Palmarumycin C3

一种真菌代谢物；对根癌农杆菌、枯草芽孢杆菌、P.lachrymans、青枯菌、溶血链球菌和疱疹病菌有活性（MIC分别为6.25、6.25、12.5、12.5、6.25和6.25µg/ml）；在0.5mg/盘的琼脂扩散试验中对小孢子菌、白纹伊红菌、尖镰孢菌和紫斑病菌有活性；在无细胞试验中清除DPPH自由基，在β-胡萝卜素-亚油酸漂白试验中具有抗氧化活性（IC50分别为37.57和7.41µg/ml）。A fungal metabolite; active against A. tumefaciens, B. subtilis, P. lachrymans, R. solanacearum, S. haemolyticus, and X. vesicatoria (MICs = 6.25, 6.25, 12.5, 12.5, 6.25, and 6.25 µg/ml, respectively); active against M. microspora, E. repens, F. oxysporum, and U. violacea in agar diffusion assays at 0.5 mg/disc; scavenges DPPH radicals in cell-free assays and has antioxidant activity in a β-carotene-linoleic acid bleaching assay (IC50s = 37.57 and 7.41 µg/ml, respectively).分子式C20H12O6分子量348.3OC1=C2C3(OC4=CC=CC5=C4C(O3)=CC=C5)[C@@]6([H])[C@](C(C2=C(C=C1)O)=O)([H])O6