 However, due to the large particle diameter of mulberry leaf powder, its nutrients and biologically active substances cannot be absorbed by the human body most effectively; at the same time, the content of lead, arsenic, mercury, and harmful impurities in mulberry leaf powder produced by ordinary processes often exceeds the allowable value of food additives , can not meet the requirements of food additives

Because mulberry leaves are rich in nutrition and a variety of functional components, they can be used as ideal raw materials for functional foods. With the development of science and technology and economy, people's consumption quality and consumption level will continue to improve, and their awareness of health care will gradually increase. Products will be more and more concerned by people, but the existing preparation methods cannot obtain mulberry leaf powder with a particle size suitable for human body absorption and good nutritional content.

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