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Litchi peel extract, its preparation method and purposes

A technology of lychee extract and lychee peel, which is applied to the field of lychee peel extract and its preparation, can solve the problems of long extraction time, large amount of solution, low extraction rate, etc. Effect

Inactive Publication Date: 2005-11-23
WEST CHINA HOSPITAL SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

existing literature [2，3] , reported that the raw material for the preparation of litchi peel extract was fresh peel [3] , or dry the pericarp in a laboratory at 60°C, extract with a Soxhlet extractor or soak in time and temperature for 4 days, the raw material tested is only 2-3 grams, and the amount of extraction solvent used is ethanol, solvent (w / w)=1:50 , its extraction yield is 9.35% [2] , the extraction rate is low, and the amount of solution used is large (50 times that of the raw material), and the extraction time is long (4 days)
In addition, there are no other reports on the extraction methods of litchi peel extracts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1 preparation process of litchi peel extract of the present invention

[0022] 1. Collection of litchi peel

[0023] White wax litchi is called white wax litchi because the peel is waxy white when the fruit is ripe. The peel is thin and tough, with a thickness of 0.8-1.0 mm. The seed coat is brown and shiny. Buy ash lychees from the local fruit market, remove the pulp and core, collect the peels, and dry them naturally for later use. The peel is soaked in boiling water and drunk, tastes sweet and slightly astringent.

[0024] 2. Extraction process

[0025] (1) Put the naturally dried pericarp to further dry at 80°C, and mechanically pulverize;

[0026] (2) Weigh 100 grams of powdery pericarp with an electronic balance, add 800 ml of 80% ethanol, put it on a magnetic stirrer, stir and extract for 36 hours.

[0027] (3) Filter with Whatman 3MM filter paper, and collect the filtrate.

[0028] (4) Repeat the extraction once with the filter residue on the fil...

Embodiment 2

[0035] Embodiment 2 The preparation of the medicine of litchi extract of the present invention

[0036] Weigh 10 g of litchi extract, and prepare granules, capsules, tablets, and oral liquids according to the preparation method of conventional pharmaceutical preparations. Each capsule / tablet contains 5-10g of litchi extract; each 100g granule contains 5-10g of litchi extract; each ml of oral liquid contains 2-5g of litchi extract.

Embodiment 3

[0037] Embodiment 3 The preparation of litchi extract food of the present invention

[0038] Peel extract 10.0%, pearl powder 2.0%, starch, etc. 85-88%, pigment, preservative, appropriate amount. It is prepared into an oral liquid, and the oral liquid has the effect of beautifying and removing freckles.

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PUM

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Abstract

The invention provides a litchi peel extract, its preparation method and the application of the extract in the fields of pharmacy, health food and cosmetics. The extraction has the advantages of low cost, high yield, no toxic and side actions, wide application, appreciable action, rich raw material resource, and simple process for manufacturing.

Description

technical field [0001] The present invention relates to fruit peel extract and its preparation method and use, in particular to litchi peel extract and its preparation method and use. Background technique [0002] Litchi (Litchi chinensis Sonn.) is the fruit of Sapindaceae evergreen plants. Its nature and flavor are sweet, slightly bitter, warm, and return to the liver and kidney channels, and have the effects of promoting qi and dispelling stagnation, dispelling cold and relieving pain. It is mainly used to treat cold colic, abdominal pain, and testicular swelling and pain. It is commonly used in clinical treatment of non-insulin-dependent diabetes mellitus (NIDDM) in recent years, and the effect is good. Studies have reported that lychee nuts and their extracts have pharmacological effects such as lowering blood sugar, regulating blood lipids, anti-oxidation, inhibiting hepatitis B virus, and protecting the liver. Japanese scholars have found that glycosides contained in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/105
Inventor 王修杰袁淑兰魏于全
Owner WEST CHINA HOSPITAL SICHUAN UNIV
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