Carotene and provitamin A content of vegetables sold in Viçosa, MG, Brazil, during spring and winter
This study investigated the α- and β-carotene content and provitamin A value of four leafy vegetables sold at local and street markets in Viçosa, MG, Brazil, in the spring and winter of 2002. Carotenoids were analyzed by high-performance liquid chromatography. α-Carotene w...
Main Authors: | , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Universidade de São Paulo
2009-09-01
|
Series: | Brazilian Journal of Pharmaceutical Sciences |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502009000300019 |
id |
doaj-5efea488a8b74ee29c096ba51ab47893 |
---|---|
record_format |
Article |
spelling |
doaj-5efea488a8b74ee29c096ba51ab478932020-11-24T21:52:09ZengUniversidade de São PauloBrazilian Journal of Pharmaceutical Sciences1984-82502175-97902009-09-0145352753710.1590/S1984-82502009000300019Carotene and provitamin A content of vegetables sold in Viçosa, MG, Brazil, during spring and winterPollyanna Costa CardosoCeres Mattos Della LuciaPaulo César StringhetaJosé Benício Paes ChavesHelena Maria Pinheiro-Sant'AnaThis study investigated the α- and β-carotene content and provitamin A value of four leafy vegetables sold at local and street markets in Viçosa, MG, Brazil, in the spring and winter of 2002. Carotenoids were analyzed by high-performance liquid chromatography. α-Carotene was detected in all samples sold during spring, but was only present in a few samples of smooth and curly lettuce and kale in winter. β-Carotene was found in marked quantities in all leafy vegetables analyzed. Duncan's test (α = 5%) showed significantly higher α-carotene content in curly lettuce and vitamin A value in large-leaved watercress in the spring. Mean β-carotene content and vitamin A value were 7544, 8751, 2584, 2792, 8193, and 5338 μg/100 g and 666, 760, 227, 238, 698, and 460 μg RAE/100 g in large-leaved and hydroponic watercress, smooth and curly lettuce, kale and spinach, respectively. All leafy vegetables analyzed represent important sources of provitamin A and supply an important part of the daily requirements of children and adults.<br>Investigou-se o conteúdo de α e β-caroteno e avaliou-se o valor pro-vitamínico A de quatro hortaliças folhosas comercializadas em mercados locais e feira- livre de Viçosa, MG durante a primavera e o inverno de 2002. Os carotenóides foram analisados por Cromatografia Líquida de Alta Eficiência (CLAE). O α-caroteno foi detectado em todas as amostras analisadas na primavera, porém no inverno, somente algumas amostras de alface crespa e lisa, e couve apresentaram tal carotenóide. O β-caroteno foi encontrado, em quantidades apreciáveis, em todas as hortaliças folhosas analisadas. O teste de Duncan (α=5%) detectou que o conteúdo de α-caroteno em alface crespa e o valor de vitamina A em agrião de folha larga foram estatisticamente superiores na primavera. Os teores médios de β-caroteno e de valor de vitamina A para agrião de folha larga e hidropônico, alface crespa e lisa, couve e espinafre foram: 7544; 8751; 2584; 2792; 8193; 5338 μg/100g e 666; 760; 227; 238; 698; 460 μg RAE/100g, respectivamente. Todas as hortaliças folhosas analisadas constituem importantes fontes de provitamina A e suprem grande parte das recomendações diárias de crianças e adultos.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502009000300019α-carotenoβ-carotenoHortaliças folhosasPró-vitamina Aα-Caroteneβ-CaroteneLeafy vegetablesProvitamin A |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Pollyanna Costa Cardoso Ceres Mattos Della Lucia Paulo César Stringheta José Benício Paes Chaves Helena Maria Pinheiro-Sant'Ana |
spellingShingle |
Pollyanna Costa Cardoso Ceres Mattos Della Lucia Paulo César Stringheta José Benício Paes Chaves Helena Maria Pinheiro-Sant'Ana Carotene and provitamin A content of vegetables sold in Viçosa, MG, Brazil, during spring and winter Brazilian Journal of Pharmaceutical Sciences α-caroteno β-caroteno Hortaliças folhosas Pró-vitamina A α-Carotene β-Carotene Leafy vegetables Provitamin A |
author_facet |
Pollyanna Costa Cardoso Ceres Mattos Della Lucia Paulo César Stringheta José Benício Paes Chaves Helena Maria Pinheiro-Sant'Ana |
author_sort |
Pollyanna Costa Cardoso |
title |
Carotene and provitamin A content of vegetables sold in Viçosa, MG, Brazil, during spring and winter |
title_short |
Carotene and provitamin A content of vegetables sold in Viçosa, MG, Brazil, during spring and winter |
title_full |
Carotene and provitamin A content of vegetables sold in Viçosa, MG, Brazil, during spring and winter |
title_fullStr |
Carotene and provitamin A content of vegetables sold in Viçosa, MG, Brazil, during spring and winter |
title_full_unstemmed |
Carotene and provitamin A content of vegetables sold in Viçosa, MG, Brazil, during spring and winter |
title_sort |
carotene and provitamin a content of vegetables sold in viçosa, mg, brazil, during spring and winter |
publisher |
Universidade de São Paulo |
series |
Brazilian Journal of Pharmaceutical Sciences |
issn |
1984-8250 2175-9790 |
publishDate |
2009-09-01 |
description |
This study investigated the α- and β-carotene content and provitamin A value of four leafy vegetables sold at local and street markets in Viçosa, MG, Brazil, in the spring and winter of 2002. Carotenoids were analyzed by high-performance liquid chromatography. α-Carotene was detected in all samples sold during spring, but was only present in a few samples of smooth and curly lettuce and kale in winter. β-Carotene was found in marked quantities in all leafy vegetables analyzed. Duncan's test (α = 5%) showed significantly higher α-carotene content in curly lettuce and vitamin A value in large-leaved watercress in the spring. Mean β-carotene content and vitamin A value were 7544, 8751, 2584, 2792, 8193, and 5338 μg/100 g and 666, 760, 227, 238, 698, and 460 μg RAE/100 g in large-leaved and hydroponic watercress, smooth and curly lettuce, kale and spinach, respectively. All leafy vegetables analyzed represent important sources of provitamin A and supply an important part of the daily requirements of children and adults.<br>Investigou-se o conteúdo de α e β-caroteno e avaliou-se o valor pro-vitamínico A de quatro hortaliças folhosas comercializadas em mercados locais e feira- livre de Viçosa, MG durante a primavera e o inverno de 2002. Os carotenóides foram analisados por Cromatografia Líquida de Alta Eficiência (CLAE). O α-caroteno foi detectado em todas as amostras analisadas na primavera, porém no inverno, somente algumas amostras de alface crespa e lisa, e couve apresentaram tal carotenóide. O β-caroteno foi encontrado, em quantidades apreciáveis, em todas as hortaliças folhosas analisadas. O teste de Duncan (α=5%) detectou que o conteúdo de α-caroteno em alface crespa e o valor de vitamina A em agrião de folha larga foram estatisticamente superiores na primavera. Os teores médios de β-caroteno e de valor de vitamina A para agrião de folha larga e hidropônico, alface crespa e lisa, couve e espinafre foram: 7544; 8751; 2584; 2792; 8193; 5338 μg/100g e 666; 760; 227; 238; 698; 460 μg RAE/100g, respectivamente. Todas as hortaliças folhosas analisadas constituem importantes fontes de provitamina A e suprem grande parte das recomendações diárias de crianças e adultos. |
topic |
α-caroteno β-caroteno Hortaliças folhosas Pró-vitamina A α-Carotene β-Carotene Leafy vegetables Provitamin A |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502009000300019 |
work_keys_str_mv |
AT pollyannacostacardoso caroteneandprovitaminacontentofvegetablessoldinvicosamgbrazilduringspringandwinter AT ceresmattosdellalucia caroteneandprovitaminacontentofvegetablessoldinvicosamgbrazilduringspringandwinter AT paulocesarstringheta caroteneandprovitaminacontentofvegetablessoldinvicosamgbrazilduringspringandwinter AT josebeniciopaeschaves caroteneandprovitaminacontentofvegetablessoldinvicosamgbrazilduringspringandwinter AT helenamariapinheirosantana caroteneandprovitaminacontentofvegetablessoldinvicosamgbrazilduringspringandwinter |
_version_ |
1725876525568360448 |