US 7,572,468 B1
Extraction of carotenoids from plant material
Betty K. Ishida, El Cerrito, Calif. (US); Mary H. Chapman, El Cerrito, Calif. (US); Sarabjit Singh Randhava, Evanston, Ill. (US); and Sikander Singh Randhava, Evanston, Ill. (US)
Assigned to The United States of America as represented by the Secretary of Agriculture, Washington, D.C. (US); and United Technologies, Mt. Prospect, Ill. (US)
Filed on Dec. 27, 2005, as Appl. No. 11/319,148.
Claims priority of provisional application 60/640029, filed on Dec. 28, 2004.
Int. Cl. A01N 65/00 (2006.01); A61K 36/81 (2006.01)
U.S. Cl. 424—725  [424/777] 6 Claims
 
1. A composition for the extraction of carotenoids from plant matter consisting essentially of plant carotenoid-containing matter and a solution of ethyl lactate in combination with an amount of ethanol, wherein the amount of ethanol is in a range of about 1% to about 20% volume/volume (v/v) of the solution.