SEARCH Articles Figures Tables Alkali sulfides, reducing agents Ammonium hydrogen sulfide, reducing agent Ammonium sulfide, reducing agent Ammonium sulfide, reducing agent reduction Hydrogen sulfide reducing action Oxidation reduced sulfide, microbial Reduced Sulfur Compounds (Dimethyl Sulfide) Reducing agents dimethyl sulfide Sulfate Must Be Reduced to Sulfide before Incorporation into Amino Acids Sulfides (H2S, CS2, COS, RSH) Reduced sulfur