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Article: Differentiation in fatty acid profiles of pigmented and nonpigmented Aurantiochytrium isolated from Hong Kong mangroves

TitleDifferentiation in fatty acid profiles of pigmented and nonpigmented Aurantiochytrium isolated from Hong Kong mangroves
Authors
Issue Date2009
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/jafcau
Citation
Journal Of Agricultural And Food Chemistry, 2009, v. 57 n. 14, p. 6334-6341 How to Cite?
AbstractTwenty-five thraustochytrids that belong to the genus Aurantlochytrlum were isolated from subtropical mangroves in Hong Kong. Although they have similar morphological and physiological characteristics, they have different colors on a yeast extract-glucose agar plate, which were largely ignored before. On the basis of the differences in their colony color, 25 Aurantlochytrlum strains were further classified into pigmented and nonpigmented subgroups and their fatty acid profiles were analyzed and compared. In general, nonpigmented Aurantlochytrlum strains were found to contain biomass concentrations and growth yield coefficients statistically higher than pigmented Aurantlochytrlum strains (p< 0.01). Among all isolates, a significantly higher content of polyunsaturated fatty acid (PUFA, 123.41-179.64 mg/g) was found in the nonpigmented Aurantlochytrlum (p<0.01), whereas the pigmented strains contained a higher amount of saturated fatty acids. Docosahexaenoic acid (DHA) was identified as the most abundant PUFA in both nonpigmented and pigmented Aurantlochytrlum. According to the result of principal component analysis, the contents and composition of saturated fatty acids and PUFAs are the major varieties to distinguish these two Aurantlochytrlum groups, especially the contents of C15:0, C13:0, C16:0, C17:0, and DHA. With a rapid growth rate and high DHA yield, the strain from the nonpigmented Aurantlochytrlum group was regarded as the ideal candidate for PUFA production. © 2009 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/179145
ISSN
2015 Impact Factor: 2.857
2015 SCImago Journal Rankings: 1.246
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorKingWai, Fen_US
dc.contributor.authorJiang, Yen_US
dc.contributor.authorLokTang, HOen_US
dc.contributor.authorChen, Fen_US
dc.date.accessioned2012-12-19T09:52:20Z-
dc.date.available2012-12-19T09:52:20Z-
dc.date.issued2009en_US
dc.identifier.citationJournal Of Agricultural And Food Chemistry, 2009, v. 57 n. 14, p. 6334-6341en_US
dc.identifier.issn0021-8561en_US
dc.identifier.urihttp://hdl.handle.net/10722/179145-
dc.description.abstractTwenty-five thraustochytrids that belong to the genus Aurantlochytrlum were isolated from subtropical mangroves in Hong Kong. Although they have similar morphological and physiological characteristics, they have different colors on a yeast extract-glucose agar plate, which were largely ignored before. On the basis of the differences in their colony color, 25 Aurantlochytrlum strains were further classified into pigmented and nonpigmented subgroups and their fatty acid profiles were analyzed and compared. In general, nonpigmented Aurantlochytrlum strains were found to contain biomass concentrations and growth yield coefficients statistically higher than pigmented Aurantlochytrlum strains (p< 0.01). Among all isolates, a significantly higher content of polyunsaturated fatty acid (PUFA, 123.41-179.64 mg/g) was found in the nonpigmented Aurantlochytrlum (p<0.01), whereas the pigmented strains contained a higher amount of saturated fatty acids. Docosahexaenoic acid (DHA) was identified as the most abundant PUFA in both nonpigmented and pigmented Aurantlochytrlum. According to the result of principal component analysis, the contents and composition of saturated fatty acids and PUFAs are the major varieties to distinguish these two Aurantlochytrlum groups, especially the contents of C15:0, C13:0, C16:0, C17:0, and DHA. With a rapid growth rate and high DHA yield, the strain from the nonpigmented Aurantlochytrlum group was regarded as the ideal candidate for PUFA production. © 2009 American Chemical Society.en_US
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/jafcauen_US
dc.relation.ispartofJournal of Agricultural and Food Chemistryen_US
dc.subject.meshEukaryotic Cells - Chemistryen_US
dc.subject.meshFatty Acids - Analysisen_US
dc.subject.meshHong Kongen_US
dc.subject.meshPigments, Biological - Analysisen_US
dc.titleDifferentiation in fatty acid profiles of pigmented and nonpigmented Aurantiochytrium isolated from Hong Kong mangrovesen_US
dc.typeArticleen_US
dc.identifier.emailChen, F: sfchen@hku.hken_US
dc.identifier.authorityChen, F=rp00672en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1021/jf901117zen_US
dc.identifier.pmid19534536-
dc.identifier.scopuseid_2-s2.0-67650899291en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-67650899291&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume57en_US
dc.identifier.issue14en_US
dc.identifier.spage6334en_US
dc.identifier.epage6341en_US
dc.identifier.isiWOS:000268138100048-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridKingWai, F=37047347700en_US
dc.identifier.scopusauthoridJiang, Y=24605346600en_US
dc.identifier.scopusauthoridLokTang, HO=37047391300en_US
dc.identifier.scopusauthoridChen, F=7404907980en_US

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