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首页> 外文期刊>Journal of Chemical Engineering & Process Technology >Comparative Studies on Accumulation of Selected Microelements by Spirulina Platensis and Chlorella Vulgaris with the Prospects of Functional Food Development
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Comparative Studies on Accumulation of Selected Microelements by Spirulina Platensis and Chlorella Vulgaris with the Prospects of Functional Food Development

机译：螺旋藻和寻常小球藻对某些微量元素的积累及功能性食品开发前景的比较研究

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Chlorella vulgaris and Spirulina platensis as plausible basic material of perspective functional foodstuffs were in the focus of the research due to the high content of bioactive compounds, favorable growing feature and pronounced microelement accumulation capabilities.The emphasis was laid on the investigation of bioaccumulation of four microelements (Fe(III), Cu(II), Zn(II), Mo(VI)) in cases of the two abovementioned alga species. Metal binding aspects of algae in our case was not examined for perspective utilisation in environmental protection, but purposively for revealing ways for possible functional food developments.Both Spirulina platensis and Chlorella vulgaris proved to be efficient in terms of metal accumulation in two-weeklong experiments. With the exception of molybdenum the bioaccumulation capacity of Chlorella exceeded that of Spirulina. Iron (789.7 ± 102.7mg kg-1) and zinc (378.1 ± 5.5mg kg-1) were accumulated to a large extent by Chlorella vulgaris, while bioaccumulation ability of Spirulina platensis proved to be the most significant for iron (676.9 ± 27.6mg kg-1) and molybdenum (5.79 ± 1.1mg kg-1).The biomass of Spirulina platensis increased to greater extent than that of Chlorella after the same incubation time in case of the control media, however metal treatment of the media favoured more pronouncedly the growth of biomass of Chlorella vulgaris. The biomass of Spirulina platensis was diminished when incubated in metal fortified media, with the exception of iron.As a consequence it might be established that both studied algae species can be suggested for involvement in further functional food developments, since they may inevitably contribute to microelement supply of humans, or to the prevention of iron deficiency anaemia thanks to their large microelement accumulation capabilities.
机译：由于生物活性化合物含量高，生长特性好，微量元素积累能力明显，寻常小球藻和螺旋藻作为前景功能性食品的合理基础材料成为研究重点，重点是研究四种微量元素的生物蓄积性。在上述两种藻类的情况下（Fe（III），Cu（II），Zn（II），Mo（VI））。在我们的案例中，藻类的金属结合方面并未在环境保护中进行透视利用，而是有目的地揭示了可能的功能性食品开发方法。螺旋藻和小球藻在两周的实验中均证明了其在金属积累方面的有效性。除钼外，小球藻的生物蓄积能力超过了螺旋藻。普通小球藻大量积累铁（789.7±102.7mg kg-1）和锌（378.1±5.5mg kg-1），而螺旋藻的生物蓄积能力被证明对铁（676.9±27.6mg）最为重要。 kg-1）和钼（5.79±1.1mg kg-1）。在相同的孵育时间下，如果使用对照培养基，螺旋藻的生物量增加程度要比小球藻大，但对培养基进行金属处理更为有利小球藻的生物量生长。在铁以外的金属强化培养基中孵育时，螺旋藻的生物量会减少，因此可以确定这两种藻类都可能被建议参与进一步的功能性食品开发，因为它们可能不可避免地有助于微量元素的产生。由于其大量的微量元素积累能力，因此可以满足人类的需求或预防缺铁性贫血。

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