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Method for extracting ginger oleoresin by adopting subcritical fluid butane

The technology of fluid butane and ginger oil is applied in the fields of biotechnology and food additive processing, deep processing of agricultural and sideline products, and extraction of ginger oleoresin, and can solve the problems of high cost, solvent residual operation cost, easy damage and decomposition of oleoresin components, and the like, Achieve the effect of quality improvement, overcoming disadvantages, and easy industrialized mass production

Active Publication Date: 2013-12-18
SHANDONG KINGFOOD IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to overcome the technical defects of high cost, easy damage and decomposition of oleoresin components, many solvent residues and high operating costs in the existing ginger oleoresin extraction method, the invention provides a method for extracting ginger oleoresin using subcritical fluid butane Methods

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Taking 500kg dried ginger slices as an example, the process is as follows:

[0025] The first step: washing, slicing and drying fresh ginger to make dried ginger slices, the water content of the dried ginger slices is less than 10%;

[0026] Step 2: Add 500kg of dried ginger slices to 3m 3 in the extraction kettle;

[0027] The third step: pass the butane gas in the gas storage tank into the compressor, pressurize it to 0.8MPa and pass it into the extraction kettle; the amount of butane fluid added is 700kg;

[0028] Step 4: Control the stirring speed of the extraction tank to 120r / min, and extract the oil in the dried ginger slices for 120min at 45°C;

[0029] Step 5: Open the discharge valve of the extraction kettle, pass the extract into the separation kettle, reduce the pressure to a vacuum of 0.080MPa, and separate at a temperature of 35°C to obtain vaporized butane and liquid ginger oil;

[0030] Step 6: Pass the gasified butane in the separation tank into the ...

Embodiment 2

[0034] Taking 1000kg dried ginger slices as an example, the process is as follows:

[0035] The first step: fresh ginger is washed, sliced ​​and dried to make dried ginger slices with a water content of 11%;

[0036] Step 2: Add 1000kg of dried ginger slices to 5m 3 in the extraction kettle;

[0037] The third step: the butane gas in the gas storage tank is passed into the compressor, pressurized to 0.75MPa and passed into the extraction kettle; the amount of butane fluid added is 1400kg;

[0038] Step 4: Control the stirring speed of the extraction tank to 120r / min, heat to 45°C, and extract for 120min;

[0039] Step 5: Open the discharge valve of the extraction kettle, pass the extract into the separation kettle, reduce the pressure to a vacuum of 0.090 MPa, and separate at a temperature of 35°C to obtain vaporized butane and liquid ginger oil;

[0040] Step 6: Pass the gasified butane in the separation tank into the gas storage tank for purification and recycling;

[00...

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Abstract

The invention discloses a method for extracting ginger oleoresin by adopting subcritical fluid butane. The method comprises the following steps of: preparing dried ginger slices with the water content of less than 12% by cleaning, slicing, drying and other process links, putting the dried ginger slices into an extraction kettle, extracting with butane fluid, and further introducing a finished product liquid into a separation kettle for separation, wherein butane is converted from a liquid state to a gaseous state and enters a gas storage tank, and the ginger oleoresin is in the liquid state, separated from the butane gas and subjected to reduced pressure exsolution so as to realize the preparation of the ginger oleoresin. According to the method disclosed by the invention, subcritical fluid butane is adopted for extraction, high-temperature concentration and separation links in extraction by a solvent method can be avoided, the content of zingiberene which is easy to decompose at high temperature in the ginger oleoresin extracted by subcritical fluid butane can be higher by about 20%, the natural and fragrant smell of the ginger oleoresin can be ensured, the ginger oleoresin has no unpleasant smell of an organic solvent, and the quality is greatly improved.

Description

technical field [0001] The invention relates to a deep processing method of ginger, in particular to a method for extracting ginger oleoresin, which belongs to the category of deep processing of agricultural and sideline products, biotechnology and food additive processing. Background technique [0002] Ginger cultivation has a long history in my country. As an important spice, ginger has a long history in food and medicine. According to traditional Chinese medicine, ginger tastes pungent and hot in nature, and belongs to the spleen, stomach, kidney, heart, and lungs. , choleretic, damage protection, cardiotonic, anti-oxidant, anti-inflammatory, anti-thrombosis, anti-dizziness and central inhibition, etc. Among them, the anti-emetic and anti-ulcer effects are consistent with the traditional medical theory that ginger can stop vomiting by warming the middle. Recent medical research has found that ginger has anticoagulant, blood fat-lowering, anti-aging, anti-tumor effects, ...

Claims

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Application Information

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IPC IPC(8): C09F1/02
Inventor 张慧吴中斌谢延科韩吉庆张明佳姜传世崔振蕾于合伟陈天明刘爱琴陈安军
Owner SHANDONG KINGFOOD IND
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