Atividade antioxidante de frutas do cerrado

Roesler, Roberta; Malta, Luciana Gomes; Carrasco, Luciana Cristina; Holanda, Roseane Barata; Sousa, Clélia Alves Socorro; Pastore, Gláucia Maria

doi:10.1590/s0101-20612007000100010

Cited by 324 publications

(260 citation statements)

References 28 publications

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“…Foram preparados extratos aquosos com 10 gramas de polpa fresca e dissolvidos em metanol para uma concentração de sólidos de 3 mg.mL -1 , seguindo metodologia descrita em Roesler et al (2007). Na determinação dos fenóis totais, os extratos metanólicos foram submetidos à reação colorimétrica descrita por Swain e Hills (1959) a 760 nm, onde os compostos fenólicos presentes na amostra reduzem o reagente de Folin-Ciocalteau, formando um complexo azul de coloração intensa.…”

Section: Methodsunclassified

Conservação pós-colheita de guavira (Campomanesia sp.)

Campos¹,

Hiane

Ramos

et al. 2012

Rev. Bras. Frutic.

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RESUMO -Este trabalho foi realizado com o objetivo de avaliar a conservação pós-colheita de guavira (Campomanesia sp.), em função da utilização de 1-MCP e de atmosfera modificada passiva, além do armazenamento à temperatura ambiente e a 11°C. Os frutos foram colhidos no ponto de maturidade fisiológica, subdivididos em parcelas e submetidos à aplicação de 1-Metilciclopropeno (1-MCP) (700 ηL.L -1 /12horas) e à atmosfera modificada passiva por meio do uso de embalagem plástica. Foram realizadas análises de perda de massa, sólidos solúveis, acidez titulável, vitamina C, fenóis totais, atividade antioxidante e aparência geral dos frutos. O uso de 1-MCP não reduziu a perda de massa dos frutos, tanto em armazenamento ambiente quanto refrigerado, o que foi verificado com o uso da atmosfera modificada passiva. O armazenamento refrigerado reduziu a perda de massa dos frutos e prolongou a vida útil destes com manutenção dos teores de vitamina C, fenóis totais e atividade antioxidante. Os teores finais de sólidos solúveis e vitamina C dos frutos não apresentaram interferência significativa em relação aos tratamentos utilizados, e os valores de acidez titulável aumentaram ao final do período de armazenamento, com exceção dos frutos tratados com 1-MCP associado com atmosfera modificada e armazenados em ambiente. O uso de 1-MCP e de atmosfera modificada passiva prolongaram a vida útil dos frutos tanto em armazenamento ambiente, quanto refrigerado, com melhor aparência geral dos frutos, principalmente quando associados. Termos para indexação: atmosfera modificada, compostos bioativos, armazenamento refrigerado, 1-MCP. POST-HARVEST CONSERVATION OF GUAVIRA (Campomanesia sp.)ABSTRACT -This study aimed to evaluate the postharvest conservation of guavira (Campomanesia sp.), depending on the use of 1-MCP and modified atmosphere, as well as storage at room temperature and at 11°C. The fruits were harvested at physiological maturity, divided into portions and treated with 1-methylcyclopropene (1-MCP) (700 ηL.L -1 for 12 hours) and modified atmosphere, with plastic packaging. The fruits were submitted to the analysis of weight loss, soluble solids, titratable acidity, vitamin C, total phenols and antioxidant activity and general appearance. The use of 1-MCP did not reduce the fruit weight loss in both ambient and cold storage, which was verified using the modified atmosphere. The cold storage reduced the mass loss of the fruits and extended the shelf life maintaining the levels of vitamin C, total phenolics and antioxidant activity contents. The final concentration of soluble solids and vitamin C of the fruits showed no significant interference in relation to treatments. The titratable acidity values increased during the storage period, with the exception of fruits treated with 1-MCP associated with modified atmosphere and stored in room temperature. The use of 1-MCP and modified atmosphere extended the shelf life of fruits both in storage environment and cold, with a better overall appearance of the fruit, especially when combined.

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Section: Methodsunclassified

Conservação pós-colheita de guavira (Campomanesia sp.)

Campos¹,

Hiane

Ramos

et al. 2012

Rev. Bras. Frutic.

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“…Some native fruits of the Cerrado, such as araticum, buriti, cagaita and pequi are excellent food sources with nutrient levels equivalent to or even higher than those of fruits traditionally consumed by the Brazilian population, for example avocado, banana, and guava (Roesler et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Proteins of Bacuri almonds: nutritional value and in vivo digestibility

Silva¹,

Hiane²,

Neto³

et al. 2014

Food Sci. Technol (Campinas)

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“…This biome contributes significantly to the supply exotic native fruit, which has increased in worldwide interest owing to its nutritional value and unusual flavours (Roesler et al 2007).…”

Section: Introductionmentioning

confidence: 99%

“…The baru (Dipteryx alata Vog) contains an almond (seed) in which proteins predominate (258.1 g/kg), with considerable essential amino acid content (403.2 g/kg of protein). The almond is also high in lipids (419.7 g/kg), with an emphasis on unsaturated fatty acids, especially oleic acid (483.7 g/kg of lipids), as well as fiber, vitamins and minerals (Roesler et al 2007;Correa et al 2008;Fernandes et al 2010;Freitas and Naves 2010).…”

Section: Introductionmentioning

confidence: 99%

Quality of granola prepared with dried caju-do-cerrado (Anacardium othonianum Rizz) and baru almonds (Dipteryx alata Vog)

Souza

Silva

2013

J Food Sci Technol

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The use of Brazilian Cerrado fruits and research into their nutritional potential are important for socioeconomic development and the sustainable preservation of the environment. The use of these fruits in products such as granola encourages the inclusion of healthier and more-natural foods in the diet. This study was undertaken to evaluate acceptability, microbiological, physical and nutritional characteristics and the stability of granola made from dried caju-do-cerrado and baru almonds. Granola containing Cerrado fruits had high levels of protein content (117.4 g/kg), dietary fiber (115.3 g/ kg) and iron (32.1 mg/kg) and had lower moisture (57.0 g/kg), water activity (0.3), sodium (577.7 mg/kg), lipids (150.2 g/kg) and energy value (3952.2 kcal/kg) than did the control. After storage for 100 days, the granola presented adequate microbiological conditions, with acceptability scores higher than 7 assigned by 85.5 % to 95.2 % of the judges and a crunchy texture. The high nutritional potential of granola containing Cerrado fruits, coupled with its stability over 100 days of storage, may contribute to the appreciation and consumption of these fruits and meet the growing demand for healthier, more natural foods.

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Atividade antioxidante de frutas do cerrado

Cited by 324 publications

References 28 publications

Conservação pós-colheita de guavira (Campomanesia sp.)

Conservação pós-colheita de guavira (Campomanesia sp.)

Proteins of Bacuri almonds: nutritional value and in vivo digestibility

Quality of granola prepared with dried caju-do-cerrado (Anacardium othonianum Rizz) and baru almonds (Dipteryx alata Vog)

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