Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging - DOI: 10.4025/actascitechnol.v29i2.580
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Acta scientiarum. Technology (Online) |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/580 |
Resumo: | . Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging. Samples of orange nectar in aseptic packaging were stored in controlled room temperature (25°C) and in a refrigerator (4°C). For eight weeks, analyses of vitamin C, Brix and acidity were conducted as the packages were opened, and their residual products were further analyzed during a period of four days stored in a refrigerator. By using statistical models from the results found, it was concluded that storage temperature influences the quantity of vitamin C in orange nectar. There was a significant decrease in vitamin C concentration in nectar, but storage temperature does not influence acidity or Brix. Storage time does influence vitamin C, Brix and acidity. It was concluded that after eight weeks of storage and four days of opening the package, the amount of vitamin C in a 200 mL glass of orange nectar is enough to supply the average needed daily intake (60 mg) of vitamin C for an adult. |
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Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging - DOI: 10.4025/actascitechnol.v29i2.580Variação da concentração de vitamina C, ºBrix e acidez em néctar de laranja em embalagens cartonadas - DOI: 10.4025/actascitechnol.v29i2.580vitamina Cnéctar de laranjaembalagens cartonadas1.00.00.00-3 Ciências Exatas e da Terra. Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging. Samples of orange nectar in aseptic packaging were stored in controlled room temperature (25°C) and in a refrigerator (4°C). For eight weeks, analyses of vitamin C, Brix and acidity were conducted as the packages were opened, and their residual products were further analyzed during a period of four days stored in a refrigerator. By using statistical models from the results found, it was concluded that storage temperature influences the quantity of vitamin C in orange nectar. There was a significant decrease in vitamin C concentration in nectar, but storage temperature does not influence acidity or Brix. Storage time does influence vitamin C, Brix and acidity. It was concluded that after eight weeks of storage and four days of opening the package, the amount of vitamin C in a 200 mL glass of orange nectar is enough to supply the average needed daily intake (60 mg) of vitamin C for an adult.Amostras de néctar de laranja, acondicionadas em embalagens cartonadas, foram armazenadas em local climatizado (25°C) e em refrigerador (4°C). Durante oito semanas, análises de vitamina C, Brix e acidez foram realizadas no momento da abertura da embalagem, e seu produto residual foi ainda analisado durante quatro dias de estocagem em refrigerador. Analisando-se os resultados das variáveis por métodos estatísticos, observou-se que a temperatura de armazenagem influencia a quantidade de vitamina C do néctar de laranja. Ocorre decréscimo significativo na concentração de vitamina C, mas não há influência da temperatura de armazenagem no Brix e acidez do produto. O tempo de armazenamento influencia vitamina C, Brix e acidez. Constata-se, ainda, que após oito semanas de estocagem e quatro dias de abertura da embalagem a quantidade de vitamina C, em um copo de 200 mL do néctar de laranja estudado, supre a necessidade média diária de um adulto (60 mg).Universidade Estadual De Maringá2008-02-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/58010.4025/actascitechnol.v29i2.580Acta Scientiarum. Technology; Vol 29 No 2 (2007); 125-129Acta Scientiarum. Technology; v. 29 n. 2 (2007); 125-1291806-25631807-8664reponame:Acta scientiarum. Technology (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/580/362Oliveira, Telma Lucia deOlivo, José EduardoFerreira, Lívia Rosasinfo:eu-repo/semantics/openAccess2024-05-17T13:02:27Zoai:periodicos.uem.br/ojs:article/580Revistahttps://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/indexPUBhttps://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/oai||actatech@uem.br1807-86641806-2563opendoar:2024-05-17T13:02:27Acta scientiarum. Technology (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging - DOI: 10.4025/actascitechnol.v29i2.580 Variação da concentração de vitamina C, ºBrix e acidez em néctar de laranja em embalagens cartonadas - DOI: 10.4025/actascitechnol.v29i2.580 |
title |
Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging - DOI: 10.4025/actascitechnol.v29i2.580 |
spellingShingle |
Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging - DOI: 10.4025/actascitechnol.v29i2.580 Oliveira, Telma Lucia de vitamina C néctar de laranja embalagens cartonadas 1.00.00.00-3 Ciências Exatas e da Terra |
title_short |
Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging - DOI: 10.4025/actascitechnol.v29i2.580 |
title_full |
Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging - DOI: 10.4025/actascitechnol.v29i2.580 |
title_fullStr |
Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging - DOI: 10.4025/actascitechnol.v29i2.580 |
title_full_unstemmed |
Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging - DOI: 10.4025/actascitechnol.v29i2.580 |
title_sort |
Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging - DOI: 10.4025/actascitechnol.v29i2.580 |
author |
Oliveira, Telma Lucia de |
author_facet |
Oliveira, Telma Lucia de Olivo, José Eduardo Ferreira, Lívia Rosas |
author_role |
author |
author2 |
Olivo, José Eduardo Ferreira, Lívia Rosas |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Oliveira, Telma Lucia de Olivo, José Eduardo Ferreira, Lívia Rosas |
dc.subject.por.fl_str_mv |
vitamina C néctar de laranja embalagens cartonadas 1.00.00.00-3 Ciências Exatas e da Terra |
topic |
vitamina C néctar de laranja embalagens cartonadas 1.00.00.00-3 Ciências Exatas e da Terra |
description |
. Modification of vitamin C concentration, Brix and acidity in orange nectar in aseptic packaging. Samples of orange nectar in aseptic packaging were stored in controlled room temperature (25°C) and in a refrigerator (4°C). For eight weeks, analyses of vitamin C, Brix and acidity were conducted as the packages were opened, and their residual products were further analyzed during a period of four days stored in a refrigerator. By using statistical models from the results found, it was concluded that storage temperature influences the quantity of vitamin C in orange nectar. There was a significant decrease in vitamin C concentration in nectar, but storage temperature does not influence acidity or Brix. Storage time does influence vitamin C, Brix and acidity. It was concluded that after eight weeks of storage and four days of opening the package, the amount of vitamin C in a 200 mL glass of orange nectar is enough to supply the average needed daily intake (60 mg) of vitamin C for an adult. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-02-12 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/580 10.4025/actascitechnol.v29i2.580 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/580 |
identifier_str_mv |
10.4025/actascitechnol.v29i2.580 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/580/362 |
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 Maringá |
publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Technology; Vol 29 No 2 (2007); 125-129 Acta Scientiarum. Technology; v. 29 n. 2 (2007); 125-129 1806-2563 1807-8664 reponame:Acta scientiarum. Technology (Online) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta scientiarum. Technology (Online) |
collection |
Acta scientiarum. Technology (Online) |
repository.name.fl_str_mv |
Acta scientiarum. Technology (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
||actatech@uem.br |
_version_ |
1799315331460628480 |