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.
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