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南京医科大学学报(自然科学版)                                  第44卷第3期
               ·336 ·                     Journal of Nanjing Medical University(Natural Sciences)   2024年3月


             ·基础研究·

              迷迭香酸⁃锌配合物的抗氧化和抗菌性研究



              蒋骋昊 ,卞晶晶 ,谢海峰          2*
                             2
                     1
               南京医科大学口腔医学院,江苏            南京    210029;南京医科大学附属口腔医院修复科,江苏省口腔疾病研究重点实验室,江
              1                                      2
              苏省口腔转化医学工程研究中心,江苏 南京                 210029



             [摘    要] 目的:研究迷迭香酸(rosmarinic acid,RA)和锌(zinc,Zn)离子络合后的结构、抗氧化性、抗菌性和生物相容性。方
              法:利用扫描电子显微镜、红外和紫外⁃可见光谱分析迷迭香酸锌配合物(RA⁃Zn)的结构。通过细胞增殖实验比较RA和RA⁃Zn
              对成骨细胞增殖活性的影响,通过铁离子还原抗氧化能力实验和2,2⁃联氮⁃二⁃(3⁃乙基苯并噻唑⁃6⁃磺酸)二铵盐[2,2′⁃azinobis
             (3⁃ethylbenzothiazoline⁃6⁃sulfonic acid)ammonium salt,ABTS]自由基清除实验分析两者的抗氧化性,最小抑菌浓度法比较两者
              对金黄色葡萄球菌的抑制活性。结果:成功合成了RA⁃Zn。作用第5天,RA⁃Zn促进成骨细胞增殖的作用优于RA(P < 0.05),
              200 μmol/L RA⁃Zn的抗氧化能力比RA更强(P < 0.05)。RA浓度≥400 μmol/L、而RA⁃Zn浓度≥25 μmol/L时能抑制金黄色葡萄
              球菌活性(P < 0.05)。结论:RA和Zn离子络合后抗氧化性和抗菌性增强,具有促进成骨细胞增殖的作用。
             [关键词] 迷迭香酸⁃锌配合物;抗氧化;抗菌
             [中图分类号] R918                     [文献标志码] A                        [文章编号] 1007⁃4368(2024)03⁃336⁃07
              doi:10.7655/NYDXBNSN230836



              Study on antioxidant and antimicrobial properties of rosmarinic acid⁃zinc complexes
                            1             2           2*
              JIANG Chenghao ,BIAN Jingjing ,XIE Haifeng
                                                                             2
              1 School of Stomatology,Nanjing Medical University,Nanjing 210029;Department of Prosthodontics,Jiangsu
              Province Key Laboratory of Oral Diseases,Jiangsu Province Engineering Research Center of Stomatological
              Translational Medicine,the Affiliated Stomatological Hospital of Nanjing Medical University,Nanjing 210029,China


             [Abstract] Objective:To investigate the structure,antioxidant,antimicrobial and biocompatibility of rosmarinic acid(RA)and zinc
             (Zn)complexes. Methods:The structures of zinc complexes with rosmarinic acid(RA ⁃ Zn)were analyzed by scanning electron
              microscopy,infrared and ultraviolet⁃visible spectroscopy. The effects of RA and RA⁃Zn on the proliferative activity of osteoblasts were
              compared by cell proliferation assay. The antioxidant properties were analyzed by ferric ion reducing antioxidant power assay and 2,2⁃
              azinobis(3⁃ethylbenzothiazoline⁃6⁃sulfonic acid)ammonium salt(ABTS)free radical scavenging assay. The inhibitory activities of RA
              and RA⁃Zn against Straphylococcus aureus were compared by the minimum inhibitory concentration assay. Results:The complex
             (RA⁃Zn)was successfully synthesized. On the 5th day of treatment,the effect of RA⁃Zn on promoting osteoblast proliferation was
              superior to that of RA(P < 0.05). RA ⁃ Zn of 200 μmol/L had stronger antioxidant capacity than RA(P < 0.05). RA inhibited
              Staphylococcus aureus activity at the concentration of ≥400 μmol/L(P < 0.05),while RA⁃Zn showed these inhibitory effect at the
              concentration of ≥ 25 μmol/L(P < 0.05). Conclusion:The antioxidant and antimicrobial properties are enhanced by the complexation
              of RA and Zn ions,which promotes osteoclast proliferation.
             [Key words] rosmarinic acid⁃zinc complexes;antioxidant;antibacterial
                                                                         [J Nanjing Med Univ,2024,44(03):336⁃341,351]




                                                                     从天然植物中提取的酚类化合物,因其强大的
                                                                抗氧化、抗菌、抗炎、抗肿瘤、抗病毒等生物活性而
             [基金项目] 江苏省重点研发计划(社会发展)项目(BE
              2022787);江苏省大学生创新训练重点项目(202210312004Z)            受到广泛关注,作为天然来源的抗氧化剂具有极大
              ∗                                                 的生物和经济利用价值            [1-2] 。由于羧基或羟基的存
              通信作者(Corresponding author),E⁃mail:xhf⁃1980@126.com
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