陈楚英;彭旋;陈金印;万春鹏;

• 1:江西农业大学农学院·江西省果蔬保鲜与无损检测重点实验室·江西省果蔬采后处理关键技术与质量安全协同创新中心
• 2:萍乡学院

摘要(Abstract)：

【目的】探究白薇抑制柑橘采后青霉病菌——意大利青霉活性部位的化学成分。【方法】采用抑菌活性靶向分离、溶剂萃取、各种柱层析及制备液相色谱分离单体化合物,核磁共振(NMR)和高分辨离子肼质谱(HR-IT-TOF-MS)鉴定分离的化合物。【结果】白薇乙酸乙酯(CAE)和正丁醇(CAB)萃取物有抑菌活性,正丁醇萃取物抑菌活性最强,大孔树脂进一步分离富集抑菌活性,CAB-C2为白薇抑菌活性部位,质量浓度为0.625 mg·mL-1时其抑菌圈直径达到16.25 mm。采用各种柱层析及制备液相色谱技术从活性部位中分离出5个单体化合物,经NMR和MS鉴定为10β-N-氧化-7-脱甲氧基娃儿滕碱(1)、9-脱氢安托芬(2)、9,14-脱氢安托芬(3)、14羟基-N-氧化-7-脱甲氧基娃儿滕碱(4)、10α-N-氧化-7-脱甲氧基娃儿滕碱(5)。【结论】5种生物碱类活性成分均为首次从白薇中分离鉴定,生物碱类成分为白薇抑制柑橘采后青霉病菌的主要活性成分。

关键词(KeyWords)： 柑橘;青霉病;意大利青霉;白薇;生物碱;活性成分

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(31760598)

作者(Author): 陈楚英;彭旋;陈金印;万春鹏;

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DOI:

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