CPC A61K 31/519 (2013.01) [A23L 33/10 (2016.08); A23L 33/40 (2016.08); A61K 31/223 (2013.01); A23V 2002/00 (2013.01)] | 17 Claims |
1. A crystalline salt comprising 5-methyl-(6S)-tetrahydrofolic acid and L-valine ethyl ester wherein the molar ratio of 5-methyl-(6S)-tetrahydrofolic acid to L-valine ethyl ester is from 1:0.3 to 1:3.0 (in mol/mol), or a hydrate or solvate thereof.
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