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Article: Comparison of rheological properties of powder Chlorella sp. cultivated in fermentor and pond

TitleComparison of rheological properties of powder Chlorella sp. cultivated in fermentor and pond
Authors
KeywordsChlorella Sp.
Compressibility Test
Loose Bulk Density
Powder Rheology
Issue Date2002
PublisherHan'gug Mi'saengmul Saengmyeong Gong Haghoe. The Journal's web site is located at http://www.jmb.or.kr/
Citation
Journal Of Microbiology And Biotechnology, 2002, v. 12 n. 5, p. 740-745 How to Cite?
AbstractThe current study was conducted to identify the differences in the rheological properties of Chlorella sp. powder cultured in a fermentor and in a pond-like environment. Cells cultured in the same media were harvested and spray dried. The biomass yield from the fermentor culture was 4.7% (dry basis), while that from the pond was 4.3% (dry basis). Measurements of the loose bulk density, tapping test, Hausner's ratio, and compressibility test all revealed differences between the rheological properties of the Chlorella sp. from the two cultivation systems. Although both the fermentor and pond cultured Chlorella sp. showed the same angle of repose, the mean size of the cells was 2.26 μm and 2.89 μm, respectively. The weight of the Chlorella sp. tablets cultured in the fermentor and pond was 0.663 g/tablet and 0.593 g/tablet, respectively, while the friability of the tablets was 21% and 41%, respectively. Observation by Transmission Electron Microscope (TEM) showed that the cell wall of the Chlorella sp. cultured in the fermentor was thinner and more spherical than that cultured in the pond, thereby providing the main characteristic rheological properties of the powder.
Persistent Identifierhttp://hdl.handle.net/10722/178777
ISSN
2015 Impact Factor: 1.685
2015 SCImago Journal Rankings: 0.548
References

 

DC FieldValueLanguage
dc.contributor.authorKang, Ken_US
dc.contributor.authorLee, CYJen_US
dc.contributor.authorLee, CHen_US
dc.date.accessioned2012-12-19T09:49:42Z-
dc.date.available2012-12-19T09:49:42Z-
dc.date.issued2002en_US
dc.identifier.citationJournal Of Microbiology And Biotechnology, 2002, v. 12 n. 5, p. 740-745en_US
dc.identifier.issn1017-7825en_US
dc.identifier.urihttp://hdl.handle.net/10722/178777-
dc.description.abstractThe current study was conducted to identify the differences in the rheological properties of Chlorella sp. powder cultured in a fermentor and in a pond-like environment. Cells cultured in the same media were harvested and spray dried. The biomass yield from the fermentor culture was 4.7% (dry basis), while that from the pond was 4.3% (dry basis). Measurements of the loose bulk density, tapping test, Hausner's ratio, and compressibility test all revealed differences between the rheological properties of the Chlorella sp. from the two cultivation systems. Although both the fermentor and pond cultured Chlorella sp. showed the same angle of repose, the mean size of the cells was 2.26 μm and 2.89 μm, respectively. The weight of the Chlorella sp. tablets cultured in the fermentor and pond was 0.663 g/tablet and 0.593 g/tablet, respectively, while the friability of the tablets was 21% and 41%, respectively. Observation by Transmission Electron Microscope (TEM) showed that the cell wall of the Chlorella sp. cultured in the fermentor was thinner and more spherical than that cultured in the pond, thereby providing the main characteristic rheological properties of the powder.en_US
dc.languageengen_US
dc.publisherHan'gug Mi'saengmul Saengmyeong Gong Haghoe. The Journal's web site is located at http://www.jmb.or.kr/en_US
dc.relation.ispartofJournal of Microbiology and Biotechnologyen_US
dc.subjectChlorella Sp.en_US
dc.subjectCompressibility Testen_US
dc.subjectLoose Bulk Densityen_US
dc.subjectPowder Rheologyen_US
dc.titleComparison of rheological properties of powder Chlorella sp. cultivated in fermentor and ponden_US
dc.typeArticleen_US
dc.identifier.emailLee, CYJ: jettylee@hku.hken_US
dc.identifier.authorityLee, CYJ=rp01511en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0036826478en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036826478&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume12en_US
dc.identifier.issue5en_US
dc.identifier.spage740en_US
dc.identifier.epage745en_US
dc.publisher.placeKorea, Republic ofen_US
dc.identifier.scopusauthoridKang, K=8060678600en_US
dc.identifier.scopusauthoridLee, CYJ=13104265200en_US
dc.identifier.scopusauthoridLee, CH=7410151030en_US

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