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ISSN 1673-9159

主管 广东省高等教育厅

主办 广东海洋大学

光周期和维生素对巴夫藻生长和物质生产能力的影响

2023. 光周期和维生素对巴夫藻生长和物质生产能力的影响. 广东海洋大学学报, 43(6): 89-98. doi: 10.3969/j.issn.1673-9159.2023.06.011
引用本文: 2023. 光周期和维生素对巴夫藻生长和物质生产能力的影响. 广东海洋大学学报, 43(6): 89-98. doi: 10.3969/j.issn.1673-9159.2023.06.011
LIU Fan, WANG Yuhan, DONG Miaoping, JIN Cuili, LIU Qing, ZHOU Xiaojian. 2023. Effects of Photoperiod and Vitamin on Growth and Material Production Capacity of Pavlova sp.. Journal of Guandong Ocean University, 43(6): 89-98. doi: 10.3969/j.issn.1673-9159.2023.06.011
Citation: LIU Fan, WANG Yuhan, DONG Miaoping, JIN Cuili, LIU Qing, ZHOU Xiaojian. 2023. Effects of Photoperiod and Vitamin on Growth and Material Production Capacity of Pavlova sp.. Journal of Guandong Ocean University, 43(6): 89-98. doi: 10.3969/j.issn.1673-9159.2023.06.011

光周期和维生素对巴夫藻生长和物质生产能力的影响

  • 基金项目:

    国家自然科学基金(42177459);扬州大学大学生科创基金(XCX20230622)

详细信息
    作者简介:

    刘凡(1998-),男,硕士研究生,主要研究方向为环境生物学。E-mail:630967286@qq.com

  • 中图分类号: P745

Effects of Photoperiod and Vitamin on Growth and Material Production Capacity of Pavlova sp.

  • Fund Project: 国家自然科学基金(42177459);扬州大学大学生科创基金(XCX20230622)
  • 【目的】研究光周期和维生素对巴夫藻(Pavlova sp.)生长和物质产量的影响,为提高巴夫藻的培养效益提供实验依据。【方法】采用维生素浓度和光周期的双因素实验,培养巴夫藻14 d,测定藻细胞中色素、脂肪、蛋白质和多糖的含量,并分析脂肪酸组成和生物柴油性能的变化。【结果】最适合巴夫藻生长的光周期是16 h∶8 h。在1V 16 h∶8 h的条件下,巴夫藻的生物量干质量和蛋白质产量最高,分别为501.50和55.54 mg·L-1。在8V 8 h∶16 h条件下,岩藻黄素含量和产量最高,分别为6.21 mg·g-1和2.60 mg·L-1。在8V 24 h∶0 h和8V 16 h∶8 h条件下,脂肪含量和产量最高,分别为30.18%和123.87 mg·L-1。最适合二十碳五烯酸(Eicosapentaenoic acid,EPA)生产的光周期为8 h∶16 h,在1V 8 h∶16 h的条件下,EPA占比达15.46%。在4V 24 h∶0 h条件下,生物柴油的十六烷值(CN)达到53.98,不饱和度(DU)和碘值(IV)最低。【结论】与维生素浓度相比,光周期对巴夫藻培养更为重要,光周期不仅影响巴夫藻的生长,还对其物质生产影响显著,并能改变巴夫藻的脂肪酸组成和生物柴油性能。
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出版历程
收稿日期:  2023-06-25

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