Method for extracting garlic skin, extracted garlic skin extract and application thereof

A technology of garlic peel and extract, which is applied in the field of garlic peel extract, can solve the problems of reduced antioxidant activity of anthocyanins, achieve high antioxidant activity, increase extraction rate, and simple extraction method

Inactive Publication Date: 2020-02-07
漯河市一墨池医药科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method for extracting garlic skins, in order to solve the problem in the prior art that the anthocyanins are destroyed and the antioxidant activity is reduced when the garlic skins are extracted by ultrasonic extraction

Method used

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  • Method for extracting garlic skin, extracted garlic skin extract and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Wash and dry the garlic skin and crush it into garlic skin powder for later use.

[0020] (1) Weigh 5g of garlic peel powder and place it in a reaction flask, add 200mL of acidic ethanol (ethanol with a volume fraction of 70%, adjust the pH to 4.0 with citric acid), extract at 70°C for 3h, and filter to obtain Acidic ethanol extract;

[0021] (2) Add 200 mL of alkaline ethanol (70% by volume) containing sodium citrate to the garlic peel powder extracted by acidic ethanol, and measure pH=7.0 after making it mix with the garlic peel powder; set the ultrasonic power to 200W 1. Extract at a temperature of 30° C. for 10 minutes, and filter to obtain a second extract;

[0022] (3) Add 200mL of ethanol with a volume fraction of 70% to the garlic skin powder extracted by alkaline ethanol, set the ultrasonic power to 200W, extract at a temperature of 30°C for 15min, and filter to obtain the third extract;

[0023] (4) Combine the acidic extract, the second extract and the thir...

Embodiment 2

[0025] Wash and dry the garlic skin and crush it into garlic skin powder for later use.

[0026] (1) Weigh 5g of garlic skin powder and place it in a reaction flask, add 200mL of acidic ethanol (ethanol with a volume fraction of 60%, adjust the pH to 4.0 with citric acid), extract at 50°C for 4h, and filter to obtain Acidic ethanol extract;

[0027] (2) Add 200mL of alkaline ethanol (80% by volume) containing sodium citrate to the garlic peel powder extracted by acidic ethanol, and measure pH=6.5 after making it mix with the garlic peel powder; set the ultrasonic power to 350W 1. Extract at a temperature of 20° C. for 15 minutes, and filter to obtain a second extract;

[0028] (3) Add 200mL of ethanol with a volume fraction of 60% to the garlic skin powder extracted by alkaline ethanol, set the ultrasonic power to 200W, extract at a temperature of 20°C for 10min, and filter to obtain the third extract;

[0029] (4) Combine the acidic extract, the second extract and the third...

Embodiment 3

[0031] Wash and dry the garlic skin and crush it into garlic skin powder for later use.

[0032] (1) Weigh 5g of garlic skin powder and place it in a reaction flask, add 200mL of acidic ethanol (ethanol with a volume fraction of 80%, adjust the pH to 4.0 with citric acid), extract at 80°C for 2h, and filter to obtain Acidic ethanol extract;

[0033] (2) Add 200mL of alkaline ethanol (80% by volume) containing sodium citrate to the garlic skin powder extracted by acidic ethanol, and measure pH=8.0 after making it mix with the garlic skin powder; set the ultrasonic power to 150W 1. Extract at a temperature of 40° C. for 10 minutes, and filter to obtain a second extract;

[0034] (3) Add 200mL of ethanol with a volume fraction of 70% to the garlic skin powder extracted by alkaline ethanol, set the ultrasonic power to 200W, extract at a temperature of 30°C for 20min, and filter to obtain the third extract;

[0035] (4) Combine the acidic extract, the second extract and the third...

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Abstract

The invention relates to the technical field of natural compound extraction, in particular to a method for extracting garlic skin, an extracted garlic skin extract and an application thereof. The method for extracting the garlic skin is characterized by comprising the following steps: (1) adding acidic ethanol into a reaction bottle filled with garlic skin powder to extract the garlic skin powder,and separating to obtain an acidic ethanol extracting solution after the extraction is finished; (2) adding alkaline ethanol into the reaction bottle, enabling a pH value of the mixed solution to be6.5-8.0 after the alkaline ethanol is mixed with the garlic skin powder, and performing secondary extraction on the garlic skin powder to obtain a second extracting solution; (3) adding ethanol into the reaction bottle, and carrying out third extraction on the garlic skin powder to obtain a third extracting solution; and (4) concentrating the acidic ethanol extracting solution, the second extracting solution and/or the third extracting solution to obtain the garlic skin extract. The garlic skin extract extracted by the method has better antioxidant performance.

Description

technical field [0001] The invention relates to the technical field of extraction of natural compounds, in particular to a method for extracting garlic skin, the extracted garlic skin extract and its application. Background technique [0002] Garlic is the bulb of Allium Sativum L. in the Liliaceae family. It is widely planted in many regions of my country and is a plant resource for both medicine and food. Each part of garlic contains a variety of active ingredients, known as "antibiotics grown in the ground". Many studies have shown that garlic has physiological activities such as antibacterial and anti-inflammatory, cancer prevention, anti-oxidation, and immunity enhancement, and has been widely used in medicine, food, cosmetics and other fields. In contrast, garlic peels are often discarded as a by-product of processing, resulting in a waste of resources. [0003] Studies have shown that garlic skin is rich in biologically active substances. Purple garlic skin and blac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/8962A61K8/9794A23L33/105A61Q19/08A61P17/18A61K125/00
CPCA23V2002/00A61K36/8962A61K2236/333A61K2236/39A61K2236/51A61K2236/53A61Q19/08A23L33/105A61K8/9794A61P17/18A23V2200/30A23V2250/212
Inventor 张银萍王可嘉王建王晓芳
Owner 漯河市一墨池医药科技有限责任公司
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