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Efficient extraction system and extraction method of grape seed extract

An extraction method and technology of an extraction system, which are applied to an efficient extraction system and extraction field of grape seed extract, can solve the problems of lack of extraction equipment, high solvent consumption, energy waste, etc., so as to reduce the difficulty of solvent recovery, ensure the extraction yield, Equipment matching reasonable effect

Active Publication Date: 2015-09-16
CHENGUANG BIOTECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Crushing treatment has a high extraction yield, but it is difficult to filter during the production process, and a large amount of solvent remains in the filter residue, resulting in high solvent consumption; whole seed extraction can overcome the disadvantage of difficult filtration, but at the same time it will cause a decrease in extraction yield;
[0006] (2) In terms of extraction methods, there is a lack of a complete set of extraction equipment, and most of them still use the tank group extraction method, which has small processing capacity, high solvent consumption, and cumbersome operations. It is difficult to achieve continuous, integrated, and automated operations without large-scale costs. Advantage;
[0007] (3) In the extraction process, most of them use the same temperature for multiple extractions. The extraction temperature is too high, causing energy waste. Extracting 1 ton of grape seeds consumes 80kg of ethanol solvent and 180kg of standard coal; Oxidative denaturation of proanthocyanidins
If the extraction temperature is too low, the active ingredients cannot be fully extracted and the extraction yield is low

Method used

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  • Efficient extraction system and extraction method of grape seed extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1: The high-efficiency extraction system and extraction method of the grape seed extract are as follows.

[0031] figure 1 As shown, the high-efficiency extraction system of the grape seed extract is composed of a conveying device, a softening pot, a flaking machine, a continuous countercurrent extraction equipment, a liquid injection pump and a storage tank; the entrance of the softening pot passes through the auger conveyor Realize the input of materials; the outlet of the softening pot conveys the materials to the inlet of the flaking machine through the scraper conveyor and the auger conveyor; the outlet of the flaking machine conveys the materials to the inlet of the drag chain countercurrent extraction equipment through the scraper conveyor ; The material discharged from the outlet of drag chain countercurrent extraction equipment is collected in the storage tank after being filtered.

[0032] The efficient extraction method of the grape seed extract is: ...

Embodiment 2

[0037] Embodiment 2: The efficient extraction method of this grape seed extract is as follows;

[0038] (1) Put the grape seed and safflower seed meal into the softening pot through the auger conveyor, the mass of the safflower seed meal is 12% of the grape seed mass, the feeding speed is 600kg / h, and 5% of the feeding mass is added Water is used for softening. After softening, the water content of the material is 14%, the outlet temperature is 65°C, and the softening time is 30 minutes;

[0039] (2) After softening, the material is transported to the flaking machine through the scraper conveyor and the auger conveyor for flaking treatment. The pressure of the hydraulic station of the flaking machine is 0.48MPa, and the thickness of the embryo cake is 0.43mm;

[0040] (3) After flaking, the material is transported to the towline countercurrent extraction equipment through the scraper conveyor, and 60% (V / V) ethanol aqueous solution is put into the solvent feeding port for leac...

Embodiment 3

[0043] Embodiment 3: The efficient extraction method of this grape seed extract is as follows;

[0044] (1) Mix the grape seeds and cottonseed meal and put them into the softening pot through the auger conveyor. The quality of the cottonseed meal is 30% of the mass of the grape seeds. The feeding speed is 550kg / h. After softening, the moisture content of the material is 15%, the outlet temperature is 80°C, and the softening time is 30 minutes;

[0045] (2) After softening, the material is transported to the flaking machine through the scraper conveyor and the auger conveyor for flaking treatment. The pressure of the hydraulic station of the flaking machine is 0.55MPa, and the thickness of the embryo cake is 0.40mm;

[0046] (3) After flaking, the material is transported to the drag chain countercurrent extraction equipment through the scraper conveyor, and 65% (V / V) ethanol aqueous solution is put into the solvent feeding port for leaching, and the feeding speed is 2.5m3 / h. T...

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Abstract

The invention discloses a high-efficiency extraction system and extraction method of grape seed extracts. The system comprises a conveying device, a softening kettle, a flaking roll and a continuous countercurrent extraction device, wherein the logistics conveying among the softening kettle, the flaking roll and the continuous countercurrent extraction device is sequentially realized through the conveying device. The system has the advantages that the continuous countercurrent extraction device and the conveying device are combined and the equipment matching is reasonable to ensure that the continuous production is realized, the treatment capacity is obviously increased, the operation is simple and convenient and the solvent consumption in the production process is reduced, and therefore, the system is suitable for the mass production of the grape seed extracts and other plant extracts. The method has the advantages that the raw material flaking pretreatment is adopted to ensure that the extraction yield of procyanidins in grape seeds is guaranteed and the recovery difficulty of the solvent in the material after extraction is reduced; and the temperature gradient is adopted to carry out digestion to ensure that the full extraction of the procyanidin is guaranteed and the oligomeric proanthocyanidins component extraction yield is higher. The method is simple in technical process, easy in parameter control and strong in operability and has remarkable economic benefit.

Description

technical field [0001] The invention relates to an extraction system and method of plant extracts, in particular to an efficient extraction system and extraction method of grape seed extract. Background technique [0002] Grape seed extract is a new type of high-efficiency antioxidant extracted from grape seeds, which is the leftovers of wineries. It is widely used in various common foods such as cakes and cheese in Europe and the United States. It is not only used as a nutritional enhancer, but also as a natural antiseptic. agents to replace synthetic preservatives. Its active ingredient proanthocyanidins has a super strong ability to scavenge free radicals, about V E 50 times the V C 20 times. As a raw material of health food, proanthocyanidins are directly made into dosage forms such as capsules and have become one of the top ten best-selling natural herbal medicines in the United States. High-quality proanthocyanidins have good solubility in water and alcohol, and th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D11/02C07D311/62
Inventor 连运河安晓东王伟伟董鹏
Owner CHENGUANG BIOTECH GRP CO LTD
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