US2009131368A1PendingUtilityA1
Mixtures of and methods of use for polyunsaturated fatty acid-containing phospholipids and alkyl ether phospholipids species
Est. expiryJul 19, 2026(~0 yrs left)· nominal 20-yr term from priority
C07F 9/106A61P 25/00A61K 31/685
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Abstract
A chemical composition of a molecular species mixture of phospholipids, purified to at least 85% purity through chromatography purification, the chemical composition contains enriched both sn-1-acyl fatty chains/sn-2-docosahexaenoic acid molecular species and sn-1-ether fatty chains/sn-2-docosahexaenoic acid molecular species, the phospholipids are selected from the group consisting of: phosphatidylcholine, phosphatidylserine and phosphatidylethanolamine. Methods using the above disclosed composition in mammals to treat various conditions.
Claims
exact text as granted — not AI-modified1 . A chemical composition of a molecular species mixture of phospholipids, purified to at least 85% purity through chromatography purification, the chemical composition contains enriched both sn-1-acyl fatty chains/sn-2-docosahexaenoic acid molecular species and sn-1-ether fatty chains/sn-2-docosahexaenoic acid molecular species, the phospholipids are selected from the group consisting of: phosphatidylcholine, phosphatidylserine and phosphatidylethanolamine.
2 . The chemical composition of a molecular species mixture of phospholipids of claim 1 , wherein the said the sn-1-acyl fatty chains contain acyl fatty acid groups of 16 to 18 carbon atoms.
3 . The chemical composition of a molecular species mixture of phospholipids of claim 1 , wherein the said the sn-1-ether fatty chains contain alkyl and alkenyl fatty groups of 16 to 18 carbon atoms.
4 . The chemical composition of a molecular species mixture of phospholipids of claim 1 , wherein the enriched sn-1-acyl fatty chains/sn-2-docosahexaenoic acid molecules range from about 20 to about 30% of the total molecular species of the phospholipids.
5 . The chemical composition of a molecular species mixture of phospholipids of claim 1 , wherein the said the enriched sn-1-ether fatty chains/sn-2-docosahexaenoic acid molecules range from 7-24% of the total molecular species of the phospholipids.
6 . A process for preparing a composition of a molecular species mixture of phospholipids that contain enriched both sn-1-acyl fatty chains/sn-2-docosahexaenoic acid molecules and sn-1-ether fatty chains/sn-2-docosahexaenoic acid molecules, the process comprising:
extracting phosphatidylcholine species mixtures from livers of saltwater fish; and purifying the phosphatidylcholine species mixtures to at least 85% purity by chromatography purification.
7 . A process for preparing a composition of a molecular species mixture of phospholipids that contain enriched both sn-1-acyl fatty chains/sn-2-docosahexaenoic acid and sn-1-ether fatty chains/sn-2-docosahexaenoic acid molecules, the process comprising:
transphosphatidylating a purified phosphatidylcholine species mixture into a phosphatidylserine species mixture, then purifying the phosphatidylserine species mixture to at least 85% purity by chromatography purification.
8 . A process for preparing a composition of a molecular species mixture of phospholipids that contain enriched both sn-1-acyl fatty chains/sn-2-docosahexaenoic acid and sn-1-ether fatty chains/sn-2-docosahexaenoic acid molecules, the process comprising:
transphosphatidylating a purified phosphatidylcholine species mixture into a phosphatidylethanolamine species mixture; and purifying the phosphsphatidylethanolamine species mixture to at least 85% purity by chromatography purification.
9 . The process of claim 6 where the saltwater fish is selected from the group comprising: shark, tuna, salmon and common dolphinfish ( coryphaena hippurus ).
10 . A chemical composition of a molecular species mixture of lysophosphatidylcholine, purified to at least about 85% purity through chromatography purification, which contains enriched sn-1-docosahexaenoic acid molecules.
11 . The chemical composition of a molecular species mixture of lysophosphatidylcholine of claim 10 , wherein the said enriched sn-1-docosahexaenoic acid molecules range from about 20 to about 40% of the total molecular species of the lysophosphatidylcholine.
12 . A process for preparing a composition of a molecular species mixture of lysophosphatidylcholine that contains the enriched sn-1-docosahexaenoic acid molecules, the process comprising:
extracting lysophosphatidylcholine from a liver of a saltwater fish; and purifying the lysophosphatidylcholine to at least 85% purity by chromatography purification.
13 . The process of claim 12 where the saltwater fish is selected from the group consisting of: shark, tuna, salmon and common dolphinfish ( coryphaena ).
14 . A chemical composition of a molecular species mixture of phospholipids, purified to at least 90% purity through chromatography purification, the chemical composition contains sn-1-ether fatty chains/sn-2-docosaheaxnoic acid species only and does not contain sn-1-acyl fatty chains/sn-2-docosahexaenoic acid species, the phospholipids are selected from the group consisting of: phosphatidylcholine, phosphatidylserine and phosphatidylethanolamine.
15 . The chemical composition of a molecular species mixture of phospholipids of claim 14 , wherein the said the sn-1-ether fatty chains contain alkyl and alkenyl fatty groups of 16 to 18 carbon atoms.
16 . A process for preparing a composition of a molecular species mixture of phospholipids that contain sn-1-ether fatty chains/sn-2-docosahexaenoic acid molecules only and does not contain sn-1-acyl fatty chains/sn-2-docosahexaenoic acid molecules, the process comprising:
acylating the sn-1-ether fatty chains/sn-2-hydroxyl lysophosphatidylcholine species mixture, obtained by a hydrolysis of purified fish liver phosphatidylcholine species mixture, with free docosahexaenoic acid into a phosphatidylcholine species mixture; and purifying the phosphatidylcholine species mixture, to at least 90% purity by chromatography purification.
17 . A process for preparing a composition of a molecular species mixture of phospholipids that contains sn-1-ether fatty chains/sn-2-docosahexaenoic acid molecules only and does not contain sn-1-acyl fatty chains/sn-2-docosahexaenoic acid molecules, the process comprising:
transphosphatidylating a purified phosphatidylcholine species mixture into a phosphatidylserine species mixture; and purifying the phosphatidylserine species mixture to at least 90% purity by chromatography purification.
18 . A process for preparing a composition of a molecular species mixture of phospholipids that contain sn-1-ether fatty chains/sn-2-docosahexaenoic acid molecules only and does not contain sn-1-acyl fatty chains/sn-2-docosahexaenoic acid molecules, the process comprising:
transphosphatidylating a purified phosphatidylcholine species mixture into a phosphatidylethanolamine species mixture; and purifying the phosphatidylethanolamine species mixture to at least 90% purity by chromatography purification.Cited by (0)
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