ochratoxin A + H2O <=> ochratoxin alpha + L-phenylalanine
ochratoxin a + h2o <=> ochratoxin alpha + l-phenylalanine
ochratoxin A + H2O <=> ochratoxin alpha + L-phenylalanine
ochratoxin a + h2o <=> ochratoxin alpha + l-phenylalanine