US 11,732,059 B2
Sphingan oligosaccharides
Bastian Borum Andersen, Frederiksberg (DK); Justin Bradford Thompson, Shepherdsville, KY (US); Jan Larsen, Valby (DK); Sune Allan Petersen, Greve (DK); Lan Ma, Chula Vista, CA (US); Willis C. Baldwin, Jr., San Diego, CA (US); JeRay Jay Rosas, San Diego, CA (US); and Andrew John Ryder, Jamul, CA (US)
Assigned to CP Kelco U.S., Inc., Atlanta, GA (US)
Filed by CP KELCO U.S., INC., Atlanta, GA (US)
Filed on Jul. 15, 2021, as Appl. No. 17/376,219.
Claims priority of provisional application 63/053,193, filed on Jul. 17, 2020.
Prior Publication US 2022/0017649 A1, Jan. 20, 2022
Int. Cl. C08B 37/00 (2006.01); A23L 33/125 (2016.01)
CPC C08B 37/006 (2013.01) [A23L 33/125 (2016.08)] 20 Claims
 
1. A process for preparing a sphingan oligosaccharide composition, comprising:
(a) providing a sphingan composition comprising a sphingan and a liquid medium comprising a water;
(b) contacting the sphingan composition with an effective amount of a solid acid to obtain an exchanged solid acid and an acidified sphingan composition;
(c1) separating the acidified sphingan composition from the exchanged solid acid and hydrolyzing the acidified sphingan composition in the absence of the exchanged solid acid to obtain a sphingan hydrolysate composition; or
(c2) hydrolyzing the acidified sphingan composition in the presence of the exchanged solid acid to obtain a sphingan hydrolysate composition and separating the exchanged solid acid from the sphingan hydrolysate composition;
(d) adding a base to the sphingan hydrolysate composition to obtain the sphingan oligosaccharide composition having a pH of about 4 to about 8; and
(e) optionally, contacting the sphingan composition and/or the sphingan oligosaccharide composition with a solid base;
wherein the hydrolyzing occurs at a temperature of from about 35° C. to about 140° C.