| abstract |
1-5-Methoxytryptophan, a material for 5-hydroxytryptophan which is useful as an antidepressant and has hormonal actions against Down''s syndrome and the like, is produced by culturing a microorganism, which can produce L-5-lower alkoxytryptophan, in a culture medium containing 5-lower alkoxyindole, together with or without serine, in addition to a carbon source, a nitrogen source, inorganic salts and nutrients. |