Preparation method and application of macadamia nut leaf extract

A technology of extracts and leaves, applied in the field of preparation of macadamia nut leaf extracts, can solve the problems of inability to utilize polysaccharide components, increase resistance of pathogenic microorganisms, etc., and achieve the effects of improving comprehensive utilization, reducing liver toxicity, and long cycle

Active Publication Date: 2020-02-07
JIANGCHENG ZHONGAO AGRI TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing technical solutions have the following defects: the leaves of macadamia nuts contain a relatively large amount of polysaccharide components, and the leaves are directly made into the form of tea leaves, and the human body cannot effectively utilize the polysaccharide components; the components of macadamia nut leaves are quite different from the components of tea leaves , the content of phenolic acid compounds in the leaves of macadamia nuts is relatively high. These phenolic acids have anti-bacterial and anti-inflammatory effects. It will burden the liver and increase the resistance of pathogenic microorganisms to drugs

Method used

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  • Preparation method and application of macadamia nut leaf extract
  • Preparation method and application of macadamia nut leaf extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Embodiment 1: Example of preparation of macadamia nut leaf extract

[0039] The preparation steps of macadamia nut leaf extract are as follows:

[0040] A preparation method of macadamia nut leaf extract, comprising the following steps:

[0041] Step (1): fresh leaves of macadamia nuts are washed, dried in the shade, crushed and passed through 40 meshes to obtain leaf powder.

[0042] Step (2): use 95% ethanol solution to soak the leaf powder at 40°C for 2 hours, the dosage ratio of leaf powder and ethanol solution is 1g:8ml, then filter to collect the solid phase, and evaporate the ethanol to obtain defatted leaf powder.

[0043] Add defatted leaf powder into water, the ratio of defatted leaf powder to water is 1g: 25ml, and the water extraction system is obtained, and the water extraction system is ultrasonically treated. During the ultrasonic treatment, the temperature of the water extraction system is maintained at 70°C, and the power of the ultrasonic treatment is...

Embodiment 2

[0048] Embodiment 2: Example of preparation of macadamia nut leaf extract

[0049] The preparation steps of macadamia nut leaf extract are as follows:

[0050] A preparation method of macadamia nut leaf extract, comprising the following steps:

[0051] Step (1): fresh leaves of macadamia nuts are washed, dried in the shade, crushed and passed through 40 meshes to obtain leaf powder.

[0052] Step (2): use 98% ethanol solution to soak the leaf powder at 30° C. for 3 hours, the dosage ratio of leaf powder and ethanol solution is 1 g: 8 ml, then filter to collect the solid phase, and evaporate the ethanol to obtain defatted leaf powder.

[0053] Add defatted leaf powder into water, the ratio of defatted leaf powder to water is 1g: 20ml, to obtain a water extraction system, ultrasonically treat the water extraction system, maintain the temperature of the water extraction system at 75°C during the ultrasonic treatment, and the power of the ultrasonic treatment is 200W, the durati...

Embodiment 3

[0058] Embodiment 3: Example of preparation of macadamia nut leaf extract

[0059] The preparation steps of macadamia nut leaf extract are as follows:

[0060] A preparation method of macadamia nut leaf extract, comprising the following steps:

[0061] Step (1): fresh leaves of macadamia nuts are washed, dried in the shade, crushed and passed through 40 meshes to obtain leaf powder.

[0062] Step (2): use 90% ethanol solution to soak the leaf powder at 40°C for 3 hours, the dosage ratio of leaf powder and ethanol solution is 1g:8ml, then filter to collect the solid phase, evaporate the ethanol to obtain defatted leaf powder.

[0063] Add defatted leaf powder into water, the ratio of defatted leaf powder to water is 1g: 20ml, to obtain a water extraction system, ultrasonically treat the water extraction system, maintain the temperature of the water extraction system at 75°C during the ultrasonic treatment, and the power of the ultrasonic treatment is 300W, the duration is 90m...

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Abstract

The invention belongs to the field of extraction of natural products of plants and in particular relates to a preparation method and application of a macadamia nut leaf extract. The preparation methodcomprises steps of ultrasonic-assisted water extraction and alcohol precipitation, in addition, phenolic acid substances are removed through gel column chromatography, desalting treatment is furtherimplemented, and the macadamia nut leaf extract which is high in polysaccharide content and free of phenolic acid substance is obtained. By adopting the extraction method, conditions can be provided for comprehensive utilization of macadamia nut leaves, and a great amount of leaf resources are not discarded any longer but being adopted to prepare foods or healthcare products with plant polysaccharides.

Description

technical field [0001] The invention belongs to the field of plant natural product extraction, and in particular relates to a preparation method and application of macadamia nut leaf extract. Background technique [0002] Macadamia integrifolia F.Muell (also known as macadamia nut) is a tree nut native to Australia. Macadamia nut kernels can be used for food production and oil extraction, the green skin can be used for fertilizer production, and the shell can be used for the preparation of adsorbents and other products. However, macadamia leaf resources, which occupy a large amount of biomass, have not been effectively utilized. Generally, in macadamia plantations, the branches and leaves are pruned and then discarded in situ, leaving them to rot and become fertilizer for fruit trees. This is not only a pollution to the environment, but also a waste of resources. waste. [0003] The Chinese patent "A Processing Method for Green Tea with Macadamia Nut Leaf" (CN106035882A) p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/00A23L33/105A23L33/125A61P3/10A61P35/00A61P37/02
CPCA23V2002/00A23L33/105A23L33/125A61P3/10A61P35/00A61P37/02C08B37/0003A23V2200/324A23V2200/30A23V2200/328A23V2250/21A23V2250/51
Inventor 徐斌施蕊万举河卢淼马宁李彪
Owner JIANGCHENG ZHONGAO AGRI TECH DEV
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