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Combined extraction method of different effective active components in citrus peel residues

A technology for citrus peel residue and active ingredients, which is applied in the field of resource utilization of citrus peel residue, and can solve the problems of no large-scale production, lack of comprehensive consideration of extraction methods, and inability to extract.

Inactive Publication Date: 2017-05-24
CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In recent years, there have been more and more reports on the extraction of effective active ingredients with high economic value from citrus peels. , complex process and other reasons, no large-scale production has been formed, and it is not suitable for wide application
However, the traditional extraction methods often only focus on the development of a single substance, and cannot obtain higher economic benefits; and because of the low extraction rate, poor quality of the extract, and lack of comprehensive consideration in the extraction method, it is impossible to extract the five types of citrus peel. The active ingredients are all extracted at one time, resulting in a large amount of waste accumulation, and the added value of the citrus industry is low

Method used

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  • Combined extraction method of different effective active components in citrus peel residues
  • Combined extraction method of different effective active components in citrus peel residues
  • Combined extraction method of different effective active components in citrus peel residues

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Use the following method to extract each effective active ingredient in citrus peel (ponkan peel) (the process flow is as follows: figure 1 shown):

[0039] 1) Pretreatment of citrus peels: Dry the citrus peels at 61°C, crush them, pass through a 25-mesh sieve, and then blanch them with hot water at 89°C for 13 minutes to inactivate the enzymes in the citrus peels, and then soak them in distilled water for 1.5 h, to obtain the pretreated citrus peel residue, for subsequent use.

[0040] 2) Extract essential oil: Put the pretreated citrus peel into the NaCl solution with a mass fraction of 4.5% at a mass ratio of 1:11.2, and carry out distillation extraction for 54 minutes to obtain the distilled extract and de-essentially oiled citrus peel. The above operation of distillation and extraction was repeated twice, and the distillation extracts obtained each time were combined together as the distillation extract. Then extract and distill the extract with an extractant (a ...

Embodiment 2

[0046] Use the following method to extract each effective active ingredient in citrus peel (navel orange peel) (the process flow is as follows: figure 1 shown):

[0047] 1) Pretreatment of citrus peels: Dry the citrus peels at 64°C, crush them, pass through a 20-mesh sieve, and then blanch them with hot water at 92°C for 11 minutes to inactivate the enzymes in the citrus peels, and then soak them in distilled water for 80 minutes , to obtain pre-treated citrus peel residue, and set aside.

[0048] 2) Extract essential oil: Put the pretreated citrus peel into the NaCl solution with a mass fraction of 5.0% at a mass ratio of 1:11.6, and carry out distillation extraction for 61 minutes to obtain the distilled extract and de-essentially oiled citrus peel. The above operation of distillation and extraction was repeated twice, and the distillation extracts obtained each time were combined together as the distillation extract. Then use the extractant (a mixture of ether and dichlor...

Embodiment 3

[0054] The following methods are used to extract each effective active ingredient from citrus peel (citrus peel) (the process flow is as follows: figure 1 shown):

[0055] 1) Pretreatment of citrus peels: Dry the citrus peels at 62°C, crush them, pass through a 25-mesh sieve, and then blanch them with hot water at 85°C for 12 minutes to inactivate the enzymes in the citrus peels, and then soak them in distilled water for 100 minutes , to obtain the pretreated citrus peel residue, and set aside.

[0056] 2) Extract essential oil: Put the pretreated citrus peel into the NaCl solution with a mass fraction of 4.8% at a mass ratio of 1:10.9, and carry out distillation extraction for 67 minutes to obtain the distillation extract and de-essential citrus peel. The above operation of distillation and extraction was repeated twice, and the distillation extracts obtained each time were combined together as the distillation extract. Then extract and distill the extract with an extractan...

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Abstract

The invention discloses a combined extraction method of different effective active components in citrus peel residues. The method comprises the following steps: 1) carrying out pretreatment on the citrus peel residues; 2) extracting essential oil with a water distilled extraction solvent; 3) extracting pigment with an ethanol solution by the assistance of ultrasonic waves; 4) carrying out acid extraction and ethanol precipitation on pectin; 5) carrying out microwave assisted alkali extraction and acid precipitation on flavonoids; 6) extracting dietary fibers with an acid-base solution. The essential oil, the pigment, the pectin, the flavonoids and the insoluble dietary fibers obtained with the method are high in yield and good in quality, can be widely used in fields of food, medicines, cosmetics and the like, and are further wide in prospects. The method realizes the resource utilization of citrus peel residue waste on the true meaning, and changes waste into valuables, thereby achieving remarkable economic benefits, ecological benefits and social benefits.

Description

technical field [0001] The invention belongs to the technical field of resource utilization of citrus peels, and in particular relates to a combined extraction method of different effective active ingredients in citrus peels. Background technique [0002] my country is one of the important origins of citrus. According to statistics, in 2009, the planting area of ​​citrus in my country was 30.46 million mu, and the output has reached 25.2 million tons, ranking first in the world in both area and output. In addition to direct consumption of citrus, most of them are used for fruit juice processing. With the continuous increase in the output of citrus juice, the amount of citrus peel dregs, a by-product of citrus processing, also increases. According to statistics, there are about 1 million citrus in my country every year. Tons are used for fruit juice processing, producing 500,000 tons of citrus pomace. The citrus pomace has a high water content and is easy to deteriorate and ro...

Claims

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Application Information

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IPC IPC(8): C08B37/06C07G99/00C11B9/02A23L33/22C09B61/00
CPCC11B9/025C08B37/0045C09B61/00A23V2002/00C07G99/00A23V2250/21A23V2250/5116
Inventor 周月明任春蓉陈猷鹏郭劲松晏鹏夏家帅
Owner CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
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