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3 results on '"Vasquez-Caicedo AL"'

1. European Nutrition and Health Report 2009.

Author

Elmadfa I, Meyer A, Nowak V, Hasenegger V, Putz P, Verstraeten R, Remaut-DeWinter AM, Kolsteren P, Dostálová J, Dlouhý P, Trolle E, Fagt S, Biltoft-Jensen A, Mathiessen J, Velsing Groth M, Kambek L, Gluskova N, Voutilainen S, Erkkilä A, Vernay M, Krems C, Strassburg A, Vasquez-Caicedo AL, Urban C, Naska A, Efstathopoulou E, Oikonomou E, Tsiotas K, Bountziouka V, Benetou V, Trichopoulou A, Zajkás G, Kovács V, Martos E, Heavey P, Kelleher C, Kennedy J, Turrini A, Selga G, Sauka M, Petkeviciene J, Klumbiene J, Holm Totland T, Andersen LF, Halicka E, Rejman K, Kowrygo B, Rodrigues S, Pinhão S, Ferreira LS, Lopes C, Ramos E, Vaz Almeida MD, Vlad M, Simcic M, Podgrajsek K, Serra Majem L, Román Viñas B, Ngo J, Ribas Barba L, Becker W, Fransen H, Van Rossum B, Ocké M, Margetts B, Rütten A, Abu-Omar K, Gelius P, and Cattaneo A

Subjects
Adolescent, Adult, Aged, Aged, 80 and over, Child, Child, Preschool, Diet, Diet Surveys, European Union, Female, Food Supply economics, Health Status Indicators, Humans, Infant, Male, Middle Aged, Young Adult, Food Supply statistics & numerical data, Health Status, Nutrition Policy, Nutritional Status
Published
2009
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2. European Nutrition and Health Report 2009.

Author

Elmadfa I, Meyer A, Nowak V, Hasenegger V, Putz P, Verstraeten R, Remaut-DeWinter AM, Kolsteren P, Dostálová J, Dlouhý P, Trolle E, Fagt S, Biltoft-Jensen A, Mathiessen J, Velsing Groth M, Kambek L, Gluskova N, Voutilainen N, Erkkilä A, Vernay M, Krems C, Strassburg A, Vasquez-Caicedo AL, Urban C, Naska A, Efstathopoulou E, Oikonomou E, Tsiotas K, Bountziouka V, Benetou V, Trichopoulou A, Zajkás G, Kovács V, Martos E, Heavey P, Kelleher C, Kennedy J, Turrini A, Selga G, Sauka M, Petkeviciene J, Klumbiene J, Holm Totland T, Andersen LF, Halicka E, Rejman K, Kowrygo B, Rodrigues S, Pinhão S, Ferreira LS, Lopes C, Ramos E, Vaz Almeida MD, Vlad M, Simcic M, Podgrajsek K, Serra Majem L, Román Viñas B, Ngo J, Ribas Barba L, Becker V, Fransen H, Van Rossum C, Ocké M, and Margetts B

Subjects
Energy Intake, Europe, Female, Food Supply, Humans, Infant, Male, Nutrition Surveys, Sex Factors, Young Adult, Diet trends, Health Behavior, Health Status, Nutritional Status
Published
2009
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3. Chromoplast morphology and beta-carotene accumulation during postharvest ripening of Mango Cv. 'Tommy Atkins'.

Author

Vasquez-Caicedo AL, Heller A, Neidhart S, and Carle R

Subjects
Daucus carota ultrastructure, Fruit chemistry, Isomerism, Microscopy, Electron, Plant Roots ultrastructure, Plastids chemistry, Fruit growth & development, Fruit ultrastructure, Mangifera, Plastids ultrastructure, beta Carotene analysis, beta Carotene chemistry
Abstract

Accumulation of beta-carotene and trans-cis isomerization of ripening mango mesocarp were investigated as to concomitant ultrastructural changes. Proceeding postharvest ripening was shown by relevant starch degradation, tissue softening, and a rising sugar/acid ratio, resulting in a linear decrease (R (2) = 0.89) of a ripening index (RPI(KS)) with increasing ripening time. A modest accumulation of all-trans-beta-carotene and its cis isomers resulted in a slight pigmentation of the mango chromoplasts, because ambient temperatures of 18.2-19.5 degrees C provided suboptimal ripening conditions, affecting color development and beta-carotene biosynthesis. The ultrastructures of chromoplasts from mango mesocarp and carrot roots were comparatively studied by means of light and transmission electron microscopy. Irrespective of the ripening stage, mango chromoplasts showed numerous plastoglobuli varying in size and electron density. They comprised the main part of carotenoids, thus supporting the partial solubilization of the pigments in lipid droplets. However, because different pigment-carrying tubular membrane structures were also observed, mango chromoplasts were assigned to the globular and reticulotubular types, whereas the crystalline type was confirmed for carrot chromoplasts. The large portions of naturally occurring cis-beta-carotene in mango fruits contrasted with the predominance of the all-trans isomer characteristic of carrots, indicating that the nature of the structure where carotenoids are deposited and the physical state of the pigments are crucial for the stability of the all-trans configuration.

Published
2006
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