	US 12,077,723 B2
	Method of preparing krill oil and krill oil composition
Jin Chul Roh, Gyeonggi-do (KR); Ju Young Song, Gyeonggi-do (KR); and Jun Gu Lim, Gyeonggi-do (KR)
Assigned to DONGWON F&B CO., LTD., Seoul (KR)
Filed by DONGWON F&B CO., LTD., Seoul (KR)
Filed on Nov. 20, 2020, as Appl. No. 17/100,789.
Claims priority of application No. 10-2020-0099434 (KR), filed on Aug. 7, 2020.
Prior Publication US 2022/0041952 A1, Feb. 10, 2022
Int. Cl. C11B 1/10 (2006.01); A61K 31/661 (2006.01); A61K 35/612 (2015.01)

CPC C11B 1/10 (2013.01) [A61K 31/661 (2013.01); A61K 35/612 (2013.01)]

6 Claims

1. A method for preparing krill oil comprising:

a) mixing krill powder with 70%-95% ethanol, to extract the krill oil;

b) passing the extract through a column comprising a stationary phase selected from the group consisting of alumina and zeolite, to remove salt and cholesterol;

c) concentrating the column eluent;

d) extracting the eluent with 70%-95% ethanol; and

e) concentrate the extract.