Results 21 to 30 of about 84,145 (272)

ROS Induce β-Carotene Biosynthesis Caused by Changes of Photosynthesis Efficiency and Energy Metabolism in Dunaliella salina Under Stress Conditions

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
The unicellular alga Dunaliella salina is regarded as a promising cell factory for the commercial production of β-carotene due to its high yield of carotenoids. However, the underlying mechanism of β-carotene accumulation is still unclear. In this study,
Yimei Xi, Fantao Kong, Zhanyou Chi
doaj   +1 more source

Selection of Indonesia Cassava (Manihot esculenta Crantz) Genotype as Source of β-Carotene

open access: yesBiodiversitas Journal of Biological Diversity, 2008
Fourteen genotypes of Indonesia cassava (Manihot esculenta Crantz) of two generations were evaluated for β-carotene content. The β-carotene content of tubers and leaves were determined by spectrophotometry method. Other parameterssuch as water and ash contents were also evaluated. Results showed that β-carotene content of tubers of fourth generation(
DODY PRIADI   +4 more
openaire   +1 more source

Functional analysis of γ-carotene ketolase involved in the carotenoid biosynthesis ofDeinococcus radiodurans [PDF]

open access: yesFEMS Microbiology Letters, 2009
Deinococcus radiodurans strain R1 synthesizes a unique ketocarotenoid product named deinoxanthin. The detailed steps involved in the biosynthesis of deinoxanthin remain unresolved. A carotene ketolase homologue encoded by dr0093 was inactivated by gene mutation to verify its function in the native host D. radiodurans. Analysis of the carotenoids in the
Zongtao, Sun   +6 more
openaire   +2 more sources

β-carotene, vitamin C and vitamin E content of the marine microalga Dunaliella tertiolecta cultured with different nitrogen sources [PDF]

open access: yes, 1991
Variations in the β-carotene, vitamin C and vitamin E content of D. tertiolecta have been shown to result from the nitrogen source used in the culture medium.
Abalde, Julio   +2 more
core   +2 more sources

Protective effects of α-tocopherol and β-carotene onpara-nonylphenol-induced inhibition of cell growth, cellular respiration and glucose-induced proton extrusion of bacteria [PDF]

open access: yesFEMS Microbiology Letters, 2000
para-Nonylphenol (NP) showed a dose-dependent inhibition against the cell growth of Bacillus subtilis, Micrococcus luteus, Pseudomonas aeruginosa and Staphylococcus aureus at 5-100 microM. However, other typical plastic-derived endocrine disruptors such as bisphenol A and di-2-ethylhexyl phthalate (DEHP) did not significantly affect the cell growth of ...
Y, Okai   +7 more
openaire   +2 more sources

Influence of Oxygen-Containing Sulfur Flavor Molecules on the Stability of β-Carotene under UVA Irradiation

open access: yesMolecules, 2019
The influence of 11 kinds of oxygen-containing sulfur flavor molecules was examined on β-carotene stability under UVA irradiation in ethanol system. Both the effects of sulfides on dynamic degradation of β-carotene and the relation between structure and ...
Gong-Liang Zhang   +5 more
doaj   +1 more source

Common SNP rs6564851 in the BCO1 Gene Affects the Circulating Levels of β-Carotene and the Daily Intake of Carotenoids in Healthy Japanese Women. [PDF]

open access: yesPLoS ONE, 2016
The circulating levels of β-carotene are modulated not only by sex, but also by autosomal gene variations and fruit intake. The aim of this study was to investigate the interactions between β-carotene metabolism-related gene single nucleotide ...
Suemi Yabuta   +4 more
doaj   +1 more source

Promoting the Synthesis of Precursor Substances by Overexpressing Hexokinase (Hxk) and Hydroxymethylglutaryl-CoA Synthase (Erg13) to Elevate β-Carotene Production in Engineered Yarrowia lipolytica

open access: yesFrontiers in Microbiology, 2020
As a valuable carotenoid, β-carotene is commercially used in food, cosmetics, animal feeds, and other industries. Metabolic engineering of microorganisms has been widely explored to improve the production of β-carotene.
Shan Qiang   +20 more
doaj   +1 more source

β-Carotene prevents weaning-induced intestinal inflammation by modulating gut microbiota in piglets [PDF]

open access: yesAnimal Bioscience, 2021
Objective Weaning is an important stage in the life of young mammals, which is associated with intestinal inflammation, gut microbiota disorders, and even death.
Ruonan Li   +6 more
doaj   +1 more source

Evaluasi Formula Krim Minyak Biji Delima (Punica granatum L.) dan Uji Aktivitas Antioksidan dengan Metode β-Carotene Bleaching

open access: yesJournal of Tropical Pharmacy and Chemistry, 2015
Minyak biji delima memiliki aktivitas antioksidan kuat, sehingga berpotensi untuk diformulasi menjadi sediaan antioksidan topikal. Tujuan penelitian ini adalah untuk mengevaluasi formula sediaan krim minyak biji delima dan menguji aktivitas antioksidan dari sediaan tersebut. Krim a/m diformulasi menggunakan emulgator Tween 80- Span 80. Evaluasi sediaan
Nur Mita   +2 more
openaire   +3 more sources

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