Resource recovery from waste streams for production of microalgae biomass: A sustainable approach towards high-value biorefineries

Premaratne, Malith; Nishshanka, Gannoru Kankanamalage Sanuji Hasara; Anthonio, Randeniya Arachchige Don Praveen; Liyanaarachchi, Vinoj Chamilka; Thevarajah, Bavatharny; Nimarshana, P.H.V.; Malik, Anushree; Ariyadasa, Thilini U.

doi:10.1016/j.biteb.2022.101070

Cited by 22 publications

(6 citation statements)

References 91 publications

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“…Understanding market demand for microalgae-derived products is crucial for ensuring a stable and profitable market for cultivated biomass. Supportive policies and incentives from governments and institutions can encourage investments in sustainable microalgae production and help promote its commercial success [111].…”

Section: Environmental and Economic Considerations For Sustainable Pr...mentioning

confidence: 99%

Antioxidants from microalgae and their potential impact on human well-being

Pereira,

Cotas,

Valado

2024

Explor Drug Sci

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In recent times, there has been a revolutionary surge in antioxidant research, with a focus on harnessing microalgae to enhance wellness and extend human longevity. Microalgae, a diverse group of unicellular photosynthetic organisms, have emerged as promising sources of natural antioxidants due to their ability to synthesize various bioactive compounds, including carotenoids, polyphenols, and tocopherols. These antioxidants play a pivotal role in scavenging free radicals and reducing oxidative stress, known contributors to aging and chronic diseases. This review provides an over-view of recent advancements in understanding microalgae’s antioxidant potential, covering their biochemical composition, extraction techniques, and purification methods. Moreover, it delves into compelling in vitro and in vivo studies showcasing microalgae-derived antioxidants’ protective effects against oxidative damage, inflammation, cardiovascular diseases, and neurodegenerative disorders. The sustainable cultivation of microalgae in controlled environments further supports the potential for large-scale production and commercialization of their antioxidant compounds. As microalgae continue to revolutionize antioxidant research, they hold immense promise in developing novel preventive and therapeutic strategies to promote human health and wellbeing.

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Section: Environmental and Economic Considerations For Sustainable Pr...mentioning

confidence: 99%

Antioxidants from microalgae and their potential impact on human well-being

Pereira,

Cotas,

Valado

2024

Explor Drug Sci

View full text Add to dashboard Cite

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“…Ongoing research and technological advancements can lead to more cost-effective cultivation methods and higher-value product development. Exploring ways to utilize by-products and waste streams from microalgae cultivation can add value to the overall production process and reduce waste disposal costs [112]. Balancing environmental sustainability with economic viability is a critical aspect of sustainable microalgae production.…”

Section: Hybrid Systemsmentioning

confidence: 99%

A Green Revolution in Antioxidant Research: Harnessing Microalgae for Wellness and Longevity

Pereira,

Cotas,

Valado

2023

Preprint

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In recent times, there has been a revolutionary surge in antioxidant research, with a focus on harnessing microalgae to enhance wellness and extend human longevity. Microalgae, a diverse group of unicellular photosynthetic organisms, have emerged as promising sources of natural antioxidants due to their ability to synthesize various bioactive compounds, including carotenoids, polyphenols, and tocopherols. These antioxidants play a pivotal role in scavenging free radicals and reducing oxidative stress, known contributors to aging and chronic diseases. This review provides an overview of recent advancements in understanding microalgae's antioxidant potential, covering their biochemical composition, extraction techniques, and purification methods. Moreover, it delves into compelling in vitro and in vivo studies showcasing microalgae-derived antioxidants' protective effects against oxidative damage, inflammation, cardiovascular diseases, and neurodegenerative disorders. The sustainable cultivation of microalgae in controlled environments further supports the potential for large-scale production and commercialization of their antioxidant compounds. As microalgae continue to revolutionize antioxidant research, they hold immense promise in developing novel preventive and therapeutic strategies to promote human health and wellbeing.

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“…From this perspective, microalgae biotechnology-under a biorefinery model-emerges as a promising approach to achieving a cost-effective, bio-based circular economy that thrives well within the confines of the planet [5]. In a historical context, since the dawn of humanity, species such as Arthrospira platensis and Chlorella vulgaris have been used by society as a food bioresource-a priori, due to their high protein content.…”

Section: Introductionmentioning

confidence: 99%

The High-Value Product, Bio-Waste, and Eco-Friendly Energy as the Tripod of the Microalgae Biorefinery: Connecting the Dots

et al. 2023

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A bio-based circular economy is fundamental to catalyzing the transition to a new economic model that thrives well within the planet’s ecological limits. The microalgae biorefinery, which consists of converting biomass into multiple products, operates in light of the principles of a circular economy. Therefore, as the pivot of a new economic paradigm that aims to promote ecological robustness, the main scope and motivation of this article are to use life cycle assessment to scrutinize the environmental sustainability of a microalgae-based biorefinery system. We assume β-carotene as the flagship of the microalgae industry and evaluate the sustainability metrics and indicators of two residual products: bulk oil and defatted biomass. The role of the use of renewable energy in the unit operations of the biorefinery was also evaluated. The results of this study show that waste products contribute an almost insignificant fraction of the ecological footprint and the cost and energy demand of the microalgae-based biorefinery. It is also confirmed from the results that the transition from coal-based energy to renewable is the most realistic path to production with significantly lower emissions. In sum, the consolidation of the microalgae biorefinery seems to be just around the corner, and our highlights can help make this a successful route.

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Resource recovery from waste streams for production of microalgae biomass: A sustainable approach towards high-value biorefineries

Cited by 22 publications

References 91 publications

Antioxidants from microalgae and their potential impact on human well-being

Antioxidants from microalgae and their potential impact on human well-being

A Green Revolution in Antioxidant Research: Harnessing Microalgae for Wellness and Longevity

The High-Value Product, Bio-Waste, and Eco-Friendly Energy as the Tripod of the Microalgae Biorefinery: Connecting the Dots

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