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Novel extraction method and system for coix seeds

An extraction method and extraction system technology, applied in the field of new coix seed extraction method and its extraction system, can solve problems such as process interruption, energy waste, and high exhaust gas temperature, and achieve the goals of reducing heat energy consumption, ensuring continuity, and improving utilization rate Effect

Pending Publication Date: 2021-12-03
福州帅宝生物科技有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] As we all know, when the coix seed enzymatic solution is heated, such as at 40°C to 60°C, the flux of the filtration membrane will be increased due to the intensification of molecular motion; however, with the extension of the filtration time of the filtration membrane, due to the extremely concentrated The deterioration will lead to a decrease in the flux of the filter membrane. At this time, the filter membrane needs to be removed from the membrane separator and replaced or cleaned before it can be used again.
Therefore, in the stage of filter membrane replacement or cleaning, it will cause a long-term interruption of the process of enzymatic hydrolysis liquid flowing into the membrane separator, thus affecting the continuity of production and production efficiency
Again, the temperature of the waste gas produced after spray drying is often high, and the treatment method of the prior art directly filters and purifies it and then discharges it; thus, it will lead to waste of energy

Method used

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  • Novel extraction method and system for coix seeds
  • Novel extraction method and system for coix seeds
  • Novel extraction method and system for coix seeds

Examples

Experimental program
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Effect test

Embodiment 1

[0083] This embodiment discloses a new method for extracting coix seed, which includes the following steps: the enzymatic hydrolyzate obtained from the treatment of coix seed flows into a membrane separation system through a spiral or retracement path for membrane separation. The retentate separated by the membrane separation system is spray-dried, and the waste gas generated by the spray-drying is heat-exchanged with the enzymatic hydrolysis liquid in the spiral or retracement path, and then sprayed to the rotating mechanism to drive the atomizing nozzle to rotate.

[0084] The membrane separation system includes a plurality of membrane separators, and the enzymatic hydrolysis solution passes through the plurality of membrane separators in sequence, and two adjacent membrane separators are connected through a spiral or a return path.

[0085] The two sets of filter membranes in the same membrane separator can alternately separate the enzymolysis solution, ensuring that the enz...

Embodiment 2

[0118] This embodiment discloses a novel extraction method of coix seed, comprising the following steps:

[0119] Step 1. Crush coix seed and sieve it to 80 mesh, add purified water to wet granulate, sieve to 10 mesh and then dry. The mass ratio of purified water to coix seed is 3:5; use supercritical CO 2 Extraction technology for extraction: the pressure of the extraction kettle is 25Mpa, the temperature is 40°C, the pressure of the separation kettle is 8Mpa, the temperature is 45°C, the flow rate is 110L / h, and the extraction time is 4h, and the degreased intermediate, coix seed ester and coix seed oil are obtained;

[0120] Step 2. The degreased intermediate and purified water are mixed according to the mass ratio of 1:12 to obtain a mixed solution, and high-temperature-resistant α-amylase is added to the mixed solution, and the concentration of the high-temperature-resistant α-amylase in the mixed solution is 0.015g / 100mL , and extracted at 90°C for 2 hours, inactivated a...

Embodiment 3

[0126] This embodiment discloses a novel extraction method of coix seed, comprising the following steps:

[0127] Step 1. Crush coix seed and sieve it to 80 mesh, add purified water to wet granulate, sieve to 10 mesh and then dry. The mass ratio of purified water to coix seed is 3:5; use supercritical CO 2 Extraction technology for extraction: the pressure of the extraction kettle is 25Mpa, the temperature is 40°C, the pressure of the separation kettle is 8Mpa, the temperature is 45°C, the flow rate is 110L / h, and the extraction time is 4h, and the degreased intermediate, coix seed ester and coix seed oil are obtained;

[0128] Step 2. The degreased intermediate and purified water are mixed according to the mass ratio of 1:12 to obtain a mixed solution, and high-temperature-resistant α-amylase is added to the mixed solution, and the concentration of the high-temperature-resistant α-amylase in the mixed solution is 0.015g / 100mL , and extracted at 90°C for 2 hours, inactivated a...

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Abstract

The invention discloses a novel extraction method for coix seeds. The method comprises the following steps: enabling enzymatic hydrolysate to flow into a membrane separation system along a spiral or folded path for membrane separation; carrying out spray drying on trapped fluid separated by the membrane separation system, carrying out heat exchange on waste gas generated by spray drying and enzymatic hydrolysate passing through the spiral or folded path, and then spraying the waste gas to a rotating mechanism to drive an atomizing nozzle to rotate; and allowing two groups of filtering membranes in the same membrane separator to conduct alternate separating on the enzymatic hydrolysate, and guaranteeing that the enzymatic hydrolysate separated by other membrane separators except a membrane separator located at the termination position is transferred out of the membrane separators, trapped fluid obtained after separation of the membrane separator located at the termination position is transferred out of the membrane separator located at the termination position and the enzymatic hydrolysate is temporarily stored in a corresponding transfer cavity during switching of two groups of filtering membranes in the same membrane separator. The invention further discloses a coix seed extraction system. The coix seed extraction process has the advantages that overall continuity is high, production efficiency is improved, and an energy utilization rate is increased.

Description

technical field [0001] The invention relates to the technical field of coix seed processing, in particular to a novel extraction method of coix seed and an extraction system thereof. Background technique [0002] Coix seed is rich in polysaccharides, lipids and oils, and the research on the extraction technology of coix seed has commercial and medical value. [0003] Such as Qiu Taiqiu, Yang Rifu, Hu Aijun, et al. Influencing factors and effects of ultrasonically enhanced supercritical fluid extraction of coix seed oil and ester[J]. Journal of Chemical Engineering of Universities, 2005, 19(1): 30. Du Shaolong, Zhou Chunshan microwave assisted Research on the Extraction of Coix Seed Oil[J]. Chinese Journal of Cereals and Oils, 2006, 21(2): 79, Tian Hongxing, Zheng Xiaoxia, Xu Jian, Research Progress on Extraction Technology of Coix Seed Polysaccharides [J]. Guizhou Agricultural Sciences, 2017, 2 , 15, etc., all conducted in-depth research on the extraction technology of coix...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D61/00B01D61/58B01D1/18B01D1/30B01D11/02
CPCB01D61/00B01D61/58B01D1/18B01D1/30B01D11/02B01D11/0203B01D2011/005
Inventor 郑秋芳方成叶艳鹏
Owner 福州帅宝生物科技有限公司
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