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Method of preparing conjugated linoleic acid with crab grass

A conjugated linoleic acid and samphire technology, which is applied in the preparation/refining of fatty acids, fatty acid production, fat oil/fat production, etc., can solve the problem that conjugated linoleic acid is prone to oxidation and the extraction rate of conjugated linoleic acid is low. , incomplete separation and other problems, to achieve the effect of improving the conversion rate of conjugated linoleic acid, complete separation, and simple preparation method

Inactive Publication Date: 2007-03-14
阮其惠
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Problems solved by technology

[0012] The purpose of this invention is to provide a method for preparing conjugated linoleic acid with Salicornia, to solve the problem of preparing conjugated linoleic acid with Salicornia and improving the conversion rate of conjugated linoleic acid in Salicornia At the same time, it solves the problem that the organic solvent used in the isomerization reaction is toxic, is not suitable for food processing, and the product generated after the reaction has a darker color; it also solves the problems of low extraction rate and incomplete separation of conjugated linoleic acid, and Solve the problem that conjugated linoleic acid is prone to oxidation

Method used

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Embodiment Construction

[0036] The method for preparing conjugated linoleic acid with salicornia, the steps are:

[0037] Step 1: Cleaning and screening the Salicornia seed, removing the silt and impurities, and drying in the sun;

[0038] Step 2: Put the salicornia seeds into a frying pan and fry, stir and add hot water until the water content in the salicornia seeds reaches 13%-15%, and continue to stir-fry until the temperature of the salicornia seeds reaches 120°C-130°C , the residual moisture is 1% to 2%;

[0039] Step 3: put the salicornia seed into the oil extraction equipment and squeeze it into a cake, and extract the salicornia crude oil;

[0040] Step 4: Put the salicornia seed cake into the supercritical extraction device, pass the supercritical carbon dioxide fluid into the extraction device, control the temperature at 25-55 °C, and the pressure at 10-50 MPa, extract for 1-5 hours and then transfer to separation In the tank, the temperature is controlled at 30-60°C and the pressure is ...

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Abstract

The process of preparing conjugated linoleic acid with crab grass includes the following steps: roasting, squeezing and leaching out crab grass seed and filtering to obtain crab grass seed oil; adding propylene glycol into crab grass seed oil containing linoleic acid under the protection of nitrogen and treating with strong alkali to isomerize linoleic acid; adding modified starch or cyclodextrin into the purified conjugated linoleic acid, and spray drying to obtain dried conjugated linoleic acid. The purified conjugated linoleic acid or the dried conjugated linoleic acid may be further added with vitamin E or protocyanidin as antioxidant to produce conjugated linoleic acid health product. The present invention solves the technological problems of raising the content of conjugated linoleic acid in the crab grass product and isomerizing without using toxic organic solvent, etc.

Description

(1) Technical field [0001] The invention relates to a method for preparing conjugated linoleic acid, in particular to a method for preparing a conjugated linoleic acid health product from samphire. (2) Background technology [0002] my country has a long coastline and many saline-alkali tidal flats. Using inexhaustible seawater resources to grow economic crops on saline-alkali tidal flat wasteland is the development direction for people in coastal areas to change the environmental protection ecological environment and increase economic income. Salicornia is a green plant that grows on saline-alkali tidal flats. It does not fertilize or use pesticides. The growth period is about 220 days. The shell is scale-shaped, and gradually protrudes with time. The seeds are in the scale-shaped shell, and each shell has three seeds. After ripening, the plant nodes of Salicornia chinensis are yellow or brown, and the grains are dark brown, with a hard gelatinous shell and hairy surface. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C57/12C11C1/02C11B1/06C11B1/10
Inventor 阮其惠
Owner 阮其惠
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