抄録
A new antibiotic, oryzoxymycin (C21H30N2O10, m. w. 470.47; λmax 285 mμ in 0.1N HCl; [α]25D +240°, c=1, in H2O), inhibiting Xanthomonas oryzae was isolated. The producing strain was classified as Streptomyces venezuelae var. oryzoxymyceticus. Production, isolation, purification and physico-chemical preperties of this antibiotic are described.