Techniques of lipid extraction from microalgae for biofuel production: a review

Lee, Sze Ying; Khoiroh, Ianatul; Vo, Dai‐Viet N.; Kumar, Pradeep; Show, Pau Loke

doi:10.1007/s10311-020-01088-5

Cited by 75 publications

(30 citation statements)

References 173 publications

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“…Sequential extraction of microalgal lipids can also be considered as a new strategy for the efficient extraction of lipids (Lee et al 2020 ). Such integration in unit operations can be used to achieve effective extraction of lipids with a minimum number of processing steps (Table 6 ).…”

Section: Production Of Lipids By Microalgaementioning

confidence: 99%

“…In this method, the solvents used for the extraction can penetrate the cell membrane and efficiently interact with the intracellular lipids, which helps in the easy extraction. Moreover, the use of a specific solvent, during cell disruption will help to prevent the degradation of targeted lipid and reduce the release of unwanted impurities in the crude extract which thereby simplifies the subsequent downstream process (Lee et al 2020 ). This single-step sequential extraction can also be used for the processing of wet biomass, which excludes the incorporation of the drying process and can reduce the cost in microalgal biorefinery.…”

Section: Production Of Lipids By Microalgaementioning

confidence: 99%

“…Lipid extraction from microalgae has been reported by the use of different physical and chemical processes like solvent extraction, ball mill, microwave, ultrasound, and results of each method varying with the microalgae species (Table 6) (Hidalgo et al 2016;Lee et al 2020). Sequential extraction of microalgal lipids can also be considered as a new strategy for the efficient extraction of lipids (Lee et al 2020). Such integration in unit operations can be used to achieve effective extraction of lipids with a minimum number of processing steps (Table 6).…”

Section: Extraction Of Lipidsmentioning

confidence: 99%

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Production of microalgae with high lipid content and their potential as sources of nutraceuticals

et al. 2022

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In the current global scenario, the world is under a serious dilemma due to the increasing human population, industrialization, and urbanization. The ever-increasing need for fuels and increasing nutritional problems have made a serious concern on the demand for nutrients and renewable and eco-friendly fuel sources. Currently, the use of fossil fuels is creating ecological and economic problems. Microalgae have been considered as a promising candidate for high-value metabolites and alternative renewable energy sources. Microalgae offer several advantages such as rapid growth rate, efficient land utilization, carbon dioxide sequestration, ability to cultivate in wastewater, and most importantly, they do not participate in the food crop versus energy crop dilemma or debate. An efficient microalgal biorefinery system for the production of lipids and subsequent byproduct for nutraceutical applications could well satisfy the need. But, the current microalgal cultivation systems for the production of lipids and nutraceuticals do not offer techno-economic feasibility together with energy and environmental sustainability. This review article has its main focus on the production of lipids and nutraceuticals from microalgae, covering the current strategies used for lipid production and the major high-value metabolites from microalgae and their nutraceutical importance. This review also provides insights on the future strategies for enhanced microalgal lipid production and subsequent utilization of microalgal biomass. Graphical abstract

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Section: Production Of Lipids By Microalgaementioning

confidence: 99%

Section: Production Of Lipids By Microalgaementioning

confidence: 99%

Section: Extraction Of Lipidsmentioning

confidence: 99%

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Production of microalgae with high lipid content and their potential as sources of nutraceuticals

et al. 2022

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“…Microalgae have been examined as a potential target to extract lipid for biofuel production due to their economical-friendliness and environmental-friendliness [39,40]. Furthermore, recent studies have been shown to enhance microalgae for further biofuel production [41][42][43]. Figure 2 shows the bioethanol production using bioengineered microalgae Synechocystis sp.…”

Section: Microalgae Cultivation In Pome and Benefits Of Treating Pome With Microalgaementioning

confidence: 99%

Microalgae Cultivation in Palm Oil Mill Effluent (POME) Treatment and Biofuel Production

et al. 2021

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Palm oil mill effluent (POME) is the wastewater produced during the palm oil sterilization process, which contains substantial amounts of nutrients and phosphorous that are harmful to the environment. High BOD and COD of POME are as high as 100,000 mg/L, which endanger the environment. Effective pre-treatment of POME is required before disposal. As microalgae have the ability of biosorption on nutrients and phosphorous to perform photosynthesis, they can be utilized as a sustainable POME treatment operation, which contributes to effective biofuel production. Microalgae species C. pyrenoidosa has shown to achieve 68% lipid production along with 71% nutrient reduction in POME. In this study, a brief discussion about the impacts of POME that will affect the environment is presented. Additionally, the potential of microalgae in treating POME is evaluated along with its benefits. Furthermore, the condition of microalgae growth in the POME is also assessed to study the suitable condition for microalgae to be cultivated in. Moreover, experimental studies on characteristics and performance of microalgae are being evaluated for their feasibility. One of the profitable applications of POME treatment using microalgae is biofuel production, which will be discussed in this review. However, with the advantages brought from cultivating microalgae in POME, there are also some concerns, as microalgae will cause pollution if they are not handled well, as discussed in the last section of this paper.

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“…Moreover, microalgae possess molecules that can act as biopesticides, thus protecting the plant against pathogens, mainly fungi or bacteria. Specifically, the production of antibiotics and siderophores from Chlorella and Scenedesmus and other marine or freshwater microalgae has been previously described (Mendiola et al 2007;Lee et al 2020;Alsenani et al 2020). However, although the use of ultrasound for the control of cyanobacterial and microalgal blooms has been widely studied, the application of sonicated extracts for phytostimulation and plant disease control is a novel topic for which only very recent references are available.…”

Section: Introductionmentioning

confidence: 99%

Application of sonicated extracts of cyanobacteria and microalgae for the mitigation of bacterial canker in tomato seedlings

et al. 2021

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Microalgae and cyanobacteria could play an important role in crop protection, since they produce bioactive substances that promote plant growth and/or trigger the plant resistance mechanisms. The present study focuses on the control of bacterial canker caused by Clavibacter michiganensis subsp. michiganensis on tomato plants by using sonicated extracts from cyanobacteria and microalgae of the genera Leptolyngbya, Nostoc, Chlorella, and Scenedesmus. For the development of this study, 8 strains were firstly tested for their capacity to inhibit the growth of C. michiganensis subsp. michiganensis in vitro, as well as to produce cytokinins and salicylic acid. In order to discard those more phytotoxic strains, the germination index was also estimated in watercress seeds. Scenedesmus-677 and Leptolyngbya-1267 strains were selected in this first phase based on their pesticide and phytostimulant capacity in vitro. Subsequent bioassays on tomato seedlings showed that root application of Scenedesmus-677 could be more aimed at controlling the disease caused by C. michiganensis subsp. michiganensis, while foliar and root application of Leptolyngbya-1267 seems to be more related to the strengthening of the plant through the salicylic acid route. These preliminary results could serve as the basis for a deeper characterization of the biopesticidal and biostimulant effect of both strains, as well as to reveal the benefits derived from the combination of both capacities.

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Techniques of lipid extraction from microalgae for biofuel production: a review

Cited by 75 publications

References 173 publications

Production of microalgae with high lipid content and their potential as sources of nutraceuticals

Production of microalgae with high lipid content and their potential as sources of nutraceuticals

Microalgae Cultivation in Palm Oil Mill Effluent (POME) Treatment and Biofuel Production

Application of sonicated extracts of cyanobacteria and microalgae for the mitigation of bacterial canker in tomato seedlings

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