Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate
Ano de defesa: | 2015 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | |
Tipo de documento: | Tese |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Estadual de Feira de Santana
|
Programa de Pós-Graduação: |
Doutorado Acad?mico em Biotecnologia
|
Departamento: |
DEPARTAMENTO DE CI?NCIAS BIOL?GICAS
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://localhost:8080/tede/handle/tede/189 |
Resumo: | A recurring problem in the chocolate industry is the low quality of cocoa beans, which influences the chocolate aroma. One possibility to contribute to solve this problem is the application of commercial exogenous enzymes on slate. This work proposed detection and sequencing, by mass spectrometry, of the peptides present in slates subjected to treatment with microbial enzyme proposed by Oliveira et al. (2011). Associated to the analysis of peptides was studied the concentration of phenolic compounds and antioxidant activity since the reduction of phenolics in cocoa processing steps is known to cause reduction of astringency and bitterness contributing to the formation of important compounds for the chocolate aroma. The results indicate that although the qualitative standard of the hydrophobic amino acids present in the peptides responsible for the mixture of chocolate aroma is more important than the quantitative standard, the presence of the amino acids leucine, alanine, phenylalanine, and tyrosine in appropriate amounts is essential for obtaining desired aroma. The proposed treatment caused a reduction in the phenolics concentration, which is desirable for a chocolate aroma, and in antioxidant activity. In general, the profile peptide, the phenolic content and antioxidant activity of treated slate resembled more good quality almonds suggesting the effectiveness of the proposed treatment. Research the market and trends indicated favorable conditions for diffusion of the proposed treatment in the process industries. |
id |
UEFS_78584a362d7eadb5aaeca587311cb945 |
---|---|
oai_identifier_str |
oai:tede2.uefs.br:8080:tede/189 |
network_acronym_str |
UEFS |
network_name_str |
Biblioteca Digital de Teses e Dissertações da UEFS |
repository_id_str |
|
spelling |
G?es Neto, Arist?teles00911126562http://lattes.cnpq.br/2004291177319105Nascimento, Hilana Salete Silva Oliveira2015-09-09T23:59:26Z2015-06-26NASCIMENTO, Hilana Salete Silva Oliveira. Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate. 2015. 152 f. Tese (Doutorado Acad?mico em Biotecnologia)- Universidade Estadual de Feira de Santana, Feira de Santana, 2015.http://localhost:8080/tede/handle/tede/189A recurring problem in the chocolate industry is the low quality of cocoa beans, which influences the chocolate aroma. One possibility to contribute to solve this problem is the application of commercial exogenous enzymes on slate. This work proposed detection and sequencing, by mass spectrometry, of the peptides present in slates subjected to treatment with microbial enzyme proposed by Oliveira et al. (2011). Associated to the analysis of peptides was studied the concentration of phenolic compounds and antioxidant activity since the reduction of phenolics in cocoa processing steps is known to cause reduction of astringency and bitterness contributing to the formation of important compounds for the chocolate aroma. The results indicate that although the qualitative standard of the hydrophobic amino acids present in the peptides responsible for the mixture of chocolate aroma is more important than the quantitative standard, the presence of the amino acids leucine, alanine, phenylalanine, and tyrosine in appropriate amounts is essential for obtaining desired aroma. The proposed treatment caused a reduction in the phenolics concentration, which is desirable for a chocolate aroma, and in antioxidant activity. In general, the profile peptide, the phenolic content and antioxidant activity of treated slate resembled more good quality almonds suggesting the effectiveness of the proposed treatment. Research the market and trends indicated favorable conditions for diffusion of the proposed treatment in the process industries.Um problema recorrente na ind?stria de chocolate ? a baixa qualidade das am?ndoas de cacau, o que influencia o aroma do chocolate. Uma forma de contribuir para solucionar este problema ? a aplica??o de enzimas ex?genas comerciais sobre a ard?sia. Esse trabalho prop?s a detec??o e sequencimento, por espectrometria de massas, dos pept?deos presentes em ard?sia submetidas ao tratamento com enzima microbiana proposto por Oliveira et al. (2011). Associado ?s an?lises de pept?deos, foi feito um estudo da concentra??o de fen?licos e atividade antioxidante, uma vez que a redu??o de fen?licos nas etapas de processamento do cacau ? conhecida por causar redu??o da adstring?ncia e amargor, contribuindo para a forma??o de compostos importantes para o aroma de chocolate. Os resultados indicam que embora o padr?o qualitativo dos amino?cidos hidrof?bicos presentes na mistura de pept?deos respons?veis pelo aroma de chocolate seja mais importante que o padr?o quantitativo, a presen?a dos amino?cidos leucina, alanina, fenilalanina e tirosina em propor??es adequadas ? essencial para a obten??o do aroma desejado. O tratamento proposto causou redu??o na concentra??o de fen?licos, o que ? desej?vel para o aroma de chocolate, e na atividade antioxidante. De modo geral, o perfil de pept?deos, o teor de fen?licos e a atividade antioxidante de ard?sia tratada foi muito mais semelhante ao das am?ndoas de boa qualidade sugerindo a efici?ncia do tratamento proposto. Pesquisas de mercado e tend?ncias indicaram condi??es interessantes ? difus?o do tratamento proposto nas ind?strias de processamento.Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2015-09-09T23:59:26Z No. of bitstreams: 1 TESE - VERS?O FINAL - HILANA SALETE SILVA OLIVEIRA.pdf: 2650992 bytes, checksum: c49b570e274076a6845058a800581217 (MD5)Made available in DSpace on 2015-09-09T23:59:26Z (GMT). No. of bitstreams: 1 TESE - VERS?O FINAL - HILANA SALETE SILVA OLIVEIRA.pdf: 2650992 bytes, checksum: c49b570e274076a6845058a800581217 (MD5) Previous issue date: 2015-06-26Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPESapplication/pdfporUniversidade Estadual de Feira de SantanaDoutorado Acad?mico em BiotecnologiaUEFSBrasilDEPARTAMENTO DE CI?NCIAS BIOL?GICASCacauAromaChocolateProteasesEspectrometria de massasCompostos fen?licosCocoaMass spectrometryPhenolic compoundsCIENCIAS BIOLOGICAS::BIOLOGIA GERALEstudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolateinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesis-5520924549352904568600600600600-6971480722008537872-16345593859312446972075167498588264571info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UEFSinstname:Universidade Estadual de Feira de Santana (UEFS)instacron:UEFSORIGINALTESE - VERS?O FINAL - HILANA SALETE SILVA OLIVEIRA.pdfTESE - VERS?O FINAL - HILANA SALETE SILVA OLIVEIRA.pdfapplication/pdf2650992http://tede2.uefs.br:8080/bitstream/tede/189/2/TESE+-+VERS%C3%83O+FINAL+-+HILANA+SALETE+SILVA+OLIVEIRA.pdfc49b570e274076a6845058a800581217MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://tede2.uefs.br:8080/bitstream/tede/189/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51tede/1892015-09-09 21:41:18.022oai:tede2.uefs.br:8080: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Biblioteca Digital de Teses e Dissertaçõeshttp://tede2.uefs.br:8080/PUBhttp://tede2.uefs.br:8080/oai/requestbcuefs@uefs.br|| bcref@uefs.br||bcuefs@uefs.bropendoar:2015-09-10T00:41:18Biblioteca Digital de Teses e Dissertações da UEFS - Universidade Estadual de Feira de Santana (UEFS)false |
dc.title.por.fl_str_mv |
Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate |
title |
Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate |
spellingShingle |
Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate Nascimento, Hilana Salete Silva Oliveira Cacau Aroma Chocolate Proteases Espectrometria de massas Compostos fen?licos Cocoa Mass spectrometry Phenolic compounds CIENCIAS BIOLOGICAS::BIOLOGIA GERAL |
title_short |
Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate |
title_full |
Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate |
title_fullStr |
Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate |
title_full_unstemmed |
Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate |
title_sort |
Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate |
author |
Nascimento, Hilana Salete Silva Oliveira |
author_facet |
Nascimento, Hilana Salete Silva Oliveira |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
G?es Neto, Arist?teles |
dc.contributor.authorID.fl_str_mv |
00911126562 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/2004291177319105 |
dc.contributor.author.fl_str_mv |
Nascimento, Hilana Salete Silva Oliveira |
contributor_str_mv |
G?es Neto, Arist?teles |
dc.subject.por.fl_str_mv |
Cacau Aroma Chocolate Proteases Espectrometria de massas Compostos fen?licos |
topic |
Cacau Aroma Chocolate Proteases Espectrometria de massas Compostos fen?licos Cocoa Mass spectrometry Phenolic compounds CIENCIAS BIOLOGICAS::BIOLOGIA GERAL |
dc.subject.eng.fl_str_mv |
Cocoa Mass spectrometry Phenolic compounds |
dc.subject.cnpq.fl_str_mv |
CIENCIAS BIOLOGICAS::BIOLOGIA GERAL |
description |
A recurring problem in the chocolate industry is the low quality of cocoa beans, which influences the chocolate aroma. One possibility to contribute to solve this problem is the application of commercial exogenous enzymes on slate. This work proposed detection and sequencing, by mass spectrometry, of the peptides present in slates subjected to treatment with microbial enzyme proposed by Oliveira et al. (2011). Associated to the analysis of peptides was studied the concentration of phenolic compounds and antioxidant activity since the reduction of phenolics in cocoa processing steps is known to cause reduction of astringency and bitterness contributing to the formation of important compounds for the chocolate aroma. The results indicate that although the qualitative standard of the hydrophobic amino acids present in the peptides responsible for the mixture of chocolate aroma is more important than the quantitative standard, the presence of the amino acids leucine, alanine, phenylalanine, and tyrosine in appropriate amounts is essential for obtaining desired aroma. The proposed treatment caused a reduction in the phenolics concentration, which is desirable for a chocolate aroma, and in antioxidant activity. In general, the profile peptide, the phenolic content and antioxidant activity of treated slate resembled more good quality almonds suggesting the effectiveness of the proposed treatment. Research the market and trends indicated favorable conditions for diffusion of the proposed treatment in the process industries. |
publishDate |
2015 |
dc.date.accessioned.fl_str_mv |
2015-09-09T23:59:26Z |
dc.date.issued.fl_str_mv |
2015-06-26 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
NASCIMENTO, Hilana Salete Silva Oliveira. Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate. 2015. 152 f. Tese (Doutorado Acad?mico em Biotecnologia)- Universidade Estadual de Feira de Santana, Feira de Santana, 2015. |
dc.identifier.uri.fl_str_mv |
http://localhost:8080/tede/handle/tede/189 |
identifier_str_mv |
NASCIMENTO, Hilana Salete Silva Oliveira. Estudo do efeito de tratamento enzim?tico sobre as caracter?sticas de qualidade de ard?sia e sua influ?ncia no aroma de chocolate. 2015. 152 f. Tese (Doutorado Acad?mico em Biotecnologia)- Universidade Estadual de Feira de Santana, Feira de Santana, 2015. |
url |
http://localhost:8080/tede/handle/tede/189 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.program.fl_str_mv |
-5520924549352904568 |
dc.relation.confidence.fl_str_mv |
600 600 600 600 |
dc.relation.department.fl_str_mv |
-6971480722008537872 |
dc.relation.cnpq.fl_str_mv |
-1634559385931244697 |
dc.relation.sponsorship.fl_str_mv |
2075167498588264571 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual de Feira de Santana |
dc.publisher.program.fl_str_mv |
Doutorado Acad?mico em Biotecnologia |
dc.publisher.initials.fl_str_mv |
UEFS |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
DEPARTAMENTO DE CI?NCIAS BIOL?GICAS |
publisher.none.fl_str_mv |
Universidade Estadual de Feira de Santana |
dc.source.none.fl_str_mv |
reponame:Biblioteca Digital de Teses e Dissertações da UEFS instname:Universidade Estadual de Feira de Santana (UEFS) instacron:UEFS |
instname_str |
Universidade Estadual de Feira de Santana (UEFS) |
instacron_str |
UEFS |
institution |
UEFS |
reponame_str |
Biblioteca Digital de Teses e Dissertações da UEFS |
collection |
Biblioteca Digital de Teses e Dissertações da UEFS |
bitstream.url.fl_str_mv |
http://tede2.uefs.br:8080/bitstream/tede/189/2/TESE+-+VERS%C3%83O+FINAL+-+HILANA+SALETE+SILVA+OLIVEIRA.pdf http://tede2.uefs.br:8080/bitstream/tede/189/1/license.txt |
bitstream.checksum.fl_str_mv |
c49b570e274076a6845058a800581217 bd3efa91386c1718a7f26a329fdcb468 |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 |
repository.name.fl_str_mv |
Biblioteca Digital de Teses e Dissertações da UEFS - Universidade Estadual de Feira de Santana (UEFS) |
repository.mail.fl_str_mv |
bcuefs@uefs.br|| bcref@uefs.br||bcuefs@uefs.br |
_version_ |
1796793630446321664 |