Free-polyunsaturated-fatty-acid-containing composition and method for manufacturing same
US-2018187126-A1 · Jul 5, 2018 · US
Free polyunsaturated fatty acid-containing composition and manufacturing method therefor
US11414622B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11414622-B2 |
| Application number | US-202017124636-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 17, 2020 |
| Priority date | Aug 31, 2015 |
| Publication date | Aug 16, 2022 |
| Grant date | Aug 16, 2022 |
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- Title
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Abstract
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The present disclosure is: a free polyunsaturated fatty acid-containing composition, which comprises at least one free polyunsaturated fatty acid having 20 or more carbon atoms, the content being at least 80.0% of the fatty acids in the composition, and satisfies at least one selected from a group consisting of conditions (1) and (2): (1) the content of conjugated unsaturated fatty acid is 1.0% or less of the fatty acids in the composition, and (2) the Gardner color is less than 3+; and a manufacturing method for the free polyunsaturated fatty acid-containing composition comprising the preparation of a raw material composition containing at least one polyunsaturated fatty acid having 20 or more carbon atoms, and hydrolysis of a reaction solution containing the prepared raw material composition, a lower alcohol, water and an alkali catalyst at a temperature of 10° C. or lower.
First claim
Opening claim text (preview).
What is claimed is: 1. A free polyunsaturated fatty acid-containing composition, comprising free eicosapentaenoic acid in an amount that a content thereof is 80.0% or greater of fatty acids in the composition, wherein the composition satisfies at least one selected from the group consisting of conditions (1) and (2): (1) a content of a conjugated unsaturated fatty acid being 0.001% to 1.0% of the fatty acids in the composition; and (2) a Gardner color being less than 6−. 2. The free polyunsaturated fatty acid-containing composition according to claim 1 , wherein the composition has an anisidine value of 5.0 or less. 3. The free polyunsaturated fatty acid-containing composition according to claim 1 , wherein a content of a fatty acid alkyl ester is 0.2% or less of the fatty acids in the composition. 4. The free polyunsaturated fatty acid-containing composition according to claim 1 , wherein the content of the conjugated unsaturated fatty acid is from 0.01% to 0.8% of the fatty acids in the composition. 5. The free polyunsaturated fatty acid-containing composition according to claim 1 , wherein a total content of a residual organic solvent in the composition is 5000 ppm or less. 6. The free polyunsaturated fatty acid-containing composition according to claim 1 , wherein a content of a di- or higher-valent polyunsaturated fatty acid having 18 carbons in the composition is 2.0% or less of the fatty acids in the composition.
Assignees
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Classifications
by esterification of fatty acids with alcohols (C11C3/02 takes precedence) · CPC title
- C11C1/04Primary
by hydrolysis · CPC title
from carboxylic acid esters or lactones · CPC title
Fatty acids or derivatives thereof · CPC title
Fatty acids; Fats; Products containing oils or fats · CPC title
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- What does patent US11414622B2 cover?
- The present disclosure is: a free polyunsaturated fatty acid-containing composition, which comprises at least one free polyunsaturated fatty acid having 20 or more carbon atoms, the content being at least 80.0% of the fatty acids in the composition, and satisfies at least one selected from a group consisting of conditions (1) and (2): (1) the content of conjugated unsaturated fatty acid is 1.0%…
- Who is the assignee on this patent?
- Nippon Suisan Kaisha Ltd
- What technology area does this patent fall under?
- Primary CPC classification C11C1/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 16 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).