Optimal conditions for scp production by mixed cultures of a. Niger and cr. laurentii grown in sugar cane vinasse medium
Autor(a) principal: | |
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Data de Publicação: | 1994 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.112/J.1517-8382 http://hdl.handle.net/11449/228862 |
Resumo: | Mixed cultures of Aspergillus niger and Cryptococcus laurenti grown in sugar cane vinasse medium under continuous agitation were studied in order to establish optimal conditions (carbon:nitrogen:phosphorus ratios; carbohydrate concentration; initial pH; incubation temperature; incubation period) for biomass production and biological depuration of vinasse, a waste product from the ethanol industry. Pure (singlespecies) cultures of each microorganism were also analysed. Addition of nitrogen and phosphorus to vinasse medium altered significantly biomass production, carbohydrate consumption and BOD reduction. Protein content of biomass was greatly increased and BOD reduction diminished at carbohydrate concentrations higher than 3 gl'1. Both initial pH and incubation temperature had little influence on BOD reduction (most levels at around 50%). Vinasse pH was always around 7.0 after 48h of incubation.*Mixed cultures of A. niger and Cr. laurentii in sugar cane vinasse medium modified for optimal growth (20: 3.0: 0.1 C:N:P ratio; 8 gl4 carbohydrate content; pH 4.6; 30°C) reached maximal biomass concentrations after 24 hours of incubation; best results for BOD reduction (around 80%) and protein yields (40%) were recorded after 72 h of culture. Compared to pure cultures, the optimized mixed cultures of A. niger and Cr. laurentii produced lower concentrations of biomass. |
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Optimal conditions for scp production by mixed cultures of a. Niger and cr. laurentii grown in sugar cane vinasse mediumOtimização das condições para produção de SCP a partir do coltivo mixto de A. niger e Cr. laurentii em meio de vinhaçaFungiSCPVinasseMixed cultures of Aspergillus niger and Cryptococcus laurenti grown in sugar cane vinasse medium under continuous agitation were studied in order to establish optimal conditions (carbon:nitrogen:phosphorus ratios; carbohydrate concentration; initial pH; incubation temperature; incubation period) for biomass production and biological depuration of vinasse, a waste product from the ethanol industry. Pure (singlespecies) cultures of each microorganism were also analysed. Addition of nitrogen and phosphorus to vinasse medium altered significantly biomass production, carbohydrate consumption and BOD reduction. Protein content of biomass was greatly increased and BOD reduction diminished at carbohydrate concentrations higher than 3 gl'1. Both initial pH and incubation temperature had little influence on BOD reduction (most levels at around 50%). Vinasse pH was always around 7.0 after 48h of incubation.*Mixed cultures of A. niger and Cr. laurentii in sugar cane vinasse medium modified for optimal growth (20: 3.0: 0.1 C:N:P ratio; 8 gl4 carbohydrate content; pH 4.6; 30°C) reached maximal biomass concentrations after 24 hours of incubation; best results for BOD reduction (around 80%) and protein yields (40%) were recorded after 72 h of culture. Compared to pure cultures, the optimized mixed cultures of A. niger and Cr. laurentii produced lower concentrations of biomass.Departmento de technologia Agroindustrial e Socio-Economia Rural Centro de Ciencias Agrarias Universidade Federal de Sao Carlos-Campus de ArarasCentro de Estudos Ambientais (CEA) Departmento de Ecologia Institute de Biociencias UNESP-Campus de Rio ClaroCentro de Estudos Ambientais (CEA) Departmento de Ecologia Institute de Biociencias UNESP-Campus de Rio ClaroUniversidade Federal de São Carlos (UFSCar)Universidade Estadual Paulista (UNESP)Ceccato-Antonini, Sandra ReginaTauk-Tornisielo, Samia Maria [UNESP]2022-04-29T08:29:03Z2022-04-29T08:29:03Z1994-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article129-135http://dx.doi.org/10.112/J.1517-8382Brazilian Journal of Microbiology, v. 25, n. 2, p. 129-135, 1994.1678-44051517-8382http://hdl.handle.net/11449/22886210.112/J.1517-83822-s2.0-85092738446Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengBrazilian Journal of Microbiologyinfo:eu-repo/semantics/openAccess2024-04-10T19:22:25Zoai:repositorio.unesp.br:11449/228862Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T17:44:24.644087Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Optimal conditions for scp production by mixed cultures of a. Niger and cr. laurentii grown in sugar cane vinasse medium Otimização das condições para produção de SCP a partir do coltivo mixto de A. niger e Cr. laurentii em meio de vinhaça |
title |
Optimal conditions for scp production by mixed cultures of a. Niger and cr. laurentii grown in sugar cane vinasse medium |
spellingShingle |
Optimal conditions for scp production by mixed cultures of a. Niger and cr. laurentii grown in sugar cane vinasse medium Ceccato-Antonini, Sandra Regina Fungi SCP Vinasse |
title_short |
Optimal conditions for scp production by mixed cultures of a. Niger and cr. laurentii grown in sugar cane vinasse medium |
title_full |
Optimal conditions for scp production by mixed cultures of a. Niger and cr. laurentii grown in sugar cane vinasse medium |
title_fullStr |
Optimal conditions for scp production by mixed cultures of a. Niger and cr. laurentii grown in sugar cane vinasse medium |
title_full_unstemmed |
Optimal conditions for scp production by mixed cultures of a. Niger and cr. laurentii grown in sugar cane vinasse medium |
title_sort |
Optimal conditions for scp production by mixed cultures of a. Niger and cr. laurentii grown in sugar cane vinasse medium |
author |
Ceccato-Antonini, Sandra Regina |
author_facet |
Ceccato-Antonini, Sandra Regina Tauk-Tornisielo, Samia Maria [UNESP] |
author_role |
author |
author2 |
Tauk-Tornisielo, Samia Maria [UNESP] |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade Federal de São Carlos (UFSCar) Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Ceccato-Antonini, Sandra Regina Tauk-Tornisielo, Samia Maria [UNESP] |
dc.subject.por.fl_str_mv |
Fungi SCP Vinasse |
topic |
Fungi SCP Vinasse |
description |
Mixed cultures of Aspergillus niger and Cryptococcus laurenti grown in sugar cane vinasse medium under continuous agitation were studied in order to establish optimal conditions (carbon:nitrogen:phosphorus ratios; carbohydrate concentration; initial pH; incubation temperature; incubation period) for biomass production and biological depuration of vinasse, a waste product from the ethanol industry. Pure (singlespecies) cultures of each microorganism were also analysed. Addition of nitrogen and phosphorus to vinasse medium altered significantly biomass production, carbohydrate consumption and BOD reduction. Protein content of biomass was greatly increased and BOD reduction diminished at carbohydrate concentrations higher than 3 gl'1. Both initial pH and incubation temperature had little influence on BOD reduction (most levels at around 50%). Vinasse pH was always around 7.0 after 48h of incubation.*Mixed cultures of A. niger and Cr. laurentii in sugar cane vinasse medium modified for optimal growth (20: 3.0: 0.1 C:N:P ratio; 8 gl4 carbohydrate content; pH 4.6; 30°C) reached maximal biomass concentrations after 24 hours of incubation; best results for BOD reduction (around 80%) and protein yields (40%) were recorded after 72 h of culture. Compared to pure cultures, the optimized mixed cultures of A. niger and Cr. laurentii produced lower concentrations of biomass. |
publishDate |
1994 |
dc.date.none.fl_str_mv |
1994-01-01 2022-04-29T08:29:03Z 2022-04-29T08:29:03Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.112/J.1517-8382 Brazilian Journal of Microbiology, v. 25, n. 2, p. 129-135, 1994. 1678-4405 1517-8382 http://hdl.handle.net/11449/228862 10.112/J.1517-8382 2-s2.0-85092738446 |
url |
http://dx.doi.org/10.112/J.1517-8382 http://hdl.handle.net/11449/228862 |
identifier_str_mv |
Brazilian Journal of Microbiology, v. 25, n. 2, p. 129-135, 1994. 1678-4405 1517-8382 10.112/J.1517-8382 2-s2.0-85092738446 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Brazilian Journal of Microbiology |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
129-135 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128851006455808 |