Astaxanthin production from the microalga <i>Haematococcus lacustris</i> with a dual substrate mixotrophy strategy

Khazi, Mahammed Ilyas; Liaqat, Fakhra; Gu, Wenhui; Mohamed, Badr A.; Zhu, Daochen; Li, Jian

doi:10.1002/biot.202300095

Cited by 3 publications

(3 citation statements)

References 41 publications

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“…[85] In the H. pluvialis, the pH steady cultivation is accompanied by the increase of biomass accumulation, nitrate consumption and carbon fixation due to increased Ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCo) activity. [86] In addition to CO 2 , carbon can also be supplied as different organic molecules, which typically enhance the microalgae growth, [142,153,154] It was recently reported that a combination of acetate and pyruvate enhanced the Haematococcus lacustris growth twice in mixotrophic in comparison to phototrophic conditions. [153]…”

Section: Co 2 Supplementation and Ph Control Influence Microalgae Growthmentioning

confidence: 99%

“…[86] In addition to CO 2 , carbon can also be supplied as different organic molecules, which typically enhance the microalgae growth, [142,153,154] It was recently reported that a combination of acetate and pyruvate enhanced the Haematococcus lacustris growth twice in mixotrophic in comparison to phototrophic conditions. [153]…”

Section: Co 2 Supplementation and Ph Control Influence Microalgae Growthmentioning

confidence: 99%

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Recent advances and fundamentals of microalgae cultivation technology

Rozenberg,

Sorokin,

Mukhambetova

et al. 2024

Biotechnology Journal

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Microalgae are considered to be a promising group of organisms for fuel production, waste processing, pharmaceutical applications, and as a source of food components. Unicellular algae are worth being considered because of their capacity to produce comparatively large amounts of lipids, proteins, and vitamins while requiring little room for growth. They can also grow on waste and fix CO2 and nitrogen compounds. However, production costs limit the industrial use of microalgae to the most profitable applications including micronutrient production and fish farming. Therefore, novel microalgae based technologies require an increase of the production efficiencies or values. Here we review the recent studies focused on getting strains with novel characteristics or cultivating techniques that improve production's robustness or efficiency and categorize these findings according to the fundamental factors that determine microalgae growth. Improvements of light and nutrient delivery, as well as other aspects of photobioreactor design, have shown the highest average increase in productivity. Other methods, such as an improvement of phosphorus or CO2 fixation and temperature adaptation have been found to be less effective. Furthermore, interactions with particular bacteria may promote the growth of microalgae, although bacterial and grazer contaminations must be managed to avoid culture failure. The competitiveness of the algal products will increase if these discoveries are applied to industrial settings.

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Section: Co 2 Supplementation and Ph Control Influence Microalgae Growthmentioning

confidence: 99%

Section: Co 2 Supplementation and Ph Control Influence Microalgae Growthmentioning

confidence: 99%

Recent advances and fundamentals of microalgae cultivation technology

Rozenberg,

Sorokin,

Mukhambetova

et al. 2024

Biotechnology Journal

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“…[ 1 ] Microalgae are considered as an alternative to produce a wide range of value‐added chemicals with different applications including biofuels, cosmetics, pharmaceuticals, food, feed. [ 2,3 ] Microalgae are prokaryotic or eukaryotic photosynthetic microorganisms with a simple cell structure characterized by high sun‐based power conversion into biomass (Ten times higher than plants and macroalgae) due to proficient access to water, CO 2 and nutrients. [ 4 ] Microalgae are able to use wastewater and flue gases for their growth, which represents a sustainable approach to mitigate GHG emissions, reduce pollution, and generate bioenergy products.…”

Section: Introductionmentioning

confidence: 99%

Indigenous microalgae strains characterization for a sustainable biodiesel production

Amouri,

Aziza,

Kaidi

et al. 2023

Biotechnology Journal

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Microalgae have been widely recognized as a promising feedstock for sustainable biofuels production to tackle global warming and pollution issues related to fossil fuels uses. This study identified and analyzed indigenous microalgae strains for biodiesel production, specifically Chlorella vulgaris and Coelastrella thermophila var. globulina, from two distinct locations in Algeria. Molecular identification confirmed their identity, and the microalgae exhibited notable growth characteristics. Local Chlorella vulgaris and Coelastrella thermophila var. globulina showed good growth and high biomass yield, compared to Chlorella vulgaris CCAP211/11B reaching a weight of 1.48 g L‐1, 1.95 g L‐1, and 2.10 g L‐1, respectively. Lipids content of local Chlorella vulgaris, Coelastrella thermophila var. globulina, and Chlorella vulgaris CCAP211/11B, were found to be 31.39 ± 3.3%, 17 ± 2.26%, and 19 ± 0.64%, respectively. Chlorella vulgaris stood out as a candidate for biodiesel production due to its equilibrium between SFA and PUFA (43.24% and 45.27%). FAs are predominated by SFA and MUFA for Coelastrella thermophila var. globulina with value of 81.49% (SFA+MUFA). Predicted biodiesel qualities comply with ASTM6751 and EN14214 standards.Studied microalgae have therefore a promising potential for biodiesel production. However, optimising cultivation conditions is necessary to enhance biomass and lipids yield at a large scale.

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Astaxanthin: Past, Present, and Future

Nishida,

Berg,

Shakersain

et al. 2023

Marine Drugs

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Astaxanthin (AX), a lipid-soluble pigment belonging to the xanthophyll carotenoids family, has recently garnered significant attention due to its unique physical properties, biochemical attributes, and physiological effects. Originally recognized primarily for its role in imparting the characteristic red-pink color to various organisms, AX is currently experiencing a surge in interest and research. The growing body of literature in this field predominantly focuses on AXs distinctive bioactivities and properties. However, the potential of algae-derived AX as a solution to various global environmental and societal challenges that threaten life on our planet has not received extensive attention. Furthermore, the historical context and the role of AX in nature, as well as its significance in diverse cultures and traditional health practices, have not been comprehensively explored in previous works. This review article embarks on a comprehensive journey through the history leading up to the present, offering insights into the discovery of AX, its chemical and physical attributes, distribution in organisms, and biosynthesis. Additionally, it delves into the intricate realm of health benefits, biofunctional characteristics, and the current market status of AX. By encompassing these multifaceted aspects, this review aims to provide readers with a more profound understanding and a robust foundation for future scientific endeavors directed at addressing societal needs for sustainable nutritional and medicinal solutions. An updated summary of AXs health benefits, its present market status, and potential future applications are also included for a well-rounded perspective.

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Astaxanthin production from the microalga Haematococcus lacustris with a dual substrate mixotrophy strategy

Cited by 3 publications

References 41 publications

Recent advances and fundamentals of microalgae cultivation technology

Recent advances and fundamentals of microalgae cultivation technology

Indigenous microalgae strains characterization for a sustainable biodiesel production

Astaxanthin: Past, Present, and Future

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