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Changes in potato tuber sugar metabolism in response to natural sprout suppressive compounds Agronomy
Santos, Mirelle Nayana de Sousa; Araujo, Fernanda Ferreira de; Lima, Paula Cristina Carvalho; Costa, Lucas Cavalcante da; Finger, Fernando Luiz.
The increased demand for potato by the Brazilian processing industry requires long term refrigerated storage, but after a few months, natural dormancy ends, and sprouts start to grow. Thus, sprout inhibitors are necessary to reduce the rate of growth and allow further storage. The purpose of research described here was to determine the effects clove and menthol essential oils have on the inhibition of sprout growth in non-dormant ‘Asterix’ tubers. Both eugenol and menthol treatments reduced the rate of sprout growth during storage at 8oC for up to 50 days. Eugenol and menthol essential oils diminished the rate of accumulation of reducing sugar, which are responsible for browning of French fries. Color after frying was within acceptable levels when the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum tuberosum L.; Clove oil; Menthol; Reducing sugars. Manejo e praticas culturais.
Ano: 2019 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/43234
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Lipid peroxidation and antioxidant enzymes of Jatropha curcas L. seeds stored at different maturity stages Agronomy
Silva, Laércio Junio da; Dias, Denise Cunha Fernandes dos Santos; Sekita, Marcelo Coelho; Finger, Fernando Luiz.
 The objective of the present work was to investigate the antioxidant enzyme activities and the occurrence of lipid peroxidation during storage of J. curcas seeds obtained from fruits at different maturity stages. Seeds extracted from fruits collected at three stages of maturity were used, i.e., yellow, brownish-yellow, and brown (dry fruits). The seeds were subsequently stored for 18 months in Kraft paper bags in a laboratory environment. Initially as well as every three months, the seeds were evaluated for germination and electrical conductivity, and the seed embryos were evaluated for lipid peroxidation; protein content; and superoxide dismutase, peroxidase, and ascorbate peroxidase enzyme activity at the same time points. In general, the seeds from the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.01.03.03-2 physic nut; Seed maturation and deterioration; Enzyme activity; Malondialdehyde content. Produção e Beneficiamento de Sementes.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/34978
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Lipid peroxidation and antioxidant enzymes of Jatropha curcas L. seeds stored at different maturity stages Agronomy
Silva, Laércio Junio da; Dias, Denise Cunha Fernandes dos Santos; Sekita, Marcelo Coelho; Finger, Fernando Luiz.
 The objective of the present work was to investigate the antioxidant enzyme activities and the occurrence of lipid peroxidation during storage of J. curcas seeds obtained from fruits at different maturity stages. Seeds extracted from fruits collected at three stages of maturity were used, i.e., yellow, brownish-yellow, and brown (dry fruits). The seeds were subsequently stored for 18 months in Kraft paper bags in a laboratory environment. Initially as well as every three months, the seeds were evaluated for germination and electrical conductivity, and the seed embryos were evaluated for lipid peroxidation; protein content; and superoxide dismutase, peroxidase, and ascorbate peroxidase enzyme activity at the same time points. In general, the seeds from the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Physic nut; Seed maturation and deterioration; Enzyme activity; Malondialdehyde content.; Produção e Beneficiamento de Sementes.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/34978
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