不同营养因子对微藻3种培养方式生产EPA的影响

INFLUENCE OF DIFFERENT NUTRIENT SUBSTANCE ON EPA-YIELDING UNDER THREE CULTURE MODES BY MICROALGAE

二十碳五烯酸(EPA)具有的重要作用引起人们广泛关注,微藻是生产EPA的最佳来源。许多微藻具有利用有机碳进行兼养和异养的能力,可以弥补自养培养光限制的不足,并且提高了EPA产量。综述了碳、氮和磷等几种重要营养因子对微藻自养、兼养和异养3种培养方式生产EPA的影响,阐明兼养和异养是微藻生产EPA的有效培养方式。

We have paid more attention to eicosapentaenoic acid （EPA） that plays an important role in many aspects. Microalgae is the optimal source of EPA production. Some microalgae can grow mixotrophically and heterotrophically on organic carbon, which can compensate for the light limitation of autotrophication, and also improve the EPA-yielding. Here we reviewed the influence of several important nutrient substances on EPA-yielding under three culture modes of autotrophication, mixotrophication and heterotrophication by microalgae, such as carbon, nitrogen, phosphorus and so on, illustrating that mixotrophication and heterotrophication are effective ways of yielding EPA.