síntese de clorofilas e glicoalcalóides em tubérculos maduros de batata armazenados à luz natural synthesis of chlorophylls and glycoalkaloids in mature potato tubers stored under natural light
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1985
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Abstract
Foram determinados os teores de clorofílas e glicoalcalóides, bem como de protoclorofila e cloroílas a e b, na porção superficial de tubérculos maduros de batata dos cultivares Aracy (IAC-2), Bintje e Porta, armazenados à luz natural por 24 dias. Verificou-se que os teores dessas substâncias foram dependentes do cultivar, do período de armazenamento e da interação entre essas variáveis. Verificou-se, ainda, haver correlações entre os teores dessas substâncias e o período de armazenamento, bem como entre os teores de clorofilas e glicoalcalóides totais. Os teores de clorofilas e de glicoalcalóides totais podem ser estimados por uma função logística, onde os teores iniciais e finais dessas substâncias são características de cada cultivar, assim como o são suas velocidades de acúmulo líquido.
In matute potato tubers of the cultivars Aracy (IAC-2), Bintje and Porta stored under natural light for 24 days the contents of protochlorophyll, chlorophylls a, b and total glycoalkaloids in the surface portion of the tubers were determined. The contents of such compounds were dependent of the cultivar, storage time as well as the interaction of these two variables. It was also verified that there were correlations between contents of chlorophylls and total glycoalkaloids. In this period the contents of chlorophylls and total glycoalkaloids as a function of storage time can be described by a logistic function, where the initial and final contents of these compounds are charactheristics for each cultivar, as well as are the constants of net synthesis of each compound.
In matute potato tubers of the cultivars Aracy (IAC-2), Bintje and Porta stored under natural light for 24 days the contents of protochlorophyll, chlorophylls a, b and total glycoalkaloids in the surface portion of the tubers were determined. The contents of such compounds were dependent of the cultivar, storage time as well as the interaction of these two variables. It was also verified that there were correlations between contents of chlorophylls and total glycoalkaloids. In this period the contents of chlorophylls and total glycoalkaloids as a function of storage time can be described by a logistic function, where the initial and final contents of these compounds are charactheristics for each cultivar, as well as are the constants of net synthesis of each compound.
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spoladore1985bragantiasntese
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| Authors | ;Dayse Soave Spoladore;Marco Antonio Teixeira Zullo;João Paulo Feijao Teixeira;Sonia Maria Bonilha Marcondes Coelho;Hilário da Silva Miranda Filho |
| Journal | revista espanola de salud publica |
| Year | 1985 |
| DOI |
10.1590/S0006-87051985000100017
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