Screening of best growth media for
            <i>Chlorella vulgaris</i>
            cultivation and biodiesel production

Yadav, Deepak Kumar; Yadav, Mange Ram; Rani, Pushpa; Yadav, Akhilesh; Bhardwaj, Nishi Kant; Bishnoi, Narsi R.; Singh, Anita

doi:10.1080/17597269.2023.2235787

Cited by 3 publications

(1 citation statement)

References 24 publications

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“…Such comparisons do not represent the medium's real potential for microalgae growth. Based on Yadav et al [63], a comparison between four media (BG11, modified BG11, BBM, and M-8) showed that, after 12 days of cultivation of Chlorella vulgaris, phosphorus (P) and nitrogen (N) remained in excess. Laboratory culture media are frequently unbalanced regarding the N:P proportion [64].…”

Section: Nutritional Requirements and Media Compositionmentioning

confidence: 99%

Lutein from Microalgae: An Industrial Perspective of Its Production, Downstream Processing, and Market

Iwamoto,

Soccol,

Molina-Aulestia

et al. 2024

Fermentation

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Lutein, a yellow xanthophyll carotenoid, is increasingly recognized for its nutraceutical benefits, particularly in protecting the retina’s macula from age-related degeneration. Microalgae are a promising source of lutein, which can be a primary product or a coproduct in biorefineries. Certain microalgae exhibit lutein levels (up to 1.7%) surpassing those of common dietary sources like kale, spinach, and egg yolk (approximately 0.7–0.9%). Predominantly associated with photosystem II’s light-harvesting complex, lutein is crucial in photosynthesis and cellular defense. However, being quantitatively minor among cellular constituents, lutein necessitates specialized processing for efficient extraction. Although ubiquitous in microalgae, it is not as easily inducible as β-carotene and astaxanthin in Dunaliella salina and Haematococcus pluvialis, respectively. Currently, microalgal lutein production predominantly occurs at the bench scale, presenting challenges in scaling up. Factors like culture medium significantly influence biomass and lutein yields in industrial production, while downstream processing requires cost-effective, food-grade solvent extraction techniques. This review delves into contemporary methods and innovative progress in microalgal lutein production, emphasizing industrial-scale processes from biomass cultivation to final product formulation. A conceptual industrial process proposed in this review shows that two 10 m3 photobioreactors could produce 108 kg dry mass for Chlorella minutissima, which can be processed into approximately 616 g of lutein extract, or over 6000 capsules of finished nutraceutical daily. Despite lutein production via microalgae being in nascent stages at large scales, existing research provides a solid foundation for well-informed scale-up endeavors.

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Section: Nutritional Requirements and Media Compositionmentioning

confidence: 99%

Lutein from Microalgae: An Industrial Perspective of Its Production, Downstream Processing, and Market

Iwamoto,

Soccol,

Molina-Aulestia

et al. 2024

Fermentation

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Optimization of Cultivation Conditions of Native Microalga Scenedesmus quadricauda and Evaluation of Lipids for Enhanced Biodiesel Production

Kirrolia,

Bishnoi

2024

Indian J Microbiol

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Influence of growth medium on the species‐specific interactions between algae and bacteria

Jonynaite,

Stirke,

Gerken

et al. 2024

Environ Microbiol Rep

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In this study, we investigated a species‐specific algal–bacterial co‐culture that has recently attracted worldwide scientific attention as a novel approach to enhancing algal growth rate. We report that the type of interaction between Chlorella vulgaris and bacteria of the genus Delftia is not solely determined by species specificity. Rather, it is a dynamic process of adaptation to the surrounding conditions, where one or the other microorganism dominates (temporally) depending on the growth conditions, in particular the medium. Under laboratory conditions, we found that Delftia sp. had a negative effect on C. vulgaris growth when co‐cultured in a TAP medium. However, the co‐culture of algae and bacteria under BG‐11 and BG‐11 + acetic acid resulted in an increase in algal concentration compared to algal cultures without bacteria under the same conditions. Additional chemical analysis revealed that the presence of different carbon (the main organic carbon source—acetic acid in TAP or BG‐11 + acetic acid medium and inorganic carbon source—Na2CO3 in BG‐11 or BG‐11 + acetic acid medium) and nitrogen (NH4Cl in TAP medium and NaNO3 in BG‐11 or BG‐11 + acetic acid medium) species in the growth medium was one of the main factors driving the shift in interaction type.

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Screening of best growth media for Chlorella vulgaris cultivation and biodiesel production

Cited by 3 publications

References 24 publications

Lutein from Microalgae: An Industrial Perspective of Its Production, Downstream Processing, and Market

Lutein from Microalgae: An Industrial Perspective of Its Production, Downstream Processing, and Market

Optimization of Cultivation Conditions of Native Microalga Scenedesmus quadricauda and Evaluation of Lipids for Enhanced Biodiesel Production

Influence of growth medium on the species‐specific interactions between algae and bacteria

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