	US 12,433,926 B2
	Burdock seed oil-containing composition and method for producing same
Momoko Imai, Osaka (JP); and Takashi Shimizu, Osaka (JP)
Assigned to ROHTO PHARMACEUTICAL CO., LTD., Osaka (JP)
Filed by ROHTO Pharmaceutical Co., Ltd., Osaka (JP)
Filed on Apr. 3, 2025, as Appl. No. 19/169,459.
Application 19/169,459 is a continuation of application No. PCT/JP2023/036324, filed on Oct. 5, 2023.
Claims priority of application No. 2022-161418 (JP), filed on Oct. 6, 2022.
Prior Publication US 2025/0228911 A1, Jul. 17, 2025
Int. Cl. A61K 36/28 (2006.01); A61K 47/14 (2017.01)

CPC A61K 36/28 (2013.01) [A61K 47/14 (2013.01)]

8 Claims

1. A composition comprising:

(A) burdock seed oil; and

(B) one or more compounds selected from the group consisting of triethyl citrate, diisopropyl adipate, diethyl sebacate, and phenoxyethanol;

wherein arctigenin derived from the component (A) has a content of 1 to 7.5 mass %, and

wherein the component (B) is the triethyl citrate.