引用本文:	李哲,蔡明刚,黄水英,石荣贵,陆晓霞,齐安翔,吴锐.稀土元素Ce对雨生红球藻生长及虾青素积累影响的研究[J].海洋科学,2008,32(9):37-41.

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稀土元素Ce对雨生红球藻生长及虾青素积累影响的研究
李哲¹, 蔡明刚^1,2, 黄水英¹, 石荣贵¹, 陆晓霞¹, 齐安翔¹, 吴锐¹
1.厦门大学海洋与环境学院;2.福建省海洋化学与应用技术重点实验室

摘要:

采用反相高效液相色谱分析法(RP-HPLC)研究了稀土元素铈(Ce³⁺)对雨生红球藻(Haematococcus pluvialis)生长及虾青素积累的影响。结果表明,低质量浓度的 Ce³⁺对微藻生长和虾青素积累均具有明显的促进作用,当 Ce³⁺的质量浓度为0.1 mg/L 时,对藻生长的促进效果最佳,细胞密度较对照组提高34%;当 Ce³⁺的质量浓度为1 mg/L时,虾青素质量分数可达到细胞干质量的3.

关键词: 铈虾青素雨生红球藻(Haematococcus pluvialis) 生长积累

DOI：

分类号:

基金项目:厦门市科技项日(3052Z20031086);新加坡厦门大学校友基金会项目(2007);2007年度大学生创新性实验计划项目(2007);第十一届“挑战杯”全国犬学生课外学术科技作品竞赛项目(2008)

Effects of cerium on cell growth and astaxanthin production of Haematococcus pluvialis

Abstract:

The effects of rare earth element cerium on the cell growth and astaxanthin production of Haematococcus pluvialis were studied.The results showed that lower concentration of Ce³⁺ could improve both the growth rate and astaxanthin production of the microalgae.When the Ce³⁺ of 0.1 mg/L concentration was added,the cell number of H. pluvialis was 34% more than the controls.1 mg/L concentration was the best to accumulate astaxanthin.The astaxanthin content under stress condition could be 3.2% of the cell dry mass,which was 167% higher than the controls.Additionally,higher concentration of Ce³⁺ restrained the growth and astaxanthin production of H. pluvialis.

Key words: cerium astaxanthin Haematococcus pluvialis growth accumulation