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Supercritical carbon dioxide extraction technology of suaeda salsa seed oil

An extraction process and technology of Suaeda salsa, applied in the field of supercritical carbon dioxide extraction technology of Suaeda salsa seed oil, can solve the problems of low oil yield, low oil yield, protein denaturation and the like, and achieves short demulsification time, The effect of improving oil yield and content

Inactive Publication Date: 2018-05-08
WEIFANG YOURONG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are some shortcomings in the above methods: for example, the oil yield is low when the water substitution method is used to produce vegetable oil, and the water content of the cake is relatively high, which is easy to deteriorate and cause waste of resources and pollution; The effect is to release the oil from the oil, so as to separate the vegetable oil, and it is more expensive to add an enzyme preparation; the damage to the seed cells is limited by mechanical treatment, the oil yield is low, and the protein will be severely denatured, affecting its further utilization value; Although the solvent extraction method has a high oil yield and is very easy to realize large-scale industrial production, there are residual organic solvents in both oil and cake; therefore, it is urgent to develop a process that can improve the oil yield of oil

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0028] A kind of Suaeda salsa seed oil supercritical carbon dioxide extraction process, comprises the following steps:

[0029] (1) Raw material pretreatment: grind the washed and dried Suaeda salsa seeds, add deionized water according to the ratio of solid to liquid 1:2.5, mix well, and sterilize to obtain a solid-liquid mixture;

[0030] (2) One-time enzymolysis treatment: get the solid-liquid mixture of step (1), adjust the pH to 4.6, add the compound enzyme of 0.17% of the solid-liquid mixture weight (by pectinase, cellulase and ligninase according to 0.2:0.5 : mixed at a ratio of 0.2) at a temperature of 32°C, enzymolysis for 1 hour, and the enzymolysis product was collected;

[0031] (3) Supercritical extraction: take the enzymatic hydrolysis product collected in step (2), use ethyl acetate as an entrainer, (the flow rate of ethyl acetate is 0.08ml / min), at a temperature of 55°C, an extraction pressure of 28MPa, extract The time is 1h, collect the extract;

[0032] (4)...

example 2

[0036] A kind of Suaeda salsa seed oil supercritical carbon dioxide extraction process, comprises the following steps:

[0037] (1) Raw material pretreatment: grind the washed and dried Suaeda salsa seeds, add deionized water according to the ratio of solid to liquid 1:3.5, mix well, and sterilize to obtain a solid-liquid mixture;

[0038] (2) One-time enzymolysis treatment: get the solid-liquid mixture of step (1), adjust the pH to 4.8, add the compound enzyme of 0.3% of the solid-liquid mixture weight (by pectinase, cellulase and ligninase according to 0.5:0.5 : mixed at a ratio of 0.2) at a temperature of 37°C, enzymatically hydrolyzed for 1.2h, and the enzymolyzed product was collected;

[0039] (3) Supercritical extraction: take the enzymatic hydrolysis product collected in step (2), use ethyl acetate as an entrainer, (the flow rate of ethyl acetate is 0.09ml / min), at a temperature of 58°C, an extraction pressure of 29MPa, extract The time is 1.2h, collect the extract; ...

example 3

[0044] A kind of Suaeda salsa seed oil supercritical carbon dioxide extraction process, comprises the following steps:

[0045](1) Raw material pretreatment: grind the washed and dried Suaeda salsa seeds, add deionized water according to the ratio of solid to liquid 1:5, mix well, and sterilize to obtain a solid-liquid mixture;

[0046] (2) One-time enzymolysis treatment: get the solid-liquid mixture of step (1), adjust the pH to 6.2, add the compound enzyme of 0.47% of the solid-liquid mixture weight (by pectinase, cellulase and ligninase according to 1:0.8 : mixed at a ratio of 0.3) at a temperature of 43.5°C, enzymatically hydrolyzed for 1.5h, and the enzymolyzed product was collected;

[0047] (3) Supercritical extraction: take the enzymolysis product collected in step (2), use ethyl acetate as an entrainer, (the flow rate of ethyl acetate is 0.1ml / min), at a temperature of 62.5°C, an extraction pressure of 30MPa, extract The time is 1.8h, collect the extract;

[0048] (...

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Abstract

The invention relates to the technical field of plant oil extraction, in particular to a supercritical carbon dioxide extraction technology of suaeda salsa seed oil. The supercritical carbon dioxide extraction technology comprises the following steps: performing raw material pretreatment, performing primary enzymolysis treatment, performing supercritical extraction, performing secondary enzymolysis treatment, preparing a whole culture fluid of composite demulsifying bacteria and performing demulsification treatment. By the preparation method, through enzymolysis, supercritical extraction, enzymolysis treatment, and then demulsification treatment with the composite demulsifying bacteria, the oil extraction rate of suaeda salsa seeds is greatly increased and the linoleic acid content of thesuaeda salsa seed oil is also increased.

Description

technical field [0001] The invention relates to the technical field of vegetable oil extraction, in particular to a supercritical carbon dioxide extraction process of Suaeda salina seed oil. Background technique [0002] Suaeda salsa, also known as Artemisia salsa and Seafood Vegetable, is an annual herbaceous salt-tolerant true halophyte of Chenopodiaceae. Its seeds contain essential fatty acids such as linoleic acid, oleic acid, linolenic acid and stearic acid. These nutrients are all It is an essential substance to maintain the functions of the human body, and has positive effects on the human body to lower blood sugar and blood pressure, expand blood vessels, prevent and treat cardiovascular diseases, and increase human immunity. Pentaenoic acid), DHA (docosahexaenoic acid) and other important metabolites play an important role in maintaining human health and regulating physiological functions. Therefore, Suaeda salsa seed oil has broad development and application prosp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/10C11B1/04C11B3/00
CPCC11B1/104C11B1/025C11B1/04C11B1/108C11B3/003
Inventor 王胜
Owner WEIFANG YOURONG IND
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