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Preparing method for preparing mulberry leaf dry powder

A technology of mulberry leaves and dry powder, which is applied in the field of resource utilization of green plants, can solve problems such as low processing capacity, cumbersome process, and inconspicuous economic benefits, and achieve good economic and social benefits, stable product quality, and mild operating conditions.

Inactive Publication Date: 2013-12-04
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The utilization of fresh mulberry leaves has technical difficulties such as difficult storage and transportation, easy to rot and deterioration, etc. The existing mulberry leaf dry powder preparation technology still has insufficient resource utilization, cumbersome process, low processing capacity, unobvious economic benefits, and it is difficult to achieve large-scale production. Commercial preparation and other issues

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] 1) Chopping up the new young leaves of the collected mulberry branches, blanching and killing them in an aqueous solution of ethoxyquin with a concentration of 0.001% by mass for 1 minute, and the blanching temperature is 100° C.;

[0017] 2) In the aqueous sodium chloride solution with a mass percentage concentration of 0.1%, add ethoxyquin and propionic acid to configure a hypertonic solution, and the hypertonic solution includes ethoxyquin and a mass percent concentration of 0.001% Concentration is 3% propionic acid, the above-mentioned mulberry leaves after blanching and greening are put into the high osmotic pressure solution, cooled, permeated and dehydrated for 10 hours, and then homogenized with a high-pressure homogenizer for 10 minutes to make a slurry:

[0018] 3) Filter the slurry obtained in step 2), dry the filter cake with a belt dryer until the water content is less than 15%, measure and pack to obtain dry mulberry leaf powder, and return the filtrate to ...

Embodiment 2

[0020] 1) Chopping up the young leaves of the collected mulberry branches, blanching and fixing them in 5% di-tert-butylhydroxytoluene aqueous solution for 10 minutes. The blanching temperature is 45°C;

[0021] 2) in the sodium acetate aqueous solution that mass percent concentration concentration is 20%, add di-tert-butylhydroxytoluene and sorbic acid to be configured into high-pressure permeate, high-pressure permeate comprises mass percent concentration and is 5% di-tert-butylhydroxytoluene and The mass percent concentration is 0.001% sorbic acid, put the above-mentioned mulberry leaves after blanching and greening into the high-pressure permeate, cool, infiltrate and dehydrate for 10 hours, and then use a high-shear emulsifier to homogenize for 2 minutes to make a slurry;

[0022] 3) Filter the slurry obtained in step 2), dry the filter cake with a tunnel dryer until the water content is less than 10%, measure and pack to obtain dry mulberry leaf powder, and return the fi...

Embodiment 3

[0024] 1) Chopping up the fresh young leaves of the collected mulberry branches, blanching and finishing in 0.05% propyl gallate aqueous solution for 2 minutes, and the blanching temperature is 60° C.;

[0025] 2) in the calcium chloride aqueous solution that mass percent concentration concentration is 5%, add propyl gallate and benzoic acid to configure high-pressure permeate, high-pressure permeate comprises mass percent concentration and is 1% propyl gallate and mass percent concentration 2% benzoic acid, put the above-mentioned mulberry leaves after blanching and fixing into the high-pressure permeate, cool and infiltrate and dehydrate for 3 hours: then use a high-shear emulsifier to homogenize for 2 minutes to make a slurry;

[0026] 3) The slurry obtained in step 2) is centrifuged, the filter cake is dried, measured, and packaged to obtain dry mulberry leaf powder, and the filtrate is returned to step 2) for recycling.

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Abstract

The invention discloses a preparing method for mulberry leaf dry powder, which comprises the following steps: 1) fresh mulberry leaves collected are cut up, and blanching and water removing in antioxidising agent water solution are performed; 2) an antioxidising agent and a preservative agent are added into inorganic or organic salt water solution so as to prepare hyperosmosis solution, the mulberry leaves treated by blanching and water removing are added into the hyperosmosis solution, cooling and osmotic dehydration are performed, and then slurry is prepared; 3) the slurry is filtered or centrifugalized, and a filter cake is prepared to be mulberry leaf dry powder through drying, metering and packaging. The preparing method provided by the invention requires mild operation conditions, the energy consumption is small, and large scale industrial production is easy to achieve. Compared with a conventional preparation method for mulberry leaf dry powder, the method provided by the invention has the advantages that the product quality is stable, the indigenous special flavour, tinct and nutritional quality of mulberry leaves can be kept, the mulberry leaf dry powder can be used for replacing additives for foods, beverages, cosmetics, daily chemical products, provides a practicable reference for seeking a green organic addition agent, and has favorable economic benefits.

Description

technical field [0001] The invention relates to the field of resource utilization of green plants, in particular to a preparation method of dry mulberry leaf powder. Background technique [0002] It is a very effective method to use the dry powder prepared from the tender leaves of the higher terrestrial plant mulberry as a green organic additive for food, beverages, cosmetics and daily chemicals. Products using mulberry leaves as raw materials are used in pharmaceuticals (1) Pharmacological effects: anticoagulant effect, hypotensive effect; hypolipidemic, cholesterol-lowering, antithrombotic and anti-atherosclerotic effects; hypoglycemic effect; inhibitory effect Bacteria, anti-inflammatory effect; anti-virus, anti-tumor effect; anti-aging, anti-fatigue effect; anti-filariasis effect; (2) Cosmetic effect: Mulberry leaves are the classic frost leaves of the Moraceae plant mulberry. Traditional Chinese medicine believes that mulberry leaves are bitter, sweet, and cold in nat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/212A23L19/00
Inventor 朱振宏夏枚生陈涛叶瑛黄元凤张斌阎康康贾建君
Owner ZHEJIANG UNIV
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