1 材料与方法
1.1 材料
1.2 方法
图1 化合物1~6的结构Fig. 1 Structures of compounds 1-6 1: R1=C2H5, R2=H, R3=caffeoyl, R4=H, R5=caffeoyl; 2: R1=CH3, R2=H, R3=caffeoyl, R4=H, R5=caffeoyl; 3: R1=CH3, R2=H, R3=caffeoyl, R4=caffeoyl, R5=H; 4: R1=H, R2=H, R3=caffeoyl, R4=caffeoyl, R5=H; 5: R1=CH3, R2=H, R3=caffeoyl, R4=H, R5=caffeoyl; 6: R1=H, R2=caffeoyl, R3=caffeoyl, R4=H, R5=caffeoyl. |
2 结果与分析
2.1 结构鉴定
2.2 抗细菌实验结果
表1 化合物1~6对3株细菌最低抑菌浓度Tab. 1 Minimum inhibitory concentrations (MIC) of the compounds 1-6 against three bacteria μg/mL |
| 菌株Strains | 1 | 2 | 3 | 4 | 5 | 6 | 链霉素Streptomycin |
|---|---|---|---|---|---|---|---|
| Staphylococcus aureus subsp. aureus (DSM 799) | >128 | >128 | >128 | >128 | 128 | 64 | 5 |
| Escherichia coli (DSM 1116) | >128 | >128 | 128 | >128 | >128 | >128 | 1 |
| Bacillus subtilis (DSM 1088) | >128 | >128 | 64 | >128 | >128 | >128 | 5 |
