Preparation method of gamma-linolenic acid nano microcapsule
A technology of nano-microcapsules and a manufacturing method, which is applied in the directions of microcapsule preparation, microsphere preparation, and fat generation, can solve the problems of low γ-linolenic acid content, high product cost, low linolenic acid content, etc., and can expand the scope of application , The effect of low production cost and high extraction content
Inactive Publication Date: 2014-11-05
SHENZHEN LANTERN SCI
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Problems solved by technology
[0003] At present, the production of gamma-linolenic acid is mostly extracted from evening primrose and other plants by cold pressing and concentration, but the content of linolenic acid in evening primrose is low, and the proportion of gamma-linolenic acid is not ideal, so it is used The content of gamma-linolenic acid prepared by this method is low, the product quality is unstable, and the production efficiency is low, the product cost is high, and waste water and waste residue are generated in the production process, which is not conducive to environmental protection.
[0004] Moreover, since γ-linolenic acid is an oily unsaturated fatty acid, its molecular structure contains multiple unsaturated bonds, it is easily oxidized and deteriorated, especially in the presence of moisture and ultraviolet rays, it is more prone to rancidity and oxidation
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[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0021] Such as figure 1 As shown, this example provides a method for manufacturing gamma-linolenic acid nanocapsules, by using CO Supercritical extraction method to extract gamma-linolenic acid from natural spirulina, the production cost is low, the efficiency is high, and the extraction The content is high, and γ-linolenic acid is used as the core material of the capsule, and β-cyclodextrin is used as the wall material to prepare γ-linolenic acid nano-microcapsules by inclusion complexation, without changing its physical and chemical properties. Next, the oxidatively unstable oily γ-linolenic acid is solidified to become stable γ-linolenic acid nanocapsules, thereby expanding the application range of γ-linolenic acid.
[0022] Wherein, step A is first performed, and a high-concentration oily gamma-linolenic acid is obtained by using a CO2 s...
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Abstract
The invention discloses a preparation method of a gamma-linolenic acid nano microcapsule, which comprises the following steps of A, adopting a CO2 supercritical extraction method to obtain high-concentration oily gamma-linolenic acid, and B, adopting a beta-cyclodextrin inclusion complexation method to coat high-concentration oily gamma-linolenic acid to form the powdery gamma-linolenic acid nano microcapsule. According to the preparation method, gamma-linolenic acid is extracted from natural spirulina by the CO2 supercritical extraction method; the production cost is low; the efficiency is high; the extraction content is high; in addition, gamma-linolenic acid serves as a microcapsule core material; beta-cyclodextrin serves as a wall material; the gamma-linolenic acid nano microcapsule is prepared by the inclusion complexation method; and on the premise that the physicochemical properties of gamma-linolenic acid are not changed, oily gamma-linolenic acid that is easy to oxidize and not stable is solidified to form the gamma-linolenic acid nano microcapsule with stable properties, so that the application range of gamma-linolenic acid is expanded.
Description
technical field [0001] The invention relates to organic chemical substances, in particular to a method for manufacturing gamma-linolenic acid nano-microcapsules. Background technique [0002] γ-linolenic acid can directly participate in a series of metabolism and physiological synthesis of the human body, regulate the biochemical activities of cells and tissues, and ensure the healthy development of the body and the benign operation of the body. In developed western countries, γ-linolenic acid is widely used. As the base material or additive of related medicines, health care products and skin care products, γ-linolenic acid has obvious pharmacological and health effects. Although the research on γ-linolenic acid in our country started relatively late, it has developed rapidly, and γ-linolenic acid has been listed as one of the national eighth five-year scientific and technological research projects. [0003] At present, the production of gamma-linolenic acid is mostly extra...
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IPC IPC(8): B01J13/02C11B1/10
Inventor 张许昌
Owner SHENZHEN LANTERN SCI