Multilateral approach on enhancing economic viability of lipid production from microalgae: A review

Shin, Ye Sol; Choi, Hong Il; Choi, Jin Won; Lee, Jeong Seop; Sung, Young Joon; Sim, Sang Jun

doi:10.1016/j.biortech.2018.03.002

Cited by 102 publications

(41 citation statements)

References 122 publications

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“…Lipids are not only the energy sources in microalgae cells but also a promising raw material for biodiesel production [37]. When energy input (photosynthesis rate) exceeds energy output (cell growth and division), microalgae synthesize lipids [38].…”

Section: Microalgal Lipid Classification and Accumulation Strategiesmentioning

confidence: 99%

“…Algae biodiesel production using transesterification [54] The efficiency of lipid production is related to overall lipid composition (i.e. percentage of dry cell weight [DCW] and biomass yield [daily dry mass growth L -1 ]), which are the two crucial parameters to be considered for optimizing overall microalgae lipid yield [37]. Without these, reporting lipid content, the basic indicator both in terms of yield in unit volume and time, would be misleading.…”

Section: Microalgal Lipid Classification and Accumulation Strategiesmentioning

confidence: 99%

“…The success of mass cultivation of microalgae, especially considering a low-value product, such as biodiesel, depends on selecting the correct species [55]. Even though there are many ways suggested in the literature by which to improve lipid production in microalgae, if the appropriate species is not used, several limitations can arise [37]. Nannochloropsis sp., Chlorella sp., Chlamydomonas sp., Scenedesmus sp., Dunaliella sp., Isochrysis sp., and Botryococcus braunii are multifunctional microalgae that accumulate lipids between 10 and 75% of their dry weights [21].…”

Section: General Properties Of Scenedesmus Spmentioning

confidence: 99%

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The impact of nitrogen starvation on the dynamics of lipid and biomass production in Scenedesmus sp.

Okçu

2019

Environmental Research and Technology

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Section: Microalgal Lipid Classification and Accumulation Strategiesmentioning

confidence: 99%

Section: Microalgal Lipid Classification and Accumulation Strategiesmentioning

confidence: 99%

Section: General Properties Of Scenedesmus Spmentioning

confidence: 99%

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The impact of nitrogen starvation on the dynamics of lipid and biomass production in Scenedesmus sp.

Okçu

2019

Environmental Research and Technology

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“…polyphem exhibited a hyper-accumulation of lipid (72.01% of dry weight) when supplied with 1 mM initial nitrogen [6]. When nitrogen is deficient, microalgal cells remobilize the carbon stream to enrich more lipids and starch [23]. Unfortunately, lipid hyper-accumulation by nitrogen deficiency is at the cost of microalgae growth, so the strategy failed to maximize the overall lipid productivity [24].…”

Section: Introductionmentioning

confidence: 99%

Heuristic Optimization of Culture Conditions for Stimulating Hyper-Accumulation of Biomass and Lipid in Golenkinia SDEC-16

et al. 2020

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Overproduction of biomass and hyper-accumulation of lipids endow microalgae with promising characteristics to realize the cost-effective potential of advanced bioenergy. This study sought to heuristically optimize the culture conditions on a rarely reported Golenkinia sp. The results indicate that Golenkinia SDEC-16 can withstand the strong light intensity and grow in a modified BG11 medium. The optimal culture conditions for the favorable tradeoff between biomass and lipid accumulation were suggested as follows, 25,000 lux of light intensity, 9 mM of initial nitrogen concentration, and 20 mM of initial sodium chloride concentration. Under these conditions, the biomass concentration and productivity reached 6.65 g/L and 545 mg/L/d, and the synchronous lipid content and productivity reached 54.38% and 296.39 mg/L/d. Hypersalinity significantly promoted lipid contents at the cost of biomass and resulted in an increase of cell size but loss of spines of Golenkinia SDEC-16. The results shed new light on optimizing biomass and lipid productivity.

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“…Generally, the culture media used for the production of algae (either at the laboratory or at the industrial scale) are designed with the sole aim of improving the production of specific metabolites. So to achieve a high accumulation of lipids, it is necessary to modify (increase or decrease) the concentration of one or several nutrients (Fazeli Danesh et al, 2018;Shin et al, 2018). Moreover, the biological diversity of microalgae leads to a wide variation between species and 274 strains in the yield of lipids (Andersen et al, 2005); therefore, it is necessary to know certain aspects of each group of microalgae such as their biology, nutritional requirements, and growth conditions (Mandall and Mallick, 2009;Milano et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Towards the production of microalgae biofuels: the effect of the culture medium on lipid deposition

García¹,

Rangel-Basto²,

Barajas-Solano³

et al. 2019

bta

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Microalgae have been studied in recent years for various reasons, one among them being their potential in the production of biofuels. Biofuels are considered as a renewable source that does not compete with the food industry, and their production results in a reduced environmental footprint. The objective of the present study was to evaluate the different culture conditions that influence the productivity of the microalgae Chlorella vulgaris and Scenedesmus obliquus as a potential source for the production of biodiesel. Bold, Bristol, and modified Algal Assay Procedure (AAP) culture media were evaluated to determine which of them can provide the best conditions that favor biomass production and lipid deposition. The results indicated that S. obliquus cultivated in Bold medium exhibited a higher production of biomass after 30 days (1.730 g/l), while C. vulgaris showed a higher production in the modified AAP medium (1.880 g/l). Although the cultures grown in the AAP medium showed a more significant percentage of biomass comprising lipids than those in the other two media, between the two microalgae, the highest final lipid production was obtained by growing S. obliquus in Bold medium (0.685 g/l, 39.60% of biomass). N, P, Fe, and Mo were the elements added to the growth media, and depending on their concentration in the media, there were differences in the production of lipids. Thus, it can be concluded that S. obliquus cultivated in Bold medium has the highest potential in the production of lipids for biodiesel, but it is necessary to further optimize the cultivation of biomass to obtain a greater quantity of lipids, while interfering as little as possible in its synthesis capacity.

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Multilateral approach on enhancing economic viability of lipid production from microalgae: A review

Cited by 102 publications

References 122 publications

The impact of nitrogen starvation on the dynamics of lipid and biomass production in Scenedesmus sp.

The impact of nitrogen starvation on the dynamics of lipid and biomass production in Scenedesmus sp.

Heuristic Optimization of Culture Conditions for Stimulating Hyper-Accumulation of Biomass and Lipid in Golenkinia SDEC-16

Towards the production of microalgae biofuels: the effect of the culture medium on lipid deposition

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