Results 91 to 100 of about 1,269 (176)

Tomato Phytochemicals and Prostate Cancer Risk

open access: yes, 2006
As phytoene and phytofluene are not commercially available, plant cell culture methodologies utilizing the herbicide norflurazon and 14C-sucrose were developed to biosynthesize and radiolabel these carotenoids in tomato cell suspension cultures.
Campbell, Jessica Korrine
core  

HPLC-DAD-APCI/ESI-MS n analysis of carotenoids and α-tocopherol in Costa Rican Acrocomia aculeata fruits of varying maturity stages

open access: yes, 2018
Carotenoids and tocopherols were characterised in the meso- and exocarp of wild-growing Costa Rican Acrocomia aculeata fruits. Comprehensive profiling of these lipophilic micronutrients in fruits of three varying maturity stages was conducted for the ...
Reinhold Carle   +13 more
core   +1 more source

Effect of illumination and chlorophylls on stability of tomato carotenoids

open access: yes, 2008
Lipidic extract from tomato peels, or tomato peels plus stalks, dissolved in ethanol were submitted to illumination. Lycopene, β-carotene, phytoene and phytofluene isomerisation and degradation, during storage at room temperature for 28 days, were ...
Calvo, Marta M., Santa-María, Guillermo
core   +1 more source

Impact of Rainfall and Air Temperature Before Harvest on Content and Response of Carotenoids, Tocopherols, and Vitamin C to Postharvest Thermal Processing of Tomato

open access: yesHorticulturae
This research aimed to explore the influence of climate factors, especially in the three weeks prior to harvest, on the reaction of key phytonutrients in industrial tomatoes used for juice thermal processing and their stability.
Hussein G. Daood   +4 more
doaj   +1 more source

Photophysical characterization of natural cis-carotenoids

open access: yes, 2001
By means of steady-state fluorescence spectroscopy we explore the photophysics of two lowest lying singlet excited states in two natural 15-cis-carotenoids, namely phytoene and phytofluene, possessing three and five conjugated double bonds (N ...
Cogdell, RJ   +3 more
core  

Tomato Phytochemicals and Prostate Cancer Risk

open access: yes
157 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2006.As phytoene and phytofluene are not commercially available, plant cell culture methodologies utilizing the herbicide norflurazon and 14C-sucrose were developed to biosynthesize and ...
Campbell, Jessica Korrine
core  

Composition of carotenoids from commercial products of caja (Spondias lutea)

open access: yes, 2015
The carotenoid composition and vitamin A value of Brazilian commercial products of caja (Spondias lutea), frozen pulps and pasteurized juices, were determined by high-performance liquid chromatography (HPLC).
Hamano, PS, Mercadante, AZ
core   +1 more source

Carotenoid composition and vitamin A value of an Argentinian squash (Cucurbita moschata)

open access: yesArchivos Latinoamericanos de Nutrición, 2001
The carotenoid composition of butternut squash (Cucurbita moschata) cultivated in the province of Santiago del Estero, Argentina, was determined. The main carotenoids isolated were identified as beta -carotene (beta ,beta -carotene), alpha -carotene ...
Evangelina González   +3 more
doaj  

Composição de carotenoides em canistel (Pouteria campechiana (Kunth) Baehni) Carotenoids composition of canistel (Pouteria campechiana (Kunth) Baehni)

open access: yesRevista Brasileira de Fruticultura, 2010
O canistel (P. campechiana) é uma fruta nativa da América Central e México, ainda pouco conhecida no Brasil. Apresenta uma polpa amarelo-alaranjada, rica em carotenoides, que tem despertado interesse como potencial de vitamina A.
Tânia da Silveira Agostini Costa   +4 more
doaj  

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