Heterotrophic cultivation of Euglena gracilis on chemically pretreated media
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Brazilian Journal of Chemical Engineering |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322018000100019 |
Resumo: | Abstract In this research, the impact of chemical agents on the growth of Euglena gracilis and contaminants (S. cerevisiae and B. subtilis) in different cultivation media was studied. E. gracilis was cultivated on modified Hutner and complex medium in Erlenmeyer flasks and a stirred tank bioreactor. H2O2 and antimycin were used as suppressors of contaminant growth activities during algae cultivation. The use of antimycin as a chemical suppressor of contaminants is not recommendable because of its significant impact on the E. gracilis growth. At a H2O2 concentration of 5 mg L-1 contaminant growth activities were almost completely suppressed. In these conditions, E. gracilis is capable to grow, but a further increase of H2O2 concentration is related to significant reduction of algae growth. H2O2 as a suppressor of contaminants has great potential for industrial application, but its optimal concentration for a particular bioprocess has to be determined in order to obtain the maximal bioprocess efficiency. |
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Brazilian Journal of Chemical Engineering |
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Heterotrophic cultivation of Euglena gracilis on chemically pretreated mediaEuglena gracilisheterotrophic cultivationdifferent cultivation media;H2O2antimycinAbstract In this research, the impact of chemical agents on the growth of Euglena gracilis and contaminants (S. cerevisiae and B. subtilis) in different cultivation media was studied. E. gracilis was cultivated on modified Hutner and complex medium in Erlenmeyer flasks and a stirred tank bioreactor. H2O2 and antimycin were used as suppressors of contaminant growth activities during algae cultivation. The use of antimycin as a chemical suppressor of contaminants is not recommendable because of its significant impact on the E. gracilis growth. At a H2O2 concentration of 5 mg L-1 contaminant growth activities were almost completely suppressed. In these conditions, E. gracilis is capable to grow, but a further increase of H2O2 concentration is related to significant reduction of algae growth. H2O2 as a suppressor of contaminants has great potential for industrial application, but its optimal concentration for a particular bioprocess has to be determined in order to obtain the maximal bioprocess efficiency.Brazilian Society of Chemical Engineering2018-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322018000100019Brazilian Journal of Chemical Engineering v.35 n.1 2018reponame:Brazilian Journal of Chemical Engineeringinstname:Associação Brasileira de Engenharia Química (ABEQ)instacron:ABEQ10.1590/0104-6632.20180351s2016045info:eu-repo/semantics/openAccessPavlečić,MladenCrnić,DijanaJurković,EnaŠantek,Mirela IvančićRezić,TončiŠantek,Božidareng2018-04-19T00:00:00Zoai:scielo:S0104-66322018000100019Revistahttps://www.scielo.br/j/bjce/https://old.scielo.br/oai/scielo-oai.phprgiudici@usp.br||rgiudici@usp.br1678-43830104-6632opendoar:2018-04-19T00:00Brazilian Journal of Chemical Engineering - Associação Brasileira de Engenharia Química (ABEQ)false |
dc.title.none.fl_str_mv |
Heterotrophic cultivation of Euglena gracilis on chemically pretreated media |
title |
Heterotrophic cultivation of Euglena gracilis on chemically pretreated media |
spellingShingle |
Heterotrophic cultivation of Euglena gracilis on chemically pretreated media Pavlečić,Mladen Euglena gracilis heterotrophic cultivation different cultivation media;H2O2 antimycin |
title_short |
Heterotrophic cultivation of Euglena gracilis on chemically pretreated media |
title_full |
Heterotrophic cultivation of Euglena gracilis on chemically pretreated media |
title_fullStr |
Heterotrophic cultivation of Euglena gracilis on chemically pretreated media |
title_full_unstemmed |
Heterotrophic cultivation of Euglena gracilis on chemically pretreated media |
title_sort |
Heterotrophic cultivation of Euglena gracilis on chemically pretreated media |
author |
Pavlečić,Mladen |
author_facet |
Pavlečić,Mladen Crnić,Dijana Jurković,Ena Šantek,Mirela Ivančić Rezić,Tonči Šantek,Božidar |
author_role |
author |
author2 |
Crnić,Dijana Jurković,Ena Šantek,Mirela Ivančić Rezić,Tonči Šantek,Božidar |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Pavlečić,Mladen Crnić,Dijana Jurković,Ena Šantek,Mirela Ivančić Rezić,Tonči Šantek,Božidar |
dc.subject.por.fl_str_mv |
Euglena gracilis heterotrophic cultivation different cultivation media;H2O2 antimycin |
topic |
Euglena gracilis heterotrophic cultivation different cultivation media;H2O2 antimycin |
description |
Abstract In this research, the impact of chemical agents on the growth of Euglena gracilis and contaminants (S. cerevisiae and B. subtilis) in different cultivation media was studied. E. gracilis was cultivated on modified Hutner and complex medium in Erlenmeyer flasks and a stirred tank bioreactor. H2O2 and antimycin were used as suppressors of contaminant growth activities during algae cultivation. The use of antimycin as a chemical suppressor of contaminants is not recommendable because of its significant impact on the E. gracilis growth. At a H2O2 concentration of 5 mg L-1 contaminant growth activities were almost completely suppressed. In these conditions, E. gracilis is capable to grow, but a further increase of H2O2 concentration is related to significant reduction of algae growth. H2O2 as a suppressor of contaminants has great potential for industrial application, but its optimal concentration for a particular bioprocess has to be determined in order to obtain the maximal bioprocess efficiency. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322018000100019 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322018000100019 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/0104-6632.20180351s2016045 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Brazilian Society of Chemical Engineering |
publisher.none.fl_str_mv |
Brazilian Society of Chemical Engineering |
dc.source.none.fl_str_mv |
Brazilian Journal of Chemical Engineering v.35 n.1 2018 reponame:Brazilian Journal of Chemical Engineering instname:Associação Brasileira de Engenharia Química (ABEQ) instacron:ABEQ |
instname_str |
Associação Brasileira de Engenharia Química (ABEQ) |
instacron_str |
ABEQ |
institution |
ABEQ |
reponame_str |
Brazilian Journal of Chemical Engineering |
collection |
Brazilian Journal of Chemical Engineering |
repository.name.fl_str_mv |
Brazilian Journal of Chemical Engineering - Associação Brasileira de Engenharia Química (ABEQ) |
repository.mail.fl_str_mv |
rgiudici@usp.br||rgiudici@usp.br |
_version_ |
1754213175843094528 |