Results 41 to 50 of about 17,621 (233)
Informador Técnico, 2021 El objetivo de la presente revisión es reunir, contrastar y analizar algunas de las técnicas convencionales y no convencionales de extracción de β-caroteno a partir de la zanahoria (Daucus carota L.), a través de un análisis bibliométrico de estudios e ...
Daniel Otálora-Orrego, D.A. Martin G
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Energy Transfer, Excited-State Deactivation, and Exciplex Formation in Artificial Caroteno-Phthalocyanine Light-Harvesting Antennas [PDF]
The Journal of Physical Chemistry B, 2007 We present results from transient absorption spectroscopy on a series of artificial light-harvesting dyads made up of a zinc phthalocyanine (Pc) covalently linked to carotenoids with 9, 10, or 11 conjugated carbon-carbon double bonds, referred to as dyads 1, 2, and 3, respectively. We assessed the energy transfer and excited-state deactivation pathways
Rudi Berera +12 more
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Carotenoid composition and vitamin A value of an Argentinian squash (Cucurbita moschata)
Archivos 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
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Phenolic composition, antibacterial and antioxidant activities of brazilian red propolis [PDF]
, 2009 Propolis is a resinous hive product collected by honeybees from various plant sources. It has a complex chemical composition, constituted by various phenolic compounds.
ALENCAR, Severino Matias de +6 more
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Los carotenos y sus efectos sobre la salud
Perspectivas en Nutrición Humana, 2018 El presente artículo es de revisión; en éste se examina la importancia de los p carotenos como fuente promisoria de provitamina A en los países menos desarrollados. Se consideran varios aspectos del huésped y del alimento que condicionan la biodisponibilidad de los p carotenos provenientes de la dieta, factores importantes a tener en cuenta cuando las ...
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Acta Agronómica, 2009 La población S1 de la variedad tailandesa de yuca MTAi8 (AM320), la cual presenta patrones de segregación definidos para el contenido de carotenos totales (Beta-caroteno), se sometió a un análisis de agrupamiento segregante (BSA = Bulk Segregant Analysis)
Jaime Alberto Marín Colorado +2 more
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Revista Técnica de la Facultad de Ingeniería, 2020 El tomate posee licopeno, vitaminas y flavonoides, sin embargo, es susceptible al ataque de plagas, por ello es esencial buscar variedades alternativas resistentes, entre estas se encuentra Solanum pimpinellifolium L. o tomatillo silvestre. El objetivo
Denisse María Rivas Navia +2 more
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Teor de carotenoides em nutricosméticos: análise da adequação e qualidade do produto. [PDF]
, 2016 O objetivo deste trabalho foi verificar a adequação dos nutricosméticos contendo carotenoides em sua formulação em relação aos teores de B-caroteno, luteína, licopeno e zeaxantina, considerando-se as quantidades declaradas pelos fabricantes.
BORGUINI, R. G. +5 more
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AquaTechnica, 2019 Dunaliella salina (Chlorophyceae) es una microalga que contiene un porcentaje considerable de pigmentos, en especial acumula niveles significativos de β-carotenos; compuestos que poseen alto poder antioxidante.
Miguel Guevara +3 more
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Safety of ethyl ester of β‐apo‐8’‐carotenoic acid as a feed additive for poultry for fattening and poultry for laying [PDF]
EFSA Journal, 2019 Following a request from the European Commission, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the additional data submitted for ethyl ester of β-apo-8-carotenic acid (β-apo-8-ester) when used as a feed additive for poultry for fattening and poultry for laying.
Marta López-Alonso +21 more
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