title: Vitamin B6 antagonists of natural origin.
mesh_terms: D000190:Actinomyces; D000409:Alanine / Q000494:pharmacology; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology; D000963:Antimetabolites / Q000494:pharmacology*; D001487:Basidiomycota; D002172:Canavanine / Q000494:pharmacology; D002645:Chickens; D002794:Choline / Q000494:pharmacology; D003523:Cycloserine / Q000494:pharmacology; D004044:Dietary Proteins / Q000009:adverse effects; D004295:Dihydroxyphenylalanine / Q000494:pharmacology; D006801:Humans; D006834:Hydrazines / Q000494:pharmacology; D008043:Linseed Oil; D009570:Nitriles / Q000494:pharmacology; D010455:Peptides / Q000494:pharmacology; D010659:Phenylhydrazines / Q000494:pharmacology; D010944:Plants; D011728:Pyridones / Q000494:pharmacology; D011736:Pyridoxine / Q000037:antagonists & inhibitors*; D013329:Structure-Activity Relationship; D014118:Toxins, Biological / Q000494:pharmacology; D026681:Vitamin B 6 Deficiency / Q000139:chemically induced* / Q000209:etiology
chemical_list: D000900:Anti-Bacterial Agents; D000963:Antimetabolites; D004044:Dietary Proteins; D006834:Hydrazines; D009570:Nitriles; D010455:Peptides; D010659:Phenylhydrazines; D011728:Pyridones; D014118:Toxins, Biological; D002172:Canavanine; D004295:Dihydroxyphenylalanine; D008043:Linseed Oil; D003523:Cycloserine; D011736:Pyridoxine; D002794:Choline; D000409:Alanine