Analysis of the probiotic and antioxidant potential of β-galactosidase-producing Lactobacilli
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| 1. Verfasser: | |
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| Publikationsdatum: | 2017 |
| Format: | Master thesis |
| Sprache: | por |
| Quelle: | Repositório Comum do Brasil - Deposita |
| Download full: | https://deposita.ibict.br/handle/deposita/481 |
Zusammenfassung: | The use of enzymes from bacterial metabolism allowed dairy products to reach the third part of the human diet in the group of functional nourishment or nutraceutical. In the wide range of this products are the probiotics: living microorganisms which provide several benefits to its host when given in adequate quantity. Therefore, the objective of this research is to select lactic bacteria producers of β- galactosidase and determine their probiotic and antioxidant characteristics through in vitro testing. After reactivating 75 strains collected in the collection of lactobacillus from the University of the West of Santa Catarina – UNOESC, 19 were selected based on the chromogen X-gal with higher capacity of enzymatic production. When determined the enzymatic activity on the substrate ONPG the strains 14, 8 and 39L were the ones with higher activity expressed in 24h with measurements of 0.044±0.003 U/mL, 0.066±0.003 U/mL, and 0.037±0.003 U/mL respectively. Concerning the survival in acid pH after 2h of incubation, the strain 8 presented feasibility of 13.5±2.96% in pH2 and, together with the strains 14, 8.1, and LB, presented viability in pH3 of circa 16%, 31%, 50.7% and 53% respectively. All the strains remained active in low concentrations of bile salts, varying from 75% in the concentration of 0.25% to 41% in the concentration of 0.5% and could inhibit at least three possible intestinal pathogens. The analysis of the test of hydrophobicity allowed us to conclude that the strain 14 had an activity of 27.93% of xylene adherence, on a par with the strain 25J with 29.95% of activity. Regarding the safety characteristics, none of the strain presented hemolytic activity. However, the strains 14, 8, 8.1, LB, and 39L presented resistance to the antimicrobial ciprofloxacin, and the strain 25J to ceftazidime, while the strains 8 and 39L showed a subpopulation resistant to the same antimicrobial and the strain 39L presented the same characteristic to penicillin. Observing the antioxidant characteristics, all strains had the same activity in the inhibition of DPPH radical, around 5.39±2.36% while presented satisfactory and variable inhibition of the auto-oxidation from ascorbate. In the present study, in general, all the isolates analyzed presented distinct benefits and it was not possible to determine only one culture for probiosis applications. |
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| author | Bellaver, Emyr Hiago |
| author_browse | Bellaver, Emyr Hiago |
| author_facet | Bellaver, Emyr Hiago |
| author_role | author |
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| collection | Repositório Comum do Brasil - Deposita |
| contributor_str_mv | Baratto, César Milton Locatelli, Claudriana Salamoni, Sabrina Pinto Camargo Mendes , Sandra Denise De Martini Soares, Fabiana Andreia Schäfer |
| dc.contributor.advisor-co1.fl_str_mv | Locatelli, Claudriana |
| dc.contributor.advisor-co1ID.fl_str_mv | 5561335276362844 |
| dc.contributor.advisor-co1Lattes.fl_str_mv | http://lattes.cnpq.br/5561335276362844 |
| dc.contributor.advisor1.fl_str_mv | Baratto, César Milton |
| dc.contributor.advisor1ID.fl_str_mv | 8813365608541129 |
| dc.contributor.advisor1Lattes.fl_str_mv | http://lattes.cnpq.br/8813365608541129 |
| dc.contributor.author.fl_str_mv | Bellaver, Emyr Hiago |
| dc.contributor.authorLattes.fl_str_mv | http://lattes.cnpq.br/1518230102727371 |
| dc.contributor.referee1.fl_str_mv | Salamoni, Sabrina Pinto |
| dc.contributor.referee1ID.fl_str_mv | 8652223684218889 |
| dc.contributor.referee1Lattes.fl_str_mv | http://lattes.cnpq.br/8652223684218889 |
| dc.contributor.referee2.fl_str_mv | Camargo Mendes , Sandra Denise |
| dc.contributor.referee2ID.fl_str_mv | 7140139112484449 |
| dc.contributor.referee2Lattes.fl_str_mv | http://lattes.cnpq.br/7140139112484449 |
| dc.contributor.referee3.fl_str_mv | De Martini Soares, Fabiana Andreia Schäfer |
| dc.contributor.referee3Lattes.fl_str_mv | http://lattes.cnpq.br/1336179032707863 |
| dc.date.accessioned.fl_str_mv | 2024-01-17T18:05:21Z |
| dc.date.issued.fl_str_mv | 2017 |
| dc.format.none.fl_str_mv | application/pdf application/pdf |
| dc.identifier.citation.fl_str_mv | BELLAVER, Emyr Hiago. Análise do potencial probiótico e antioxidante de lactobacilos produtores de β- galactosidase. 2017. 71f. Dissertação (Mestrado). Programa de Pós Graduação em Ciência e Biotencologia. Universidade do Oeste de Santa Catarina – UNOESC, Videira - SC, Brasil. 2017. |
| dc.identifier.uri.fl_str_mv | https://deposita.ibict.br/handle/deposita/481 |
| dc.language.iso.fl_str_mv | por |
| dc.publisher.country.fl_str_mv | Brasil |
| dc.publisher.department.fl_str_mv | Universidade do Oeste de Santa Catarina |
| dc.publisher.none.fl_str_mv | Universidade do Oeste de Santa Catarina |
| dc.publisher.program.fl_str_mv | Programa de Pós-Graduação em Ciência e Biotecnologia |
| dc.rights.driver.fl_str_mv | info:eu-repo/semantics/openAccess |
| dc.source.none.fl_str_mv | reponame:Repositório Comum do Brasil - Deposita instname:Instituto Brasileiro de Informação em Ciência e Tecnologia (Ibict) instacron:IBICT |
| dc.subject.cnpq.fl_str_mv | Ciências Biológicas Biotecnologia Biotecnologia Industrial |
| dc.subject.eng.fl_str_mv | Functional foods Lactobacilli β-galactosidase enzymatic activity Industrial microbiology |
| dc.title.alternative.por.fl_str_mv | Análise do potencial probiótico e antioxidante de lactobacilos produtores de β – galactosidase |
| dc.title.por.fl_str_mv | Analysis of the probiotic and antioxidant potential of β-galactosidase-producing Lactobacilli |
| dc.type.driver.fl_str_mv | info:eu-repo/semantics/masterThesis |
| dc.type.status.fl_str_mv | info:eu-repo/semantics/publishedVersion |
| description | The use of enzymes from bacterial metabolism allowed dairy products to reach the third part of the human diet in the group of functional nourishment or nutraceutical. In the wide range of this products are the probiotics: living microorganisms which provide several benefits to its host when given in adequate quantity. Therefore, the objective of this research is to select lactic bacteria producers of β- galactosidase and determine their probiotic and antioxidant characteristics through in vitro testing. After reactivating 75 strains collected in the collection of lactobacillus from the University of the West of Santa Catarina – UNOESC, 19 were selected based on the chromogen X-gal with higher capacity of enzymatic production. When determined the enzymatic activity on the substrate ONPG the strains 14, 8 and 39L were the ones with higher activity expressed in 24h with measurements of 0.044±0.003 U/mL, 0.066±0.003 U/mL, and 0.037±0.003 U/mL respectively. Concerning the survival in acid pH after 2h of incubation, the strain 8 presented feasibility of 13.5±2.96% in pH2 and, together with the strains 14, 8.1, and LB, presented viability in pH3 of circa 16%, 31%, 50.7% and 53% respectively. All the strains remained active in low concentrations of bile salts, varying from 75% in the concentration of 0.25% to 41% in the concentration of 0.5% and could inhibit at least three possible intestinal pathogens. The analysis of the test of hydrophobicity allowed us to conclude that the strain 14 had an activity of 27.93% of xylene adherence, on a par with the strain 25J with 29.95% of activity. Regarding the safety characteristics, none of the strain presented hemolytic activity. However, the strains 14, 8, 8.1, LB, and 39L presented resistance to the antimicrobial ciprofloxacin, and the strain 25J to ceftazidime, while the strains 8 and 39L showed a subpopulation resistant to the same antimicrobial and the strain 39L presented the same characteristic to penicillin. Observing the antioxidant characteristics, all strains had the same activity in the inhibition of DPPH radical, around 5.39±2.36% while presented satisfactory and variable inhibition of the auto-oxidation from ascorbate. In the present study, in general, all the isolates analyzed presented distinct benefits and it was not possible to determine only one culture for probiosis applications. |
| eu_rights_str_mv | openAccess |
| format | masterThesis |
| id | IBICT-1_a37fb06514bc640bf51f6cd2c84737dd |
| identifier_str_mv | BELLAVER, Emyr Hiago. Análise do potencial probiótico e antioxidante de lactobacilos produtores de β- galactosidase. 2017. 71f. Dissertação (Mestrado). Programa de Pós Graduação em Ciência e Biotencologia. Universidade do Oeste de Santa Catarina – UNOESC, Videira - SC, Brasil. 2017. |
| instacron_str | IBICT |
| institution | IBICT |
| instname_str | Instituto Brasileiro de Informação em Ciência e Tecnologia (Ibict) |
| language | por |
| network_acronym_str | IBICT-1 |
| network_name_str | Repositório Comum do Brasil - Deposita |
| oai_identifier_str | oai:deposita.ibict.br:deposita/481 |
| publishDate | 2017 |
| publishDateSort | 2017 |
| publisher.none.fl_str_mv | Universidade do Oeste de Santa Catarina |
| reponame_str | Repositório Comum do Brasil - Deposita |
| repository.mail.fl_str_mv | deposita@ibict.br |
| repository.name.fl_str_mv | Repositório Comum do Brasil - Deposita - Instituto Brasileiro de Informação em Ciência e Tecnologia (Ibict) |
| repository_id_str | 4658 |
| spelling | Baratto, César Milton8813365608541129http://lattes.cnpq.br/8813365608541129Locatelli, Claudriana5561335276362844http://lattes.cnpq.br/5561335276362844Salamoni, Sabrina Pinto8652223684218889http://lattes.cnpq.br/8652223684218889Camargo Mendes , Sandra Denise7140139112484449http://lattes.cnpq.br/7140139112484449De Martini Soares, Fabiana Andreia Schäferhttp://lattes.cnpq.br/1336179032707863http://lattes.cnpq.br/1518230102727371Bellaver, Emyr Hiago2024-01-17T18:05:21Z2017BELLAVER, Emyr Hiago. Análise do potencial probiótico e antioxidante de lactobacilos produtores de β- galactosidase. 2017. 71f. Dissertação (Mestrado). Programa de Pós Graduação em Ciência e Biotencologia. Universidade do Oeste de Santa Catarina – UNOESC, Videira - SC, Brasil. 2017.https://deposita.ibict.br/handle/deposita/481The use of enzymes from bacterial metabolism allowed dairy products to reach the third part of the human diet in the group of functional nourishment or nutraceutical. In the wide range of this products are the probiotics: living microorganisms which provide several benefits to its host when given in adequate quantity. Therefore, the objective of this research is to select lactic bacteria producers of β- galactosidase and determine their probiotic and antioxidant characteristics through in vitro testing. After reactivating 75 strains collected in the collection of lactobacillus from the University of the West of Santa Catarina – UNOESC, 19 were selected based on the chromogen X-gal with higher capacity of enzymatic production. When determined the enzymatic activity on the substrate ONPG the strains 14, 8 and 39L were the ones with higher activity expressed in 24h with measurements of 0.044±0.003 U/mL, 0.066±0.003 U/mL, and 0.037±0.003 U/mL respectively. Concerning the survival in acid pH after 2h of incubation, the strain 8 presented feasibility of 13.5±2.96% in pH2 and, together with the strains 14, 8.1, and LB, presented viability in pH3 of circa 16%, 31%, 50.7% and 53% respectively. All the strains remained active in low concentrations of bile salts, varying from 75% in the concentration of 0.25% to 41% in the concentration of 0.5% and could inhibit at least three possible intestinal pathogens. The analysis of the test of hydrophobicity allowed us to conclude that the strain 14 had an activity of 27.93% of xylene adherence, on a par with the strain 25J with 29.95% of activity. Regarding the safety characteristics, none of the strain presented hemolytic activity. However, the strains 14, 8, 8.1, LB, and 39L presented resistance to the antimicrobial ciprofloxacin, and the strain 25J to ceftazidime, while the strains 8 and 39L showed a subpopulation resistant to the same antimicrobial and the strain 39L presented the same characteristic to penicillin. Observing the antioxidant characteristics, all strains had the same activity in the inhibition of DPPH radical, around 5.39±2.36% while presented satisfactory and variable inhibition of the auto-oxidation from ascorbate. In the present study, in general, all the isolates analyzed presented distinct benefits and it was not possible to determine only one culture for probiosis applications.A utilização de enzimas oriundas do metabolismo bacteriano proporcionou aos produtos lácteos alcançar a terceira parte da dieta humana no grupo dos alimentos funcionais ou nutracêuticos. Na ampla escala destes produtos, encontram-se os probióticos: microrganismos vivos que quando administrados em quantidades adequadas proporcionam uma série de benefícios ao hospedeiro. Sendo assim, o objetivo do proposto consiste em selecionar bactérias lácticas produtoras de β- galactosidase e determinar suas características probióticas e antioxidantes através de testes in vitro. Após reativação de 75 isolados da coleção de lacotbacilos da Universidade do Oeste de Santa Catarina- UNOESC, 19 foram selecionados a partir do cromógeno X-gal com a maior capacidade de produção enzimática. Ao determinar a atividade enzimática sobre o substrato ONPG os isolados 14, 8 e 39L foram os que mais expressaram a enzima em 24h com mensurações de 0,044±0,003 U/mL, 0,066±0,003 U/mL e 0,037±0,003 U/mL respectivamente. Em relação a sobrevivência em pH ácido após 2h de incubação, o isolado 8 apresentou viabilidade de 13,5±2,96% em pH2 e, juntamente com os isolados 14, 8.1 e LB, apresentaram-se viáveis em pH3 cerca de 16%, 31%, 50,7% e 53% respectivamente. Todos os isolados mantiveram-se ativos em concentrações baixas de sais biliares variando de 75% para a concentração de 0,25% para 41% na concentração de 0,5% e foram capazes de inibir ao menos três possíveis patógenos intestinais. A análise do ensaio de hidrofobicidade permitiu-nos concluir que o isolado 14 obteve atividade de 27,93% de aderência ao xileno igualando-se estatisticamente ao isolado 25J com 29,95% de atividade. Quando diz respeito as características de segurança, nenhum isolado apresentou atividade hemolítica, porém os isolados 14, 8, 8.1, LB e 39L apresentaram resistência ao antimicrobiano ciprofloxacin, o isolado 25J à ceftazidima, enquanto os isolados 8 e 39L apresentaram subpopulação resistente para este mesmo antimicrobiano e o isolado 39L apresentou a mesma característica para penicilina. Ao observar as características antioxidantes, todos os isolados desempenharam a mesma atividade de inibição do radical DPPH, cerca de 5,39±2,36% enquanto apresentaram satisfatória e variável inibição da auto-oxidação do ascorbato. No presente estudo, de um modo geral, todos os isolados analisados apresentaram benefícios distintos não sendo possível a determinação de apenas uma cultura para aplicações em probiose.Sul-1application/pdfapplication/pdfporUniversidade do Oeste de Santa CatarinaPrograma de Pós-Graduação em Ciência e BiotecnologiaBrasilUniversidade do Oeste de Santa CatarinaFunctional foodsLactobacilliβ-galactosidase enzymatic activityIndustrial microbiologyCiências BiológicasBiotecnologiaBiotecnologia IndustrialAnalysis of the probiotic and antioxidant potential of β-galactosidase-producing LactobacilliAnálise do potencial probiótico e antioxidante de lactobacilos produtores de β – galactosidaseinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Repositório Comum do Brasil - Depositainstname:Instituto Brasileiro de Informação em Ciência e Tecnologia (Ibict)instacron:IBICTTEXTDISSERTAÇÃO FINAL.pdf.txtWritten by FormatFilter org.dspace.app.mediafilter.TikaTextExtractionFilter on 2025-06-06T20:16:14Z (GMT).Extracted texttext/plain102946https://deposita.ibict.br/bitstreams/a296f6a8-bf10-42ca-8ef5-369303d7b06a/downloadc51b2db31da07a1ed4488ad267e614cbMD53falseAnonymousREADTHUMBNAILDISSERTAÇÃO FINAL.pdf.jpgWritten by FormatFilter org.dspace.app.mediafilter.PDFBoxThumbnail on 2025-06-06T20:16:14Z (GMT).Generated Thumbnailimage/jpeg2606https://deposita.ibict.br/bitstreams/b2ffec7c-bb33-462f-8362-d6e417f1ec00/download60549eeb425ebf5e54138e0090b73aa8MD54falseAnonymousREADLICENSElicense.txtWritten by org.dspace.content.LicenseUtilstext/plain; charset=utf-81867https://deposita.ibict.br/bitstreams/b4e19b0a-9690-4a37-ba12-be3150254f12/downloada7c148eec59885ba1ba6d14692be8465MD51falseAnonymousREADORIGINALDISSERTAÇÃO FINAL.pdf/dspace/deposita/upload/DISSERTAÇÃO FINAL.pdfDocumento principalapplication/pdf1433145https://deposita.ibict.br/bitstreams/a1021c5a-52b5-42f8-b0e3-3cabaff2bad0/download37004878c8e5e76580e85deadfc58bceMD52trueAnonymousREADdeposita/4812026-03-20T17:40:17.616421Zopen.accessoai:deposita.ibict.br:deposita/481https://deposita.ibict.brRepositório ComumPUBhttp://deposita.ibict.br/oai/requestdeposita@ibict.bropendoar:46582026-03-20T17:40:17Repositório Comum do Brasil - Deposita - Instituto Brasileiro de Informação em Ciência e Tecnologia (Ibict)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 |
| spellingShingle | Analysis of the probiotic and antioxidant potential of β-galactosidase-producing Lactobacilli Bellaver, Emyr Hiago Functional foods Lactobacilli β-galactosidase enzymatic activity Industrial microbiology Ciências Biológicas Biotecnologia Biotecnologia Industrial |
| status_str | publishedVersion |
| title | Analysis of the probiotic and antioxidant potential of β-galactosidase-producing Lactobacilli |
| title_full | Analysis of the probiotic and antioxidant potential of β-galactosidase-producing Lactobacilli |
| title_fullStr | Analysis of the probiotic and antioxidant potential of β-galactosidase-producing Lactobacilli |
| title_full_unstemmed | Analysis of the probiotic and antioxidant potential of β-galactosidase-producing Lactobacilli |
| title_short | Analysis of the probiotic and antioxidant potential of β-galactosidase-producing Lactobacilli |
| title_sort | Analysis of the probiotic and antioxidant potential of β-galactosidase-producing Lactobacilli |
| topic | Functional foods Lactobacilli β-galactosidase enzymatic activity Industrial microbiology Ciências Biológicas Biotecnologia Biotecnologia Industrial |
| url | https://deposita.ibict.br/handle/deposita/481 |