Results 11 to 20 of about 83,924 (285)

The Effect of Instantaneous and Slow-Release Salt Stress Methods on Beta-Carotene Production within Dunaliella Salina Cells [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2021
The main concept of the present study is taken from the growth pattern of Dunaliella salina (green unicellular eukaryote microalgae) in Urmia Lake which is the second biggest saline lake in the world.
Ali Hashemi   +3 more
doaj   +1 more source

Vitamin E and beta-carotene status of dairy cows: a survey of plasma levels and supplementation practices

open access: yesAnimal, 2021
Culling rate in dairy cattle has increased considerably, thereby reducing cowś longevity and raising sustainability concerns worldwide. In the last decades, feeding systems have changed towards larger inclusion of preserved forages and reduced fresh ...
A.E.P. Mary   +4 more
doaj   +1 more source

Thermal stereoisomerization of all-(E)-.BETA.-carotene: (Z)-.BETA.-carotenes and electrocyclized .BETA.-carotenes.

open access: yesJournal of Nutritional Science and Vitaminology, 1983
Thermal isomerization of synthetic all-(E)-beta-carotene yielded a multi-component mixture composed of more than sixteen (Z)-beta-carotenes and two thermo-cyclized isomers. They were separated and purified by high-performance liquid chromatography. Ten of these were characterized by spectroscopic methods as four mono-(Z)-, five di-(Z)-, and one tri-(Z)-
K, Tsukida, K, Saiki
openaire   +5 more sources

Beta-Carotene Extraction in Complex Food Additives

open access: yesТехника и технология пищевых производств, 2021
Introduction. Natural dye beta-carotene E160a (pro-vitamin A) is part of many functional foods. Therefore, the total intake of beta-carotene must not exceed the tolerable upper intake level, i.e. 10 mg/day.
Natalia V. Rudometova   +1 more
doaj   +1 more source

Lifestyle characteristics and dietary impact on plasma concentrations of beta-carotene and retinol [PDF]

open access: yesBioDiscovery, 2012
Mechanisms of dietary micronutrients and personal characteristics of the human body are intricately complicated. These mechanisms, however, can be easily interpreted through appropriate mathematical relationships.
Rabindra Nath Das, Pradip K. Sarkar
doaj   +3 more sources

Physicochemical Characteristics of Bun Made from Orange-Fleshed Sweet Potato Clones [PDF]

open access: yesBIO Web of Conferences, 2023
Sweet potato tubers are source of carbohydrates, vitamins, minerals, dietary fiber, beta-carotene, anthocyanins, and other phenolic components. Beta-carotene has been promoted because of its high antioxidant activity and health benefits.
Utomo Joko Susilo, Ginting Erliana
doaj   +1 more source

Morphological Variation and Beta Carotene Contents of Several Clones of Ubi Kuning Cassava Genotype Derived from Irradiated Shoot in vitro

open access: yesJurnal Ilmu Dasar, 2020
In line with the increase in cassava production and the development of nutrient-rich cassava in order to support national food diversification and biofortification programs, the selection of selected varieties of cassava varieties, which are superior in ...
Nurhamidar Rahman   +4 more
doaj   +1 more source

A FAST HPLC METHOD FOR THE DETERMINATION OF BETACAROTENE AND LYCOPENE FROM DAUCUS CARO

open access: yesNatural Resources and Sustainable Development, 2023
Beta-carotene and lycopene are important carotenoids present in carrots (Daucus carota). In this study, a fast and efficient HPLC method was developed for the determination of beta-carotene and lycopene from Daucus carota.
Dordai Lucian
doaj   +1 more source

Compartmental analysis of the dynamics of beta-carotene metabolism in an adult volunteer.

open access: yesJournal of Lipid Research, 1995
Metabolism of a 73 mumol oral dose of beta-carotene-d8 in olive oil was determined from plasma beta-carotene-d8 and retinol-d4 concentration-time curves in an adult male. beta-Carotene-d8 and retinol-d4 concentrations in serial plasma were measured using
J.A. Novotny   +3 more
doaj   +1 more source

Genes involved in carotene synthesis and mating in Blakeslea trispora [PDF]

open access: yes, 2008
Mating of Blakeslea trispora and other molds of the order Mucorales requires the interaction of mycelia of opposite sex, (+) and (-), leading to the development of specialized structures and to an enhanced accumulation of beta-carotene.
Berg, J.A., van den   +5 more
core   +2 more sources

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