Colour change of prodigiosin.
D000900:Anti-Bacterial Agents / Q000032:analysis; D000431:Ethanol; D006863:Hydrogen-Ion Concentration; D010860:Pigments, Biological / Q000032:analysis*; D011758:Pyrroles / Q000032:analysis*; D012706:Serratia marcescens / Q000378:metabolism*; D012996:Solutions; D013053:Spectrophotometry
D000900:Anti-Bacterial Agents; D010860:Pigments, Biological; D011758:Pyrroles; D012996:Solutions; D000431:Ethanol