title: Enzymatic formaldehyde production from 5-methyltetrahydrofolic acid: prior step to alkaloid formation.
mesh_terms: D000470:Alkaloids / Q000096:biosynthesis*; D000818:Animals; D001921:Brain / Q000201:enzymology; D005557:Formaldehyde / Q000378:metabolism*; D066298:In Vitro Techniques; D007668:Kidney / Q000201:enzymology; D051381:Rats; D013552:Swine; D013763:Tetrahydrofolates / Q000378:metabolism*
chemical_list: D000470:Alkaloids; D013763:Tetrahydrofolates; D005557:Formaldehyde