Fig. 3
From: Evaluation of the biomethanation potential of enriched methanogenic cultures on gelatin
GC–MS/MS profiling for the identification major exchange metabolites in anaerobically digested fluid after 11 days of incubation of enriched methanogenic culture on gelatin. 1—acetamide, acetaldehyde; 2—acetic acid, formic acid; 3—succinic acid, l-tyrosine, butanedioic acid, ethylamine, l-methionine, propanedioic acid, 2-pentanoic acid, 2-propionic acid; 4—butanoic acid; 5—1-propene, 3-butene; 6—n-butanol, 1-propanol; 7—propanoic acid