IP Library › Granted Patent US 9,566,262
Granted Patent B2
US 9,566,262 · App. 15/133,903 · Granted Feb 14, 2017

Itch suppression by fucoxanthin

Inventor: Takashi Fujita (Kusatsu, JP)
Assignees: The Ritsumeikan Trust; Logic Co., Ltd.
A61K31/336A61K9/0014A61K36/05
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Quick Facts
Patent No.
US 9,566,262
App. No.
15/133,903
Granted
Feb 14, 2017
Kind
B2
Abstract

The present invention provides a method of suppressing mast cell differentiation and/or itch in the skin of a subject, comprising topically administering to the skin in need thereof an effective amount of fucoxanthin or a derivative thereof.

Claims (14)

1. A method of suppressing mast cell differentiation in the skin of a subject, comprising topically administering to the skin in need thereof an effective amount of fucoxanthin, fucoxanthinol, amarouciaxanthin A, a monoester of fucoxanthin selected from esters with amino acids, esters with carboxylic acids and salts thereof, esters with inorganic acids and salts thereof, fatty acid esters with highly unsaturated fatty acids, unsaturated fatty acids, and saturated fatty acids, a diester of fucoxanthin having the same or different ester groups, or a glycoside.

2. A method of suppressing itch in the skin of a subject, comprising topically administering to the skin in need thereof an effective amount of fucoxanthin, fucoxanthinol, amarouciaxanthin A, a monoester of fucoxanthin selected from esters with amino acids, esters with carboxylic acids and salts thereof, esters with inorganic acids and salts thereof, fatty acid esters with highly unsaturated fatty acids, unsaturated fatty acids, and saturated fatty acids, a diester of fucoxanthin having the same or different ester groups, or a glycoside.

3. The method of claim 2 , wherein fucoxanthin is administered to the skin.

4. The method of claim 2 , wherein fucoxanthinol is administered to the skin.

5. The method of claim 2 , wherein amarouciaxanthin A is administered to the skin.

6. The method of claim 2 , wherein a monoester of fucoxanthin selected from esters with amino acids, esters with carboxylic acids and salts thereof, esters with inorganic acids and salts thereof, fatty acid esters with highly unsaturated fatty acids, unsaturated fatty acids, and saturated fatty acids is administered to the skin.

7. The method of claim 2 , wherein a diester of fucoxanthin having the same or different ester groups is administered to the skin.

8. The method of claim 2 , wherein a glycoside is administered to the skin.

9. The method of claim 1 , wherein fucoxanthin is administered to the skin.

10. The method of claim 1 , wherein fucoxanthinol is administered to the skin.

11. The method of claim 1 , wherein amarouciaxanthin A is administered to the skin.

12. The method of claim 1 , wherein a monoester of fucoxanthin selected from esters with amino acids, esters with carboxylic acids and salts thereof, esters with inorganic acids and salts thereof, fatty acid esters with highly unsaturated fatty acids, unsaturated fatty acids, and saturated fatty acids is administered to the skin.

13. The method of claim 1 , wherein a diester of fucoxanthin having the same or different ester groups is administered to the skin.

14. The method of claim 1 , wherein a glycoside is administered to the skin.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 5, 2016
From: THE RITSUMEIKAN TRUST
To: THE RITSUMEIKAN TRUST; LOGIC CO., LTD.
Reel/Frame 039355/0154 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 5, 2016
From: FUJITA, TAKASHI
To: THE RITSUMEIKAN TRUST
Reel/Frame 039355/0420 →
Priority Claims (1)
JP 2015-087090 · Apr 21, 2015 · national
Continuity (1)
Related Publication 20160310460A1 · Oct 27, 2016