Fig. 3From: Extraction and purification of ustiloxin A from rice false smut balls by a combination of macroporous resin and high-speed countercurrent chromatographyAdsorption capacities of five MRs (a) and the effect of pH on UstA adsorption by two ion-exchange resins (b). The values of columns with different letters were significantly different (p < 0.05)Back to article page