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Article: Kinetic models for phycocyanin production by high cell density mixotrophic culture of the microalga Spirulina platensis

TitleKinetic models for phycocyanin production by high cell density mixotrophic culture of the microalga Spirulina platensis
Authors
KeywordsKinetic model
Light irradiance
Mixotrophic culture
Phycocyanin production
Spirulina platensis
Issue Date1998
PublisherSpringer Verlag.
Citation
Journal Of Industrial Microbiology And Biotechnology, 1998, v. 21 n. 6, p. 283-288 How to Cite?
AbstractPhycocyanin production by high cell density cultivation of Spirulina platensis in batch and fed-batch modes in 3.7-L bioreactors with a programmed stepwise increase in light intensity program was investigated. The results showed that the cell density in fed-batch culture (10.2 g L-1) was 4.29-fold that in batch culture (2.38 g L-1), and the total phycocyanin production in the fed-batch culture (0.795 g L-1) was 3.05-fold that in the batch culture (0.261 g L-1). An unstructured kinetic model to describe the microalga culture system including cell growth, phycocyanin formation, as well as glucose consumption was proposed. The data fitted the models well (r2 > 0.99). Furthermore, based on the kinetic models, the potential effects of light limitation and photoinhibition on cell growth and phycocyanin formation can be examined in depth. The models demonstrated that the optimal light intensity for mixotrophic growth of Spirulina platensis in batch or fed-batch cultures using a 3.7-L bioreactor was 80 ~ 160 μE m-2 s-1, and the stepwise increase in light intensity can be replaced by a constant light intensity mode.
Persistent Identifierhttp://hdl.handle.net/10722/68456
ISSN
2015 Impact Factor: 2.745
2015 SCImago Journal Rankings: 0.966
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, XWen_HK
dc.contributor.authorZhang, YMen_HK
dc.contributor.authorChen, Fen_HK
dc.date.accessioned2010-09-06T06:04:46Z-
dc.date.available2010-09-06T06:04:46Z-
dc.date.issued1998en_HK
dc.identifier.citationJournal Of Industrial Microbiology And Biotechnology, 1998, v. 21 n. 6, p. 283-288en_HK
dc.identifier.issn1367-5435en_HK
dc.identifier.urihttp://hdl.handle.net/10722/68456-
dc.description.abstractPhycocyanin production by high cell density cultivation of Spirulina platensis in batch and fed-batch modes in 3.7-L bioreactors with a programmed stepwise increase in light intensity program was investigated. The results showed that the cell density in fed-batch culture (10.2 g L-1) was 4.29-fold that in batch culture (2.38 g L-1), and the total phycocyanin production in the fed-batch culture (0.795 g L-1) was 3.05-fold that in the batch culture (0.261 g L-1). An unstructured kinetic model to describe the microalga culture system including cell growth, phycocyanin formation, as well as glucose consumption was proposed. The data fitted the models well (r2 > 0.99). Furthermore, based on the kinetic models, the potential effects of light limitation and photoinhibition on cell growth and phycocyanin formation can be examined in depth. The models demonstrated that the optimal light intensity for mixotrophic growth of Spirulina platensis in batch or fed-batch cultures using a 3.7-L bioreactor was 80 ~ 160 μE m-2 s-1, and the stepwise increase in light intensity can be replaced by a constant light intensity mode.en_HK
dc.languageengen_HK
dc.publisherSpringer Verlag.en_HK
dc.relation.ispartofJournal of Industrial Microbiology and Biotechnologyen_HK
dc.subjectKinetic modelen_HK
dc.subjectLight irradianceen_HK
dc.subjectMixotrophic cultureen_HK
dc.subjectPhycocyanin productionen_HK
dc.subjectSpirulina platensisen_HK
dc.titleKinetic models for phycocyanin production by high cell density mixotrophic culture of the microalga Spirulina platensisen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1367-5435&volume=21&issue=6&spage=283&epage=388&date=1998&atitle=Kinetic+models+for+phycocyanin+production+by+high+cell+density+mixotrophic+culture+of+the+microalga+Spirulina+platensisen_HK
dc.identifier.emailChen, F: sfchen@hku.hken_HK
dc.identifier.authorityChen, F=rp00672en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0032458605en_HK
dc.identifier.hkuros45434en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032458605&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume21en_HK
dc.identifier.issue6en_HK
dc.identifier.spage283en_HK
dc.identifier.epage288en_HK
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridZhang, XW=16044335800en_HK
dc.identifier.scopusauthoridZhang, YM=23089593700en_HK
dc.identifier.scopusauthoridChen, F=7404907980en_HK

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