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| Registros recuperados: 121 | |
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| Moretti,Celso Luiz; Araújo,Alessandra L.; Marouelli,Waldir Aparecido; Silva,Washington Luiz C.. |
| Tomato (Lycopersicon esculentum Mill.) fruits, cv. Santa Clara, were harvested at the breaker stage from commercial fields in Brazlândia, Brazil, to investigate the ability of 1-methylcyclopropene (1-MCP) to retard tomato fruit ripening. Fruit without external blemishes were graded for size (diameter = 80±5 mm) and mass (m = 130±10 g), placed inside hermetically sealed boxes, and 1-MCP was applied for 12 hours (T = 22±1°C; RH = 80-85%) at four different concentrations: 0 (control), 250, 500 and 1000 mL.L-1. Fruits were held at ambient conditions (T = 23±2°C; RH 80-85%) for 2 days and then stored inside a cold room (T = 20±1°C; RH = 85-95%). Every 3 days, during a 15-day period, fruits were analyzed for firmness, total soluble solids, titratable acidity,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lycopersicon esculentum; Acidity; Color; Carotenoids; Ethylene; Firmness; Postharvest. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362002000400030 |
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| Oliveira,Vanuze Costa de; Faquin,Valdemar; Guimarães,Karina Carvalho; Andrade,Fabrício Ribeiro; Pereira,Joelma; Guilherme,Luiz Roberto Guimarães. |
| ABSTRACT The selenium (Se) is essential for human metabolism, but a large part of the world’s population has deficiency in this element. This can be reversed by the consumption of biofortified foods, given that plants can efficiently act in controlling excessive and/or accidental consumption of an element that can occur in humans through the use of dietary supplements. The objective of this study was to evaluate the effect of different application forms and sources of Se in the growth, production, nutrition, physical-chemical characteristics, content and accumulation of Se in carrots. The experiment was conducted under greenhouse conditions, using pots containing 4 dm3 of Red-yellow Latosol. A completely randomized design was used in a 2x2x2 factorial... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Daucus carota Lam; Selenate; Selenite; Maturation index; Carotenoids. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542018000200138 |
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| NASCIMENTO,NARA RÚBIA RODRIGUES DO; ALVES,ALINE MEDEIROS; SILVA,MARA REIS; NAVES,MARIA MARGARETH VELOSO. |
| ABSTRACT Pequi (Caryocar brasiliense Camb.) pulp is rich in bioactive compounds. However, seasonality and perishability limit its availability in the market. This work aimed to determine the physicochemical characteristics, including phenolic compounds and carotenoid concentrations, as well as the antioxidant capacity of lyophilized pequi pulp during storage in various packaging materials for 180 days. Pequi fruits were pulped, ground, freeze-dried and then vacuum packaged in transparent polyethylene (TP), polyethylene coated by aluminum foil (PA) and laminated foil (LA), respectively. The samples were stored under controlled temperature, humidity and luminosity. Proximate composition, phenolic compounds and carotenoids concentrations, and antioxidant... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antioxidants; Carotenoids; Caryocar brasiliense; Cerrado; Pequi. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000100901 |
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| OLIVEIRA, R. G. A.; CARVALHO, M. J. L. de; NUTTI, R. M.; CARVALHO, L. V. J. de; FUKUDA, W. G.. |
| The assessment of the variability of total carotenoid, ß-carotene, all-E, and 13 and 9-Z-ß-carotene isomers in twelve bitter yellow cassava was carried out, as well its degradation in five varieties after flour processing and during storage. HPLC and UV/ visible spectrophotometry were used in sample analyses. Varieties of bitter yellow cassava presented variation in the total carotenoid contents from 1.97 - 16.33 ?g/ bg and the ß-carotene contents varied from 1.37 - 7.66?g/ g. The 13, 9-Z and all-E-ß-carotene isomers were found in all varieties, being all-E-ß-carotene the predominant one. The mean degradation among the roots after processing was of 50%. Total carotenoid complete degradation was observed with less than 30 storage days. It was also observed... |
| Tipo: Separatas |
Palavras-chave: Beta-caroteno.; Carotenoide; Farinha; Mandioca.; Cassava; Carotenoids; Beta-carotene. |
| Ano: 2010 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/867948 |
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| Carvalho,Lucia Maria Jaeger de; Smiderle,Lara de Azevedo Sarmet Moreira; Carvalho,José Luiz Viana de; Cardoso,Flavio de Souza Neves; Koblitz,Maria Gabriela Bello. |
| Carotenoids have antioxidant activity, but few are converted by the body into retinol, the active form of vitamin A. Among the 600 carotenoids with pro-vitamin A activity, the most common are α- and β-carotene. These carotenoids are susceptible to degradation (e.g., isomerization and oxidation) during cooking. The aim of this study was to assess the total carotenoid, α- and β-carotene, and 9 and 13-Z- β-carotene isomer contents in C. moschata after different cooking processes. The raw pumpkin samples contained 236.10, 172.20, 39.95, 3.64 and 0.8610 µg.g- 1 of total carotenoids, β-carotene, α-carotene, 13-cis-β-carotene, and 9-Z-β-carotene, respectively. The samples cooked in boiling water contained 258.50, 184.80, 43.97, 6.80, and 0.77 µg.g- 1 of total... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pro-vitamin A; Carotenoids; Pumpkin landraces; C. moschata; Pumpkin meals; Α-carotene; Β-carotene; Β-carotene isomers. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612014000200022 |
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| WANG,Y.; YU,J.; ZHOU,B.; SAPKOTA,S.; WEI,F.; WANG,Z.. |
| ABSTRACT: The effect of atrazine, mesotrione, and joint activity of atrazine plus mesotrione on pigment, lipid peroxidation, and antioxidant enzyme activity was studied. Atrazine and mesotrione treatments significantly reduced chlorophyll a (Chl a), chlorophyll b (Chl b), carotenoid concentrations, and protein content in bermudagrass (Cynodon dactylon L.) plants, whereas they significantly enhanced lipid peroxidation. The treatment of atrazine plus mesotrione caused greater phototoxic effect on bermudagrass than either herbicide alone, which was evident from the significantly decreased membrane stability noted as a function of the enhanced singlet oxygen and malondialdehyde (MDA) contents, as well as from the greater reduction in Chl a, Chl b, and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antioxidant; Carotenoids; Herbicide; Reactive oxygen species. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100337 |
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| SILVEIRA, S. M. da; OLIVEIRA, L. A. de; SANTOS, V. da S.; SANTOS, W. de J.; SANTOS, A. de O.; CARVALHO, J. L. V. de. |
| A mandioca é um alimento tipicamente brasileiro, sendo consumida pelos índios muito antes da chegada dos portugueses. Por ser de fácil cultivo e ter bom rendimento, a produção da mandioca é elevada em todo o território nacional, sendo um produto agrícola de grande relevância econômica (FOLEGATTI et al., 2005). A raiz da mandioca constitui uma das principais fontes de carboidratos de uma parte significativa da população de baixa renda no Brasil. Seu consumo ocorre tanto por meio da compra do produto e de seus derivados quanto pela produção doméstica (CARDOSO, 2003). Além da atividade pró-vitamínica A de alguns carotenoides, uma alimentação rica nesses pigmentos naturais está associada à prevenção de alguns tipos de câncer e degeneração macular (SENTANIN,... |
| Tipo: Separatas |
Palavras-chave: Mandioca; Carotenoide; Pigmento; Vitamina A; Cassava; Carotenoids; Vitamin A. |
| Ano: 2013 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/981303 |
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| SILVEIRA, S. M. da; OLIVEIRA, L. A. de; SANTOS, V. da S.; SANTOS, W. de J.; SANTOS, A. de O.; CARVALHO, J. L. V. de. |
| A mandioca é um alimento tipicamente brasileiro, sendo consumida pelos índios muito antes da chegada dos portugueses. Por ser de fácil cultivo e ter bom rendimento, a produção da mandioca é elevada em todo o território nacional, sendo um produto agrícola de grande relevância econômica (FOLEGATTI et al., 2005). A raiz da mandioca constitui uma das principais fontes de carboidratos de uma parte significativa da população de baixa renda no Brasil. Seu consumo ocorre tanto por meio da compra do produto e de seus derivados quanto pela produção doméstica (CARDOSO, 2003). Além da atividade pró-vitamínica A de alguns carotenoides, uma alimentação rica nesses pigmentos naturais está associada à prevenção de alguns tipos de câncer e degeneração macular (SENTANIN,... |
| Tipo: Parte de livro |
Palavras-chave: Mandioca; Carotenoide; Pigmento; Vitamina A; Cassava; Carotenoids; Vitamin A. |
| Ano: 2013 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/977449 |
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| SANTOS, A. de O.; FIUZA, A. U. R.; OLIVEIRA, L. A. de; SANTANA, H. M.; SANTOS, V. da S.; OLIVEIRA, E. J. de. |
| A mandioca possui elevada importância social para os países em desenvolvimento devido à sua ampla utilização. É uma das culturas mais importantes na alimentação humana, principalmente para a população de menor poder aquisitivo (LEONEL & CEREDA, 2002). Os carotenoides são importantes como fonte de vitamina A, pela sua ação antioxidante e por atuarem na prevenção de doenças crônicas não transmissíveis. A carência da vitamina A pode causar a morte em milhares de crianças no mundo e constitui-se como um dos principais problemas nutricionais de populações de países em desenvolvimento, incluindo o Brasil (AMANCIO & SILVA, 2012). O objetivo deste trabalho foi avaliar três clones de mandioca em seis épocas de colheita (6 a 11 meses), com relação aos teores... |
| Tipo: Parte de livro |
Palavras-chave: Mandioca; Carotenoide; Amilose; Cassava; Carotenoids; Amylose. |
| Ano: 2013 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/976277 |
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| SILVEIRA, S. M. da; OLIVEIRA, L. A. de; SANTOS, V. da S.; SANTOS, W. de J.; SANTOS, A. de O.; CARVALHO, J. L. V. de. |
| A mandioca de mesa, também conhecida como mandioca mansa, doce, aipim ou macaxeira, é um dos alimentos preferenciais na mesa do brasileiro, principalmente nas Regiões Sudeste, Centro-Oeste e Nordeste (BORGES et al., 2002). Porém, o teor de compostos cianogênicos é um fator limitante para consumo das raízes utilizadas no preparo doméstico. Algumas variedades apresentam em sua composição química carotenoides, que podem ser precursores da vitamina A. Esses compostos são responsáveis pela coloração amarela da raiz, além de possuírem propriedades nutricionais, tais como: aumento da resposta imune e redução do risco de doenças degenerativas (SENTANIN & RODRIGUES-AMAYA, 2007). A farinha de raspa é constituída por pedaços ou fatias de mandioca desidratadas e... |
| Tipo: Parte de livro |
Palavras-chave: Mandioca; Carotenoide; Pigmento; Cassava; Carotenoids; Pigments. |
| Ano: 2013 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/977450 |
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| Silva,Fernanda Vanessa Gomes da; Silva,Silvanda de Melo; Silva,Gerciane Cabral da; Mendonça,Rejane Maria Nunes; Alves,Ricardo Elesbão; Dantas,Ana Lima. |
| Yellow mombin is a fruit tree that grows spontaneously in the Semi-Arid Northeastern Brazil. Its fruits are still extractively exploited. The pulp of yellow mombin fruit stands out regarding the commercial aspect due to the characteristic flavor and aroma felt when consumed in diverse ways. This study aimed to evaluate the presence of bioactive compounds, total extractable polyphenols, and antioxidant activity of yellow mombin fruits (Spondias mombin, L.), from clone and ungrafted genotypes. The fruits were harvested at commercial maturity from twelve yellow mombin tree genotypes from an experimental orchard located at the municipality of Joao Pessoa, Paraíba, Brazil, and evaluated for chlorophyll, carotenoids, yellow flavonoids, total extractable... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Spondias mombin L.; Carotenoids; Polyphenols; Yellow flavonoids; Inhibition of oxidation; Plant breeding. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612012000400008 |
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| FERREIRA,ESTER ALICE; SIQUEIRA,HELOISA ELIAS; BOAS,EDUARDO VALERIO VILAS; HERMES,VANESSA STAHL; RIOS,ALESSANDRO DE OLIVEIRA. |
| ABSTRACT Pineapple is widely consumed and appreciated not only due to its taste and aroma, and also to its nutritional, functional and antioxidant properties, including its vitamin C and carotenoid contents. Brazil is one of the largest world’ pineapple producer, and Pérola and Smooth Cayenne cultivars are the most commonly grown and marketed, but their susceptibility to fusariosis can compromise cultivation. New cultivars resistant to this pathogen are available to meet the demands of pineapple producers and consumers. The aim of this study was to evaluate the content of bioactive compounds and antioxidant activity of pineapple fruits of Imperial, Victoria, IAC Fantástico and Gomo de Mel cultivars, as well as traditional Pérola and Smooth Cayenne... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ananas comosuse; Fusariosis; Vitamin C; Phenolics; Carotenoids. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452016000300801 |
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| Moreira-Araújo,Regilda Saraiva dos Reis; Barros,Nara Vanessa dos Anjos; Porto,Rayssa Gabriela Costa Lima; Brandão,Amanda de Castro Amorim Serpa; Lima,Alessandro de; Fett,Roseane. |
| Abstract The aim of this study was to determine the content of bioactive compounds and antioxidant activity present in three fruit species from the Brazilian Cerrado: carnauba (Copernicia prunifera (Mill.) H.E. Moore), murici (Byrsonima crassifolia L. Rich)and oiti (Licania tomentosa (Benth) Fritsch). Among analyzed fruits, oiti showed the highest total phenolic content (1236.42 ± 34.06 mg GAE 100 g-1) followed by murici (468.90 ± 27.30 mg GAE 100 g-1) and carnauba (314.44 ± 9.50 mg GAE 100 g-1). Regarding the antioxidant activity, murici showed 4350.31 ± 1.85 µmol TEAC.100 g-1 and oiti showed 14721.69 ± 0.85 µmol TEAC.100 g-1. In addition, high content of anthocyanins was verified in carnauba (9.35 ± 0.00 mg-cy-3-glu.100 g-1), as well as carotenoids... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antioxidants; Anthocyanins; Carotenoids; Phenolic compounds; Cerrado. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452019000300901 |
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| Lopes,Mônica Maria de Almeida; Miranda,Maria Raquel Alcântara de; Moura,Carlos Farley Herbster; Enéas Filho,Joaquim. |
| Lately, tropical fruit consumption has increased due to a higher knowledge of its nutritional and therapeutic value. The aim of this work was to evaluate the antioxidant potential of cashew apples from different early dwarf clones during their ripening. The clones analyzed included: CCP 76, CCP 09, BRS 189 and BRS 265 in seven ripening stages. They were analyzed for vitamin C, total carotenoid, total anthocyanin, yellow flavonoids and polyphenol content and total antioxidant capacity. Clone BRS 265 ripe cashew apple presented the highest vitamin C content (279.37 mg x 100 g-1). The ripe BRS 189 cashew apple is colored bright red, and its total anthocyanin content was the highest (21.16 mg x 100 g-1). The yellow flavonoids content was higher for ripe CCP 76... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Polyphenols; ABTS; Vitamin C; Carotenoids; Food analysis. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542012000300008 |
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| GONÇALVES,NIGÉRIA PEREIRA; LUCENA,ELISEU MARLÔNIO PEREIRA DE; BONILLA,ORIEL HERRERA; SILVEIRA,MÁRCIA RÉGIA SOUZA DA; TAVARES,FRANCISCA JÉSSICA COSTA. |
| ABSTRACT Fruits provide not only essential nutrients for food, but also bioactive compounds that promote health benefits and help reducing the risk of developing non-communicable chronic diseases. In this sense, this work aimed at quantifying bioactive compounds during the maturation of four fruits native to the Restinga forest of Ceara. Myrtle fruits (Eugenia punicifolia (Kunth) DC.) were collected at the Botanical State Park of Ceara, Caucaia-CE, and guajiru (Chrisobalanus icaco L.), manipuça (Mouriri cearensis Huber) and murici-pitanga fruits (Byrsonima gardneriana A. Juss.) at the Botanical Garden of São Gonçalo, São Gonçalo do Amarante-CE. Fruits were collected at different stages (E) and transported to the Laboratory of Plant Ecophysiology, being... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ascorbic acid; Chlorophyll; Carotenoids; Anthocyanins; Yellow flavonoids. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000500303 |
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| BRAGA, E. C. DE O.; PACHECO, S.; SANTIAGO, M. C. P. de A.; GODOY, R. L. de O.; JESUS, M. S. C. de; MARTINS, V. DE C.; SOUZA, M. DA C.; PORTE, A.; BORGUINI, R. G.. |
| This work aimed to characterize some of the bioactive compounds of Eugenia punicifolia (Kunth) DC. fruit to enhance the knowledge of its functional potential. Ripe fruits were collected from the restinga of Maricá, in the state of Rio de Janeiro (RJ), Brazil. Bioactive compounds were analyzed by High Performance Liquid Chromatography (HPLC). Ascorbic acid (74.14 mg 100-1 g-1), lycopene (504 µg g-1) and total carotenoids (632 µg g-1) contents were superior to other fruits rich in these compounds. In fact, E. punicifolia fruits are an excellent source of carotenoids and can be considered a good source of ascorbic acid (vitamin C). Furthermore, its chemical composition has presented phenolic compounds like gallic acid and anthocyanins. Thus, this... |
| Tipo: Artigo de periódico |
Palavras-chave: HPLC PDA; Ácido fenólico; Ácido ascórbico; Licopeno; CLAE DAD; Myrtaceae; Carotenóide; Pigmento; Carotenoids; Phenolic acids; Ascorbic acid; Lycopene; Pigments. |
| Ano: 2023 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1154643 |
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| Registros recuperados: 121 | |
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