Figure 1.

¹H-NMR spectral assignment of DMEM media. A total 26 metabolites were quantified using targeted profiling. 1—3-Methyl-2-oxovalerate, 2—2-Oxoisocaproate, 3—Leucine, 4—Isoleucine, 5—Valine, 6—Lactate, 7—Alanine, 8—Lysine, 9—Acetate, 10—Pyroglutamate, 11—Glutamine, 12—Glutamate, 13—Pyruvate, 14—Methionine, 15—Methylguanidine, 16—cis-Aconitate, 17—Choline, 18—Glucose, 19—Glycine, 20—myo-Inositol, 21—Serine, 22—Fructose, 23—Threonine, 24—Tyrosine, 25—Phenylalanine, 26—Formate.