Citrus peel progressive extraction method and citrus peel progressive extraction device

A citrus peel, progressive extraction technology, applied in juice extraction, separation methods, chemical instruments and methods, etc., can solve the problems of shutdown, disintegration, insufficient supply of citrus raw materials, and the inability of enterprises to achieve large-scale production, and achieve the effect of improving quality.

Pending Publication Date: 2021-04-06
曾祥奎
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the processing utilization rate of citrus is only 8% to 9% and less than 10%, and its utilization rate in citrus juice processing is even lower, which is quite different from the global comprehensive level of citrus processing utilization rate of 35%.
In fact, citrus juice enterprises cannot get the support of agricultural industry policies to develop citrus orchard bases
Therefore, fruit juice processing enterprises are unable to build raw material bases for citrus orchards. In the face of high citrus raw material prices, the manufacturing cost of citrus juice processing products is out of balance with the input cost of product manufacturing; , it is difficult to meet the pr

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  • Citrus peel progressive extraction method and citrus peel progressive extraction device
  • Citrus peel progressive extraction method and citrus peel progressive extraction device

Examples

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Effect test

Embodiment 1

[0072] A method for progressive extraction of citrus peels. Through progressive extraction of citrus peels, citrus infusion syrup, hesperidin, pectin and dietary fiber products are sequentially obtained. The specific process steps for the gradual extraction of citrus peels are as follows:

[0073] A Pre-treatment of citrus peels: take the squeezed citrus peels, break them into particles with a particle size of 10-18 mm, spray softened water into the citrus peels at the same time when crushing, and the crushed citrus peels become peel pulp, and then The peel slurry is transported to three extraction tanks respectively;

[0074] B Extraction of citrus infusion syrup: add 2 to 3 times (weight) of demineralized water to the first extraction tank, make it completely submerged in demineralized water, and let it stand for 20 minutes; put the first extraction tank The extraction solution in the second extraction tank is transferred to the second extraction tank, and the peel pulp is l...

Embodiment 2

[0093] Dietary fiber production, after completing step E of Example 1, after the pectin extraction is completed, the peel pulp in the three extraction tanks is output to a filter press for dehydration with a screw pump, and is used for dietary fiber production after dehydration. The specific method steps are as follows:

[0094] F dietary fiber preparation: In the step E, the peel pulp that has been extracted from the pectin in the three extraction tanks is output to the filter press for pressing and dehydration with a screw pump, and the peel pulp after the dehydration is pressed by the filter press To become a peel wet cake, soak and wash with demineralized water at 50°C to 60°C for 2 to 3 times, soak in 5% hydrogen peroxide solution at room temperature for 20 to 30 minutes for decolorization; then wash with flowing demineralized water to remove hydrogen peroxide, citrus The peel is press-filtered and dehydrated again to obtain a wet filter cake of citrus peel; the wet filte...

Embodiment 3

[0096] The pretreatment of citrus peels includes extraction of citrus peel essential oils, citrus juice extraction, separation of fruit stones and crushing of peels. The specific method steps are as follows:

[0097] A1 Peel essential oil extraction: citrus fruits are peeled with a dermabrasion machine to destroy the surface tissue cells of citrus peels, so that the peel essential oils are fully released from the peel cells, and the emulsion containing the peel essential oils is recovered. The emulsion containing the peel essential oils After centrifugation, the cold-pressed essential oil of citrus peels is obtained; through the separation and recovery of the essential oils of the citrus peels, the citrus peel essential oils can be prevented from entering the extract solution and adversely affecting subsequent product processing and product quality;

[0098] A2 Citrus Juicing: The citrus after removing the essential oil from the peel in step A1 is squeezed with a juicer, and th...

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Abstract

The invention discloses a citrus peel progressive extraction method and a citrus peel progressive extraction device, which can recover citrus peel essential oil and citrus kernels by performing pretreatment and progressive extraction on citrus peels. The high-added-value products such as citrus peel infusion syrup, hesperidin, pectin and dietary fibers can be sequentially obtained in the progressive extraction process of the citrus peel, and the method has extremely important economic value; according to the method and the device disclosed by the invention, the extraction of citrus immersion syrup, hesperidin and pectin and the purification treatment of dietary fiber raw materials can be sequentially completed under the condition of not transferring citrus peels, the traditional complicated extraction operation is converted into simple, convenient, systematized and continuous operation, the labor efficiency is greatly improved, and the material and power consumption is reduced; according to the method, a two-time or three-time leaching phase process is adopted, so that the concentration of the extract in the leaching solution is greatly improved, the product recovery rate is increased, the citrus peel is fully utilized in a real sense, and an extremely important new resource is expanded for the development of the food processing industry.

Description

technical field [0001] The invention relates to the technical field of fruit peel recovery and extraction, in particular to a progressive extraction method and device for citrus peels. Background technique [0002] my country's citrus planting area and output rank first in the world. However, the processing utilization rate of citrus is only 8% to 9% and less than 10%, and its utilization rate in citrus juice processing is even lower, which is quite different from the global comprehensive level of citrus processing utilization rate of 35%. The utilization rate of citrus processing in developed countries such as the United States and Brazil is as high as 70% to 80%, which is far from it. At present, China has a citrus juice consumption market with a population of 1.4 billion, and the total consumption is increasing year by year. The annual import of citrus juice is about 80,000 to 100,000 tons. So what is the reason for the large output of citrus fruits in my country, but th...

Claims

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Application Information

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IPC IPC(8): B01D11/02B01D36/02C11B9/02A23L29/231A23L33/22A23N1/00
CPCA23N1/003A23L29/231A23L33/22B01D11/0284B01D11/0288B01D36/02C11B9/02C11B9/022
Inventor 曾祥奎曾华胡大学
Owner 曾祥奎
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