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Extraction method of hesperidin

An extraction method, the technology of hesperidin, which is applied in the field of plant active ingredient extraction, can solve problems such as waste and environmental pollution, and achieve the effect of improving economic profits

Inactive Publication Date: 2015-02-04
钟延华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The citrus peel accounts for 20% of the whole fruit weight, and the usual treatment method is to discard it, which causes a lot of waste and also pollutes the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The extraction method of hesperidin comprises the following steps:

[0016] A, select 1 ton of fresh citrus, collect its citrus peel and dry, and pulverize through a 50 mesh sieve to obtain citrus peel powder;

[0017] B. Put the citrus peel powder obtained in step A and 95% ethanol with 5 times the volume of citrus peel powder into the ultrasonic extraction equipment, mix evenly, perform ultrasonic extraction twice, filter and combine the extract obtained by each ultrasonic extraction to obtain citrus peel Extraction solution; wherein, the ultrasonic power of each ultrasonic extraction is 80 W / cm 2 , the frequency of each ultrasonic extraction is 60 KHz, the temperature of each ultrasonic extraction is 55°C, and the time of each ultrasonic extraction is 90 minutes;

[0018] C. Concentrate the citrus peel extract obtained in step B to a relative density of 1.0 to obtain a citrus peel extract, and recover ethanol at the same time; adjust the pH of the citrus peel extr...

Embodiment 2

[0021] The extraction method of hesperidin comprises the following steps:

[0022] A, select 50 kilograms of fresh citrus, collect its citrus peel and dry, and pulverize and cross 55 mesh sieves to obtain citrus peel powder;

[0023] B. Put the citrus peel powder obtained in step A and 95% ethanol with 8 times the volume of citrus peel powder into an ultrasonic extraction device, mix well, perform ultrasonic extraction 3 times, filter and combine the extracts obtained by each ultrasonic extraction to obtain citrus peel Extraction solution; wherein, the ultrasonic power of each ultrasonic extraction is 75 W / cm 2 , the frequency of each ultrasonic extraction is 50 KHz, the temperature of each ultrasonic extraction is 50°C, and the time of each ultrasonic extraction is 60 minutes;

[0024] C. Concentrate the citrus peel extract obtained in step B to a relative density of 1.1 to obtain a citrus peel extract, and recover ethanol at the same time; adjust the pH of the citrus peel...

Embodiment 3

[0027] The extraction method of hesperidin comprises the following steps:

[0028] A, select 10 kilograms of fresh citrus, collect its citrus peel and dry, and pulverize and cross 60 mesh sieves to obtain citrus peel powder;

[0029] B. Put the citrus peel powder obtained in step A and 95% ethanol 10 times the volume of citrus peel powder into an ultrasonic extraction device, mix well, perform ultrasonic extraction 3 times, filter and combine the extracts obtained by each ultrasonic extraction to obtain citrus peel Extraction solution; wherein, the ultrasonic power of each ultrasonic extraction is 70W / cm 2 , the frequency of each ultrasonic extraction is 40 KHz, the temperature of each ultrasonic extraction is 40°C, and the time of each ultrasonic extraction is 30 minutes;

[0030] C. Concentrate the citrus peel extract obtained in step B to a relative density of 1.2 to obtain a citrus peel extract, and recover ethanol at the same time; adjust the pH of the citrus peel extr...

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PUM

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Abstract

The invention discloses an extraction method of hesperidin, and belongs to the technical field of plant effective ingredients. According to the extraction method, citrus peels that are discarded as wastes by people in the past are used as raw materials; and hesperidin is extracted from the citrus peels by using technologies such as ultrasonic extraction, concentration, crystallization and resin adsorption so as to obtain a hesperidin product. The hesperidin product can be sold. The citrus peels are fully utilized, and economic benefits of enterprises are increased.

Description

technical field [0001] The invention relates to the technical field of extraction of effective plant components, in particular to a method for extracting hesperidin from citrus peels. Background technique [0002] my country's citrus resources are very rich, but the utilization of citrus is only limited to the utilization of citrus fruit at present, and others such as citrus peel have not been fully utilized. The citrus peel accounts for 20% of the whole fruit weight, and the usual treatment method is to discard it, which causes a lot of waste and also pollutes the environment. In addition to water, cellulose, and lignin in citrus peels, citrus peels also contain rich pigments, pectin, hesperidin, and essential oils. Therefore, one of the main ways to utilize citrus peels is around the extraction of its components, such as extracting pigments, pectin, hesperidin, essential oils, dietary fiber, etc. from it. [0003] Among them, hesperidin is a kind of flavonoids. In recent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07H17/07C07H1/08
CPCC07H17/07C07H1/08
Inventor 钟延华
Owner 钟延华
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