	US 12,448,586 B2
	Unsaturated fatty acid-containing water-in-oil type composition and method for producing same
Arata Hashimoto, Izumisano (JP); and Masaharu Kato, Izumisano (JP)
Assigned to FUJI OIL HOLDINGS INC., Izumisano (JP)
Appl. No. 18/009,055
Filed by FUJI OIL CO., LTD., Izumisano (JP)
PCT Filed May 20, 2021, PCT No. PCT/JP2021/019190 § 371(c)(1), (2) Date Dec. 8, 2022, PCT Pub. No. WO2021/251097, PCT Pub. Date Dec. 16, 2021.
Claims priority of application No. 2020-102311 (JP), filed on Jun. 12, 2020.
Prior Publication US 2023/0250360 A1, Aug. 10, 2023
Int. Cl. C11B 5/00 (2006.01)

CPC C11B 5/0035 (2013.01) [C11B 5/0028 (2013.01); C11B 5/0092 (2013.01)]

8 Claims

1. An unsaturated-fatty-acid-containing water-in-oil composition comprising:

an aqueous phase A having a pH adjusted to 3.1 to 8 in which at least one water-soluble antioxidant selected from the group consisting of ascorbic acid and polyphenols is dissolved,

an aqueous phase B having a pH adjusted to 0.5 to 3 in which at least one water-soluble antioxidant selected from the group consisting of ascorbic acid and polyphenols is dissolved, and

an oil phase containing an unsaturated fatty acid,

the aqueous phase A and the aqueous phase B, each having a particle size of 500 nm or less, being finely dispersed individually in the oil phase.