Fig. 7From: Extraction and purification of ustiloxin A from rice false smut balls by a combination of macroporous resin and high-speed countercurrent chromatographyHPLC chromatograms of crude extracts of rice false smut balls (a), sample after MR column chromatography (b) and UstA purified by HSCCC (c). Chromatograms were recorded at 254 nm. The UV spectra of the UstA product are shown in dBack to article page