US 12,446,598 B2
Method of preparing granular feed additive
Su Kwon Jung, Seoul (KR); Seung Je Lee, Seoul (KR); In Sung Lee, Seoul (KR); Seok Tae Cho, Seoul (KR); Il Chul Kim, Seoul (KR); Yong Bum Seo, Seoul (KR); Se Hee Jo, Seoul (KR); and Jong Hwan Shin, Seoul (KR)
Assigned to CJ CHEILJEDANG CORPORATION, Seoul (KR)
Appl. No. 17/908,856
Filed by CJ CHEILJEDANG CORPORATION, Seoul (KR)
PCT Filed Jan. 19, 2021, PCT No. PCT/KR2021/000698
§ 371(c)(1), (2) Date Sep. 1, 2022,
PCT Pub. No. WO2021/182742, PCT Pub. Date Sep. 16, 2021.
Claims priority of application No. 10-2020-0031305 (KR), filed on Mar. 13, 2020.
Prior Publication US 2023/0103838 A1, Apr. 6, 2023
Int. Cl. A23K 20/142 (2016.01); A23K 40/10 (2016.01)
CPC A23K 20/142 (2016.05) [A23K 40/10 (2016.05)] 17 Claims
OG exemplary drawing
 
1. A method of preparing a granular feed additive, the method comprising steps of:
preparing a basic amino acid aqueous solution that comprises a basic amino acid (step a); and
injecting carbon dioxide into the basic amino acid aqueous solution to prepare a neutralized amino acid aqueous solution (step b),
wherein the basic amino acid aqueous solution is prepared from a fermentation broth obtained from microbial culture, and wherein pH of the neutralized amino acid aqueous solution is 8.5 to 9.5.