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林产化学与工业 ›› 2016, Vol. 36 ›› Issue (6): 29-34.doi: 10.3969/j.issn.0253-2417.2016.06.005

• 研究报告 • 上一篇    下一篇

银杏叶聚戊烯醇含氮和含卤素衍生物的抑菌活性研究

陶冉1,2, 王成章1,2, 叶建中1, 周昊1,2, 陈虹霞1   

  1. 1. 中国林业科学研究院 林产化学工业研究所, 生物质化学利用国家工程实验室, 国家林业局 林产化学工程重点开放性实验室, 江苏省生物质能源与材料重点实验室, 江苏 南京 210042;
    2. 中国林业科学研究院 林业新技术研究所, 北京 100091
  • 收稿日期:2015-12-31 出版日期:2016-12-25 发布日期:2016-12-23
  • 通讯作者: 王成章,男,研究员,博士,博士生导师,主要从事天然产物研究与利用工作;E-mail:wangczlhs@sina.com E-mail:wangczlhs@sina.com
  • 作者简介:陶冉(1982-),男,江苏连云港人,助理研究员,博士,主要从事天然产物化学研究;E-mail:trmoon1949@163.com
  • 基金资助:
    江苏省自然科学青年基金项目(BK20150070);中国林科院林业新技术所基本科研业务费专项资金(CAFINT2014C10);江苏省林业三新工程项目(LYSX[2014]09)

Synthesis and Antibacterial Activity of Nitrogenated and Haloid Derivatives of Ginkgo Biloba Leaves Polyprenol

TAO Ran1,2, WANG Cheng-zhang1,2, YE Jian-zhong1, ZHOU Hao1,2, CHEN Hong-xia1   

  1. 1. Institute of Chemical Industry of Forest Products, CAF, National Engineering Lab. for Biomass Chemical Utilization, Key and Open Lab. of Forest Chemical Engineering, SFA, Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China;
    2. Research Institute of Forestry New Technology, CAF, Beijing 100091, China
  • Received:2015-12-31 Online:2016-12-25 Published:2016-12-23

摘要: 利用含氮和含卤素试剂对银杏叶聚戊烯醇末端羟基进行含氮和含卤素的衍生化改性,结果得到5种衍生物,分别为聚戊烯基邻苯二甲酰亚胺(GPH)、氨基聚戊烯醇(GAM)、聚戊烯基季铵盐(GAS)、聚戊烯基三氟乙酰(GTF)和聚戊烯基氯乙酰(GCH),并用1H NMR分别表征并证实了产物结构。通过比较产物抑菌圈直径和最小抑质量浓度(MIC)来筛选出抗菌作用较强的衍生物,结果显示:GAS对于大肠杆菌和金黄色葡萄球菌的抗菌活性均为最高,其抑菌圈为19.1~19.8 mm,MIC均为31.3 mg/L。同时研究了GAS在亚抑菌质量浓度下(15.6 mg/L)对大肠杆菌和金黄色葡萄球菌的杀菌曲线,结果显示:GAS对大肠杆菌和金黄色葡萄球菌在48 h内具有一定抗菌性;在前8 h内,GAS对于大肠杆菌和金黄色葡萄球菌的杀菌作用较强,致使菌群数量迅速下降;8 h以后,两种菌群都有不同程度的再生,抑菌活性减弱。

关键词: 聚戊烯醇衍生物, 合成, 抗菌活性, 银杏叶

Abstract: Chemical structure modification of -OH in α-terminal unit of Ginkgo biloba leaves polyprenol (GBP) was conducted to prepare five nitrogenated and haloid derivatives of GBP,i.e., polyprenyl phthalimides (GPH), polyprenyl amines (GAM), polyprenyl quaternary ammonium salt (GAS), polyprenyl trifluoroacetate (GTF) and polyprenyl chloroacetate (GCH). All derivatives were identified by 1H NMR. In the study of antibacterial activity, GAS had the highest antibacterial activity against strains Escherichia coli and Staphylococcus aureus with inhibition halos of 19.1-19.8 mm and the minimal inhibitory concentration(MIC) of 31.3 mg/L. At the same time, the time-killing curves of GAS against E.coli and S.aureus under sub-MIC of 15.6 mg/L were drawn and studied. And the results showed that GAS possessed antibacterial activity against E.coli and S.aureus in 48 h and the bacterial number was in a rapid decline within 8 h of exposure in the time-kill studies.

Key words: polyprenol derivatives, synthesis, antibacterial activity, Ginkgo biloba leaves

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