Effect of different illumination patterns on the growth and biomolecular synthesis of isolated Chlorella Thermophila in a 50 L pilot-scale photobioreactor.
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| Title: | Effect of different illumination patterns on the growth and biomolecular synthesis of isolated Chlorella Thermophila in a 50 L pilot-scale photobioreactor. |
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| Authors: | Sarkar, Sambit1 (AUTHOR), Manna, Mriganka Sekhar1 (AUTHOR), Bhowmick, Tridib Kumar2 (AUTHOR), Gayen, Kalyan1 (AUTHOR) kalyan.chemical@nita.ac.in |
| Source: | Process Biochemistry. Oct2021, Vol. 109, p87-97. 11p. |
| Subjects: | Chlorella, Protein synthesis, Biomolecules, Lighting, Carbohydrates |
| Abstract: | [Display omitted] • Light/dark ratio plays a vital role in growth and biomolecule synthesis. • Continuous lighting wasn't preferred for the growth of Chlorella Thermophila. • Sinusoidal lighting with light/dark ratio showed higher protein synthesis. • Continuos lighting enhanced carotenoids and carbohydrate accumulation. • Economic analysis showed a potential profit of 43 %. Optimum light exposure for the cultivation of microalgae to obtain high biomass density varies between different species. In the current work, isolated microalgae strain Chlorella thermophila was used to investigate the growth and biomolecular content under exposure of various light regimes in a pilot-scale flat plate photobioreactor (50 L). Here, three different lighting patterns namely fixed (4500 lx intensity with 14:10 light/dark ratio), variable (0−4500 lux variable intensity with 14:10 light/dark ratio) and continuous mode (4500 lx intensity with 24:0 light/dark ratio) were studied for the evaluation of the importance of light/dark period and sinusoidal illumination. Results demonstrated that the light/dark period had a significant influence on the growth and synthesis of biomolecules. The biomass concentration at fixed mode was found to be 5.6 and 1.9 fold higher compared to continuous mode and variable mode, respectively. Chlorophyll content was found to be the highest (4.8 %, w/w) in fixed mode while protein content was highest (68 %, w/w) in variable mode. The highest content of carotenoids (0.69 %, w/w) and carbohydrates (38 %, w/w) were noticed in continuous lighting mode. The highest average productivity of 16.4, 10.5, 4.03, 0.76, 0.6 (mg/L.day) were achieved for biomass, proteins, carbohydrate, chlorophylls and carotenoids, respectively in fixed mode. [ABSTRACT FROM AUTHOR] |
| Copyright of Process Biochemistry is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 152042430 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Effect of different illumination patterns on the growth and biomolecular synthesis of isolated Chlorella Thermophila in a 50 L pilot-scale photobioreactor. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Sarkar%2C+Sambit%22">Sarkar, Sambit</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Manna%2C+Mriganka+Sekhar%22">Manna, Mriganka Sekhar</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bhowmick%2C+Tridib+Kumar%22">Bhowmick, Tridib Kumar</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gayen%2C+Kalyan%22">Gayen, Kalyan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kalyan.chemical@nita.ac.in</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Process+Biochemistry%22">Process Biochemistry</searchLink>. Oct2021, Vol. 109, p87-97. 11p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Chlorella%22">Chlorella</searchLink><br /><searchLink fieldCode="DE" term="%22Protein+synthesis%22">Protein synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Biomolecules%22">Biomolecules</searchLink><br /><searchLink fieldCode="DE" term="%22Lighting%22">Lighting</searchLink><br /><searchLink fieldCode="DE" term="%22Carbohydrates%22">Carbohydrates</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: [Display omitted] • Light/dark ratio plays a vital role in growth and biomolecule synthesis. • Continuous lighting wasn't preferred for the growth of Chlorella Thermophila. • Sinusoidal lighting with light/dark ratio showed higher protein synthesis. • Continuos lighting enhanced carotenoids and carbohydrate accumulation. • Economic analysis showed a potential profit of 43 %. Optimum light exposure for the cultivation of microalgae to obtain high biomass density varies between different species. In the current work, isolated microalgae strain Chlorella thermophila was used to investigate the growth and biomolecular content under exposure of various light regimes in a pilot-scale flat plate photobioreactor (50 L). Here, three different lighting patterns namely fixed (4500 lx intensity with 14:10 light/dark ratio), variable (0−4500 lux variable intensity with 14:10 light/dark ratio) and continuous mode (4500 lx intensity with 24:0 light/dark ratio) were studied for the evaluation of the importance of light/dark period and sinusoidal illumination. Results demonstrated that the light/dark period had a significant influence on the growth and synthesis of biomolecules. The biomass concentration at fixed mode was found to be 5.6 and 1.9 fold higher compared to continuous mode and variable mode, respectively. Chlorophyll content was found to be the highest (4.8 %, w/w) in fixed mode while protein content was highest (68 %, w/w) in variable mode. The highest content of carotenoids (0.69 %, w/w) and carbohydrates (38 %, w/w) were noticed in continuous lighting mode. The highest average productivity of 16.4, 10.5, 4.03, 0.76, 0.6 (mg/L.day) were achieved for biomass, proteins, carbohydrate, chlorophylls and carotenoids, respectively in fixed mode. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Process Biochemistry is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/j.procbio.2021.07.007 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 11 StartPage: 87 Subjects: – SubjectFull: Chlorella Type: general – SubjectFull: Protein synthesis Type: general – SubjectFull: Biomolecules Type: general – SubjectFull: Lighting Type: general – SubjectFull: Carbohydrates Type: general Titles: – TitleFull: Effect of different illumination patterns on the growth and biomolecular synthesis of isolated Chlorella Thermophila in a 50 L pilot-scale photobioreactor. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Sarkar, Sambit – PersonEntity: Name: NameFull: Manna, Mriganka Sekhar – PersonEntity: Name: NameFull: Bhowmick, Tridib Kumar – PersonEntity: Name: NameFull: Gayen, Kalyan IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 10 Text: Oct2021 Type: published Y: 2021 Identifiers: – Type: issn-print Value: 13595113 Numbering: – Type: volume Value: 109 Titles: – TitleFull: Process Biochemistry Type: main |
| ResultId | 1 |
