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首页> 外文期刊>Journal of Nutritional Science and Vitaminology >Effect of Air Nanobubble Water on the Growth and Metabolism of Haematococcus lacustris and Botryococcus braunii
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Effect of Air Nanobubble Water on the Growth and Metabolism of Haematococcus lacustris and Botryococcus braunii

机译：空气纳米柔臼水对Haematococcus Lapustis和Botrycoccus Braunii的生长和代谢的影响

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摘要

Miniature air bubbles with a diameter of less than 200 nm were generated by a nanobubble aerator, and nanobubble water (NBW) was eventually obtained using the gas-liquid mixing system with hydrodynamic function. As the air bubbles have long lifetime and high gas solubility in the liquids, NBW is stable in nature and inside contains sufficient dissolved oxygen. At present, there is no report on the use of NBW to replace ordinary water to cultivate microalgae. In this research, effect of NBW on the growth and metabolism of different microalgae, including Haematococcus lacustris and Botryococcus braunii was investigated. The result demonstrated that the growth of H. lacustris and B. braunii was increased by NBW and the highest promotion ratio was up to 44% and 26%, respectively. For H. lacustris, the astaxanthin content in the NBW treatment group was also improved compared to the control group. As the main product of B. braunii, lipid content in the dry matter was decreased after the treatment of NBW, but total lipid production was significantly higher than that of the control group. In general, NBW could serve as the potentially effective tool to promote the growth of microalgae in the future.
机译：直径小于200nm的微型气泡由纳米蜂房曝气器产生，并且最终使用具有流体动力学功能的气液混合系统获得纳米泡水（NBW）。随着气泡在液体中具有长的寿命和高气体溶解度，NBW自然界稳定，内部含有足够的溶解氧。目前，没有关于使用NBW取代普通水以培养微藻的报道。在这项研究中，研究了NBW对不同微藻的生长和代谢的影响，包括Haematococcus Lazustis和Botryococcus Braunii。结果表明，NBW增加了H. Lakustris和B.Braunii的生长，最高促进率可分别为44％和26％。对于H. Lapustris，与对照组相比，NBW处理组中的虾青素含量也得到改善。作为B. Braunii的主要产物，在治疗NBW后，干物质中的脂质含量降低，但总脂质产量明显高于对照组。通常，NBW可以作为促进未来微藻生长的潜在有效工具。

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