all items  in current results   Refine your search within these categories: 01. Food Nutrient & Dietary Chemicals (group results) Nitrogen components (1) Vitamins [ChEBI:26848] (1) 02. Food Pesticide Chemicals with Regulated Residues on Food Commodities 03. Biological Effects of Specific Chemicals: all > molecular messenger [CHEBI:33280] hormone [CHEBI:24621] (1) neurotransmitter [CHEBI:25512] (3) 04. Bioactive Capabilities of Specific Chemicals (group results) Hydrolases [EC:3] (2) Lyases [EC:4] (2) Oxidoreductases [EC:1] (1) Transferases [EC:2] (3) 05. Industrial Uses (group results) pharmaceutical [CHEBI:52217] (1) 06. Name of Biological Source of Chemical 07. Part of Biological Source of Chemical 08. Chemical Category: all > ion [CHEBI:24870] > cation [CHEBI:36916] (group results) polyatomic cation [CHEBI:33702] (3) 09. Chemical Capabilities Recently Viewed Items Go to Item History

These terms define your current search. Click the × to remove a term. 08. Chemical Category: ion [CHEBI:24870] > cation [CHEBI:36916] × 03. Biological Effects of Specific Chemicals: molecular messenger [CHEBI:33280] × 3 items, grouped by 03. Biological Effects of Specific Chemicals (view ungrouped items) hormone [CHEBI:24621] (1)    [CHEBI:15355]   acetylcholine               neurotransmitter [CHEBI:25512] (3)    [CHEBI:15354]   choline               [CHEBI:15355]   acetylcholine               [CHEBI:327995]   tyraminium