Evaluation of the alimentary biosseguranÃa of beans genotypes caupi (Vigna unguiculata L. WALP) susceptible and resistant to the Callosobruchus maculatus (FABR. 1775)

Detalhes bibliográficos
Autor(a) principal: Silvia Maria Alves de Paula
Data de Publicação: 2008
Tipo de documento: Tese
Idioma: por
Título da fonte: Biblioteca Digital de Teses e Dissertações da UFC
Texto Completo: http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=3787
Resumo: Brazil is one of the largest producers of cowpea [Vigna unguiculata (L.) Walp.], a very important legume for human dietary protein and carbohydrate supply. Nevertheless, there are some factors which limit its productivity and utilization. The insect Callosobuchus maculatus (cowpea weevil) is considered the principal pest that attacks stored grains. In the Northeast of Brazil, breeding efforts involving cowpea have been directed towards the selection of high yielding varieties associated with traits of resistance to diseases and pests. However, studies on the nutritional quality of these improved genotypes are scanty. In this study, the research was conducted with two cowpea genotypes, BR9 Longà e IT81D 1053, susceptible and resistant to cowpea weevil, respectively, to evaluate whether the probable factors related to the resistance would interfere with the nutritional value. Proximate composition showed that both genotypes are good sources of proteins (23.45 and 26.61 g/100 g dry matter), carbohydrates (61.62 and 62.94 g/100 g dry matter) and crude fiber (4.32 and 5.20 g/100 g dry matter), presenting low contents of oil (3.30 and 3.89 g/100 g dry matter). Polyacrylamide gel electrophoresis of the seed flours showed similar patterns for both genotypes, except for the presence of a very prominent 29 kDa band in the resistant genotype. The presence of antinutritional factors such as lectin, urease and trypsin inhibitor was detected in both cowpea genotypes. Lectin (0.10 UH/mgF) and urease (25.13 and 25.41 U/gF) amounts were similar in the susceptible and resistant genotypes. The resistant genotype presented a higher content of trypsin inhibitor (18.55 mg trypsin inhibited/gF) than the susceptible one (12.57 mg trypsin inhibited/gF). Feeding trial conducted with rats fed the experimental diets containing seed flour of BR9 Longà and IT81D 1053 as the sole protein source, at 10% level, were not sufficient to promote animal growth compared to the animals fed the high quality diet containing egg white. However, when compared the treatments containing susceptible and resistant cowpea genotypes most of parameters analyzed were similar. Diets containing the chitin binding proteins (CBP), purified from susceptible and resistant cowpea genotypes and complemented
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spelling info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisEvaluation of the alimentary biosseguranÃa of beans genotypes caupi (Vigna unguiculata L. WALP) susceptible and resistant to the Callosobruchus maculatus (FABR. 1775)AvaliaÃÃo da biosseguranÃa alimentar de genÃtipos de feijÃo caupi (Vigna unguiculata L. WALP) suscetÃvel e resistente ao Callosobruchus maculatus (FABR. 1775 )2008-06-12Ilka Maria Vasconcelos31109128304http://lattes.cnpq.br/0103197383336584Thalles Barbosa Grangeiro31160166315http://lattes.cnpq.br/311437547477866751242532315http://lattes.cnpq.br/2920285624057398Silvia Maria Alves de PaulaUniversidade Federal do CearÃPrograma de PÃs-GraduaÃÃo em BioquÃmicaUFCBRBeans caupi [Vigna unguiculata (L.) Walp.] Callosobruchus maculatus (gorgulho) Ligantes proteins to the quitina (PLQ)FeijÃo caupi [Vigna unguiculata (L.) Walp.] Callosobruchus maculatus (gorgulho) ProteÃnas ligantes à quitina (PLQ)BIOQUIMICABrazil is one of the largest producers of cowpea [Vigna unguiculata (L.) Walp.], a very important legume for human dietary protein and carbohydrate supply. Nevertheless, there are some factors which limit its productivity and utilization. The insect Callosobuchus maculatus (cowpea weevil) is considered the principal pest that attacks stored grains. In the Northeast of Brazil, breeding efforts involving cowpea have been directed towards the selection of high yielding varieties associated with traits of resistance to diseases and pests. However, studies on the nutritional quality of these improved genotypes are scanty. In this study, the research was conducted with two cowpea genotypes, BR9 Longà e IT81D 1053, susceptible and resistant to cowpea weevil, respectively, to evaluate whether the probable factors related to the resistance would interfere with the nutritional value. Proximate composition showed that both genotypes are good sources of proteins (23.45 and 26.61 g/100 g dry matter), carbohydrates (61.62 and 62.94 g/100 g dry matter) and crude fiber (4.32 and 5.20 g/100 g dry matter), presenting low contents of oil (3.30 and 3.89 g/100 g dry matter). Polyacrylamide gel electrophoresis of the seed flours showed similar patterns for both genotypes, except for the presence of a very prominent 29 kDa band in the resistant genotype. The presence of antinutritional factors such as lectin, urease and trypsin inhibitor was detected in both cowpea genotypes. Lectin (0.10 UH/mgF) and urease (25.13 and 25.41 U/gF) amounts were similar in the susceptible and resistant genotypes. The resistant genotype presented a higher content of trypsin inhibitor (18.55 mg trypsin inhibited/gF) than the susceptible one (12.57 mg trypsin inhibited/gF). Feeding trial conducted with rats fed the experimental diets containing seed flour of BR9 Longà and IT81D 1053 as the sole protein source, at 10% level, were not sufficient to promote animal growth compared to the animals fed the high quality diet containing egg white. However, when compared the treatments containing susceptible and resistant cowpea genotypes most of parameters analyzed were similar. Diets containing the chitin binding proteins (CBP), purified from susceptible and resistant cowpea genotypes and complementedO Brasil à um dos grandes produtores de feijÃo caupi [Vigna unguiculata (L.) Walp.], uma importante leguminosa para consumo humano por ser boa fonte proteÃnas e carboidratos. Todavia, hà vÃrios fatores que limitam a produtividade e utilizaÃÃo dessa cultura, destacando-se o ataque pelo inseto Callosobruchus maculatus (gorgulho), conhecido como uma das principais pragas de armazenamento. No Nordeste do Brasil, genÃtipos de feijÃo caupi foram criados atravÃs de melhoramento genÃtico, visando aumento da produtividade e resistÃncia a doenÃas e pragas. PorÃm, à detectada a escassez de informaÃÃes relacionando resistÃncia e valor nutricional. Assim sendo, no presente estudo, dois genÃtipos melhorados geneticamente, BR9 Longà e IT81D 1053, suscetÃvel e resistente ao gorgulho, respectivamente, foram selecionados, para verificar se as alteraÃÃes promovidas pelo melhoramento afetariam sua qualidade nutricional. Os dados de composiÃÃo centesimal mostraram que ambos os genÃtipos constituem-se em boa fonte de proteÃnas (23,45 e 26,61 g/100 g de matÃria seca), carboidratos (61,62 e 62,94 g/100 g de matÃria seca) e fibra bruta (4,32 e 5,20 g/100 g de matÃria seca), apresentando baixos conteÃdos de lipÃdios (3,30 e 3,89 g/100 g de matÃria seca). Os perfis eletroforÃticos da farinha de sementes dos dois genÃtipos mostraram-se muito semelhantes entre si, exceto a existÃncia de uma banda mais proeminente na regiÃo de 29 kDa verificada no genÃtipo resistente. Fatores antinutricionais tais como lectina, urease e inibidor de tripsina foram verificados nos dois genÃtipos de feijÃo caupi avaliados. Os teores de lectina (0,10 UH/mgF) e de urease (25,13 e 25,41 U/gF) se mostraram bem similares nos genÃtipos suscetÃvel e resistente. Jà os conteÃdos de inibidor de tripsina foram diferentes, tendo o genÃtipo resistente apresentado maior atividade (18,55 mg de tripsina inibida/gF) em comparaÃÃo ao suscetÃvel (12,57 mg de tripsina inibida/gF). Farinhas dos genÃtipos BR9 Longà e IT81D 1053, quando incluÃdas em dietas para ratos como Ãnica fonte protÃica, a 10%, nÃo foram capazes de promover o crescimento dos animais de forma similar à albumina da clara do ovo (proteÃna padrÃo). Todavia, quando comparado o tratamento AvaliaÃÃo da BiosseguranÃa Alimentar de GenÃtipos... contendo farinha do genÃtipo suscetÃvel com aquele contendo o genÃtipo resistente, para a maioria dos parÃmetros analisados, as respostas foram bem parecidas. Dietas contendo proteÃnas ligantes à quitina (PLQ), purificadas do genÃtipo suscetÃvel e do resistente, complementadas com albumina da clara do ovo, apresentaram valor nutricional igual ou superior ao padrÃo (somente clara do ovo). Diante dos parÃmetros analisados, os resultados permitem concluir que o melhoramento genÃtico do feijÃo caupi, o qual conferiu resistÃncia ao Callosobruchus maculatus, nÃo foi capaz de alterar a qualidade nutricional dessa leguminosa. AlÃm disso, diferentemente ao verificado com o Callosobruchus maculatus, nÃo foram observados efeitos antinutricionais, tÃxicos e/ou alergÃnicos para os animais testados (ratos e camundongos), associados ao consumo das PLQ provenientes do genÃtipo suscetÃvel ou do resistenteConselho Nacional de Desenvolvimento CientÃfico e TecnolÃgicohttp://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=3787application/pdfinfo:eu-repo/semantics/openAccessporreponame:Biblioteca Digital de Teses e Dissertações da UFCinstname:Universidade Federal do Cearáinstacron:UFC2019-01-21T11:16:51Zmail@mail.com -
dc.title.en.fl_str_mv Evaluation of the alimentary biosseguranÃa of beans genotypes caupi (Vigna unguiculata L. WALP) susceptible and resistant to the Callosobruchus maculatus (FABR. 1775)
dc.title.alternative.pt.fl_str_mv AvaliaÃÃo da biosseguranÃa alimentar de genÃtipos de feijÃo caupi (Vigna unguiculata L. WALP) suscetÃvel e resistente ao Callosobruchus maculatus (FABR. 1775 )
title Evaluation of the alimentary biosseguranÃa of beans genotypes caupi (Vigna unguiculata L. WALP) susceptible and resistant to the Callosobruchus maculatus (FABR. 1775)
spellingShingle Evaluation of the alimentary biosseguranÃa of beans genotypes caupi (Vigna unguiculata L. WALP) susceptible and resistant to the Callosobruchus maculatus (FABR. 1775)
Silvia Maria Alves de Paula
FeijÃo caupi [Vigna unguiculata (L.) Walp.]
Callosobruchus maculatus (gorgulho)
ProteÃnas ligantes à quitina (PLQ)
BIOQUIMICA
title_short Evaluation of the alimentary biosseguranÃa of beans genotypes caupi (Vigna unguiculata L. WALP) susceptible and resistant to the Callosobruchus maculatus (FABR. 1775)
title_full Evaluation of the alimentary biosseguranÃa of beans genotypes caupi (Vigna unguiculata L. WALP) susceptible and resistant to the Callosobruchus maculatus (FABR. 1775)
title_fullStr Evaluation of the alimentary biosseguranÃa of beans genotypes caupi (Vigna unguiculata L. WALP) susceptible and resistant to the Callosobruchus maculatus (FABR. 1775)
title_full_unstemmed Evaluation of the alimentary biosseguranÃa of beans genotypes caupi (Vigna unguiculata L. WALP) susceptible and resistant to the Callosobruchus maculatus (FABR. 1775)
title_sort Evaluation of the alimentary biosseguranÃa of beans genotypes caupi (Vigna unguiculata L. WALP) susceptible and resistant to the Callosobruchus maculatus (FABR. 1775)
author Silvia Maria Alves de Paula
author_facet Silvia Maria Alves de Paula
author_role author
dc.contributor.advisor1.fl_str_mv Ilka Maria Vasconcelos
dc.contributor.advisor1ID.fl_str_mv 31109128304
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/0103197383336584
dc.contributor.referee1.fl_str_mv Thalles Barbosa Grangeiro
dc.contributor.referee1ID.fl_str_mv 31160166315
dc.contributor.referee1Lattes.fl_str_mv http://lattes.cnpq.br/3114375474778667
dc.contributor.authorID.fl_str_mv 51242532315
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/2920285624057398
dc.contributor.author.fl_str_mv Silvia Maria Alves de Paula
contributor_str_mv Ilka Maria Vasconcelos
Thalles Barbosa Grangeiro
dc.subject.por.fl_str_mv FeijÃo caupi [Vigna unguiculata (L.) Walp.]
Callosobruchus maculatus (gorgulho)
ProteÃnas ligantes à quitina (PLQ)
topic FeijÃo caupi [Vigna unguiculata (L.) Walp.]
Callosobruchus maculatus (gorgulho)
ProteÃnas ligantes à quitina (PLQ)
BIOQUIMICA
dc.subject.cnpq.fl_str_mv BIOQUIMICA
dc.description.sponsorship.fl_txt_mv Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico
dc.description.abstract.por.fl_txt_mv Brazil is one of the largest producers of cowpea [Vigna unguiculata (L.) Walp.], a very important legume for human dietary protein and carbohydrate supply. Nevertheless, there are some factors which limit its productivity and utilization. The insect Callosobuchus maculatus (cowpea weevil) is considered the principal pest that attacks stored grains. In the Northeast of Brazil, breeding efforts involving cowpea have been directed towards the selection of high yielding varieties associated with traits of resistance to diseases and pests. However, studies on the nutritional quality of these improved genotypes are scanty. In this study, the research was conducted with two cowpea genotypes, BR9 Longà e IT81D 1053, susceptible and resistant to cowpea weevil, respectively, to evaluate whether the probable factors related to the resistance would interfere with the nutritional value. Proximate composition showed that both genotypes are good sources of proteins (23.45 and 26.61 g/100 g dry matter), carbohydrates (61.62 and 62.94 g/100 g dry matter) and crude fiber (4.32 and 5.20 g/100 g dry matter), presenting low contents of oil (3.30 and 3.89 g/100 g dry matter). Polyacrylamide gel electrophoresis of the seed flours showed similar patterns for both genotypes, except for the presence of a very prominent 29 kDa band in the resistant genotype. The presence of antinutritional factors such as lectin, urease and trypsin inhibitor was detected in both cowpea genotypes. Lectin (0.10 UH/mgF) and urease (25.13 and 25.41 U/gF) amounts were similar in the susceptible and resistant genotypes. The resistant genotype presented a higher content of trypsin inhibitor (18.55 mg trypsin inhibited/gF) than the susceptible one (12.57 mg trypsin inhibited/gF). Feeding trial conducted with rats fed the experimental diets containing seed flour of BR9 Longà and IT81D 1053 as the sole protein source, at 10% level, were not sufficient to promote animal growth compared to the animals fed the high quality diet containing egg white. However, when compared the treatments containing susceptible and resistant cowpea genotypes most of parameters analyzed were similar. Diets containing the chitin binding proteins (CBP), purified from susceptible and resistant cowpea genotypes and complemented
O Brasil à um dos grandes produtores de feijÃo caupi [Vigna unguiculata (L.) Walp.], uma importante leguminosa para consumo humano por ser boa fonte proteÃnas e carboidratos. Todavia, hà vÃrios fatores que limitam a produtividade e utilizaÃÃo dessa cultura, destacando-se o ataque pelo inseto Callosobruchus maculatus (gorgulho), conhecido como uma das principais pragas de armazenamento. No Nordeste do Brasil, genÃtipos de feijÃo caupi foram criados atravÃs de melhoramento genÃtico, visando aumento da produtividade e resistÃncia a doenÃas e pragas. PorÃm, à detectada a escassez de informaÃÃes relacionando resistÃncia e valor nutricional. Assim sendo, no presente estudo, dois genÃtipos melhorados geneticamente, BR9 Longà e IT81D 1053, suscetÃvel e resistente ao gorgulho, respectivamente, foram selecionados, para verificar se as alteraÃÃes promovidas pelo melhoramento afetariam sua qualidade nutricional. Os dados de composiÃÃo centesimal mostraram que ambos os genÃtipos constituem-se em boa fonte de proteÃnas (23,45 e 26,61 g/100 g de matÃria seca), carboidratos (61,62 e 62,94 g/100 g de matÃria seca) e fibra bruta (4,32 e 5,20 g/100 g de matÃria seca), apresentando baixos conteÃdos de lipÃdios (3,30 e 3,89 g/100 g de matÃria seca). Os perfis eletroforÃticos da farinha de sementes dos dois genÃtipos mostraram-se muito semelhantes entre si, exceto a existÃncia de uma banda mais proeminente na regiÃo de 29 kDa verificada no genÃtipo resistente. Fatores antinutricionais tais como lectina, urease e inibidor de tripsina foram verificados nos dois genÃtipos de feijÃo caupi avaliados. Os teores de lectina (0,10 UH/mgF) e de urease (25,13 e 25,41 U/gF) se mostraram bem similares nos genÃtipos suscetÃvel e resistente. Jà os conteÃdos de inibidor de tripsina foram diferentes, tendo o genÃtipo resistente apresentado maior atividade (18,55 mg de tripsina inibida/gF) em comparaÃÃo ao suscetÃvel (12,57 mg de tripsina inibida/gF). Farinhas dos genÃtipos BR9 Longà e IT81D 1053, quando incluÃdas em dietas para ratos como Ãnica fonte protÃica, a 10%, nÃo foram capazes de promover o crescimento dos animais de forma similar à albumina da clara do ovo (proteÃna padrÃo). Todavia, quando comparado o tratamento AvaliaÃÃo da BiosseguranÃa Alimentar de GenÃtipos... contendo farinha do genÃtipo suscetÃvel com aquele contendo o genÃtipo resistente, para a maioria dos parÃmetros analisados, as respostas foram bem parecidas. Dietas contendo proteÃnas ligantes à quitina (PLQ), purificadas do genÃtipo suscetÃvel e do resistente, complementadas com albumina da clara do ovo, apresentaram valor nutricional igual ou superior ao padrÃo (somente clara do ovo). Diante dos parÃmetros analisados, os resultados permitem concluir que o melhoramento genÃtico do feijÃo caupi, o qual conferiu resistÃncia ao Callosobruchus maculatus, nÃo foi capaz de alterar a qualidade nutricional dessa leguminosa. AlÃm disso, diferentemente ao verificado com o Callosobruchus maculatus, nÃo foram observados efeitos antinutricionais, tÃxicos e/ou alergÃnicos para os animais testados (ratos e camundongos), associados ao consumo das PLQ provenientes do genÃtipo suscetÃvel ou do resistente
description Brazil is one of the largest producers of cowpea [Vigna unguiculata (L.) Walp.], a very important legume for human dietary protein and carbohydrate supply. Nevertheless, there are some factors which limit its productivity and utilization. The insect Callosobuchus maculatus (cowpea weevil) is considered the principal pest that attacks stored grains. In the Northeast of Brazil, breeding efforts involving cowpea have been directed towards the selection of high yielding varieties associated with traits of resistance to diseases and pests. However, studies on the nutritional quality of these improved genotypes are scanty. In this study, the research was conducted with two cowpea genotypes, BR9 Longà e IT81D 1053, susceptible and resistant to cowpea weevil, respectively, to evaluate whether the probable factors related to the resistance would interfere with the nutritional value. Proximate composition showed that both genotypes are good sources of proteins (23.45 and 26.61 g/100 g dry matter), carbohydrates (61.62 and 62.94 g/100 g dry matter) and crude fiber (4.32 and 5.20 g/100 g dry matter), presenting low contents of oil (3.30 and 3.89 g/100 g dry matter). Polyacrylamide gel electrophoresis of the seed flours showed similar patterns for both genotypes, except for the presence of a very prominent 29 kDa band in the resistant genotype. The presence of antinutritional factors such as lectin, urease and trypsin inhibitor was detected in both cowpea genotypes. Lectin (0.10 UH/mgF) and urease (25.13 and 25.41 U/gF) amounts were similar in the susceptible and resistant genotypes. The resistant genotype presented a higher content of trypsin inhibitor (18.55 mg trypsin inhibited/gF) than the susceptible one (12.57 mg trypsin inhibited/gF). Feeding trial conducted with rats fed the experimental diets containing seed flour of BR9 Longà and IT81D 1053 as the sole protein source, at 10% level, were not sufficient to promote animal growth compared to the animals fed the high quality diet containing egg white. However, when compared the treatments containing susceptible and resistant cowpea genotypes most of parameters analyzed were similar. Diets containing the chitin binding proteins (CBP), purified from susceptible and resistant cowpea genotypes and complemented
publishDate 2008
dc.date.issued.fl_str_mv 2008-06-12
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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format doctoralThesis
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dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.publisher.none.fl_str_mv Universidade Federal do CearÃ
dc.publisher.program.fl_str_mv Programa de PÃs-GraduaÃÃo em BioquÃmica
dc.publisher.initials.fl_str_mv UFC
dc.publisher.country.fl_str_mv BR
publisher.none.fl_str_mv Universidade Federal do CearÃ
dc.source.none.fl_str_mv reponame:Biblioteca Digital de Teses e Dissertações da UFC
instname:Universidade Federal do Ceará
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reponame_str Biblioteca Digital de Teses e Dissertações da UFC
collection Biblioteca Digital de Teses e Dissertações da UFC
instname_str Universidade Federal do Ceará
instacron_str UFC
institution UFC
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repository.mail.fl_str_mv mail@mail.com
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