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PHR1239

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Angélica M Jaramillo et al.
PloS one, 13(12), e0209702-e0209702 (2018-12-29)
The most commonly used method for measuring carotenoid concentration is high-performance liquid chromatography (HPLC). Nevertheless, easier, quicker, and less costly proxy methods exist. We aimed to determine the diagnostic performance of several proxy methods: the spectrophotometer, iCheck Carotene, and near-infrared
Jarmo Virtamo et al.
International journal of cancer, 135(1), 178-185 (2013-12-18)
In the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study among 29,133 Finnish male smokers aged 50-69 years, daily α-tocopherol (50 mg) for a median of 6.1 years decreased the risk of prostate cancer, whereas β-carotene (20 mg) increased risk of lung cancer
R Dimenstein et al.
Biology of the neonate, 69(4), 230-234 (1996-01-01)
The placental transfer of retinol and beta-carotene was assessed based on maternal serum, cord serum and placental levels at term parturition in women with adequate (n = 15; serum retinol > 20 micrograms/dl) and subadequate (n = 16; serum retinol
María-José Sáiz-Abajo et al.
Food chemistry, 138(2-3), 1581-1587 (2013-02-16)
β-Carotene is a carotenoid usually applied in the food industry as a precursor of vitamin A or as a colourant. β-Carotene is a labile compound easily degraded by light, heat and oxygen. Casein micelles were used as nanostructures to encapsulate
G H Metnitz et al.
Acta anaesthesiologica Scandinavica, 44(3), 236-240 (2000-03-14)
Acute renal failure (ARF) can be triggered or aggravated by reactive oxygen species (ROS) but established ARF per se might also affect the antioxidant defence mechanisms of the organism. We evaluated a broad pattern of antioxidants in critically ill patients
Jesús Vioque et al.
Nutrition journal, 12, 26-26 (2013-02-21)
Studies exploring the role of diet during pregnancy are still scarce, in part due to the complexity of measuring diet and to the lack of valid instruments. The aim of this study was to examine the reproducibility and validity (against
Mariette Gerber
Public health nutrition, 9(1A), 147-151 (2006-03-04)
To fulfil a comprehensive approach to consumption, which is necessary to characterise food habits and their relationship to diseases, using a diet quality index (DQI) developed for a Mediterranean region (Med-DQI). A cross-sectional nutritional survey provided the data for the
Victoria A Kirsh et al.
Journal of the National Cancer Institute, 98(4), 245-254 (2006-02-16)
Vitamin E, beta-carotene, and vitamin C are micronutrient antioxidants that protect cells from oxidative damage involved in prostate carcinogenesis. In separate trials, supplemental vitamin E was associated with a decreased risk of prostate cancer among smokers and supplemental beta-carotene was
Determination of alpha and beta-Carotene in Fruit and Vegetables by High Performance Liquid Chromatography
Wilson AM, et al.
Can. Inst. Food Sci Technol. J., 15(3), 165-169 (1982)
Ch Bayerl
Acta dermatovenerologica Alpina, Pannonica, et Adriatica, 17(4), 160-162 (2008-12-24)
UV irradiation of the skin leads to the induction of free radicals, carcinogenesis, and skin aging, and thus the use of beta-carotene in humans as a chaperoning agent is discussed. In the photohemolysis model, beta-carotene protects against the phototoxic effects
Marjoleine A Dijkhuizen et al.
The American journal of clinical nutrition, 80(5), 1299-1307 (2004-11-09)
Deficiencies of vitamin A, iron, and zinc are prevalent in women and infants in developing countries. Supplementation during pregnancy can benefit mother and infant. We examined whether supplementation during pregnancy with iron and folic acid plus beta-carotene or zinc or
Anh Do Quynh Nguyen et al.
Bioresource technology, 143, 531-537 (2013-07-09)
This study aims to investigate whether overexpressing the trehalose biosynthetic gene, otsBA operon, in β-carotene-producing recombinant Escherichia coli protects cells from toxic impurities in crude glycerol. The concentrations of potassium and methanol in crude glycerol were too low to inhibit
Carl C Awh et al.
Ophthalmology, 122(1), 162-169 (2014-09-10)
To evaluate the impact of complement factor H (CFH) and age-related maculopathy susceptibility 2 (ARMS2) risk alleles on the observed response to components of the Age-Related Eye Disease Study (AREDS) formulation. Genetic and statistical subgroup analysis of a randomized, prospective
Abdolrasoul Hejri et al.
Food chemistry, 141(1), 117-123 (2013-06-19)
In this study, the optimised β-carotene loaded nanostructured lipid carriers (NLC) were prepared using the solvent diffusion method. Response surface methodology (RSM) was employed in conjunction with a central composite design (CCD) to evaluate the effect of the preparation variables
Summaries for patients. Vitamin, mineral, and multivitamin supplements to prevent cardiovascular disease and cancer: recommendations from the U.S. Preventive Services Task Force.
Annals of internal medicine, 160(8), I-24 (2014-02-26)
Luis M San-Jose et al.
The American naturalist, 181(3), 396-409 (2013-03-02)
Abstract Carotenoids typically need reflective background components to shine. Such components, iridophores, leucophores, and keratin- and collagen-derived structures, are generally assumed to show no or little environmental variability. Here, we investigate the origin of environmentally induced variation in the carotenoid-based
Chisa Matsumoto et al.
The American journal of clinical nutrition, 101(2), 362-367 (2015-02-04)
Previous studies reported beneficial effects of cocoa or chocolate on insulin resistance, oxidative stress, and inflammation, which are important risk factors of type 2 diabetes mellitus (DM). However, it is unclear whether chocolate consumption is associated with risk of DM.
B Bordignon et al.
Biochemical and biophysical research communications, 439(1), 137-141 (2013-08-15)
We reported, in previous experiments, that AA is a global regulator of cAMP pools. In this study, we demonstrate that K873, an analog of AA we synthesized and presenting antiproliferative properties, has also an impact on cAMP production. However, K873
Earl H Harrison et al.
The American journal of clinical nutrition, 96(5), 1189S-1192S (2012-10-12)
β-Carotene is the major dietary source of provitamin A. Central cleavage of β-carotene yields 2 molecules of retinal followed by further oxidation to retinoic acid. Eccentric cleavage of β-carotene occurs at double bonds other than the central double bond, and
Harald P M Gollnick et al.
Skin pharmacology and applied skin physiology, 15(5), 360-366 (2002-09-20)
Beta-carotene is one of the important antioxidants in the defence mechanisms of the body against reactive oxygen species and, in particular, against UV radiation in the skin. The aim of our study was to measure if differences of beta-carotene in
Maria E Sundaram et al.
The Journal of nutrition, 143(7), 1161-1167 (2013-05-17)
Exclusive breastfeeding of newborns, a practice recommended by WHO, is hindered in many countries by practices such as prelacteal feeding (feeding other foods before breast milk is fed to infants). This paper describes maternal and infant characteristics and trends over
Yizhou Ye et al.
PloS one, 8(2), e56803-e56803 (2013-02-26)
Antioxidant vitamin (vitamin E, beta-carotene, and vitamin C) are widely used for preventing major cardiovascular outcomes. However, the effect of antioxidant vitamin on cardiovascular events remains unclear. We searched PubMed, EmBase, the Cochrane Central Register of Controlled Trials, and the
High-performance liquid chromatographic method for routine determination of vitamins A and E and beta-carotene in plasma
Lee BL, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 581(1), 41-47 (1992)
F P Cappuccio et al.
Nutrition, metabolism, and cardiovascular diseases : NMCD, 13(1), 12-19 (2003-05-30)
High fruit and vegetable intake is associated with health benefits for cancer and cardiovascular disease. An increase is therefore integral in recommendations for the prevention of chronic disease. However, measuring intake requires either extensive dietary assessment or the measurement of
Arlette Rwigemera et al.
Anticancer research, 35(1), 207-219 (2015-01-01)
We evaluated whether low doses of the natural carotenoid fucoxanthin and/or of its metabolite fucoxanthinol are effective against proliferation of estrogen-sensitive MCF-7 and estrogen-resistant MDA-MB-231 breast cancer cell lines. These cell lines were stimulated with 10 to 20 μM fucoxanthin
J F Zhou et al.
Biomedical and environmental sciences : BES, 13(4), 254-262 (2001-05-16)
To study the relationship of oxidative, antioxidative constituents and antioxidases in blood with chronic cholecystitis containing gallstone, levels of lipoperoxides (LPO), nitric oxide (NO), vitamin C(VC), vitamin E (VE) and beta-carotene (beta-CAR) in plasma as well as level of LPO
Jaume Amengual et al.
The Journal of biological chemistry, 288(47), 34081-34096 (2013-10-10)
Mammalian genomes encode two provitamin A-converting enzymes as follows: the β-carotene-15,15'-oxygenase (BCO1) and the β-carotene-9',10'-oxygenase (BCO2). Symmetric cleavage by BCO1 yields retinoids (β-15'-apocarotenoids, C20), whereas eccentric cleavage by BCO2 produces long-chain (>C20) apocarotenoids. Here, we used genetic and biochemical approaches
N Atri et al.
International journal of medicinal mushrooms, 15(1), 49-56 (2013-03-21)
Five wild culinary-medicinal species of genus Pleurotus (Fr.) P. Kumm. (P. floridanus Singer, P. pulmonarius (Fr.) Quél., P. sapidus Quél., P. cystidiosus O.K. Miller, and P. sajor-caju (Fr.) Singer), collected from different localities of Northwest India, were studied for their
Sarah A Wilson et al.
Current opinion in biotechnology, 26, 174-182 (2014-02-22)
Historically, plants are a vital source of nutrients and pharmaceuticals. Recent advances in metabolic engineering have made it possible to not only increase the concentration of desired compounds, but also introduce novel biosynthetic pathways to a variety of species, allowing
J Valtueña et al.
Nutricion hospitalaria, 26(2), 280-288 (2011-06-15)
Currently, blood levels to define vitamin deficiency or optimal status in adolescents are extrapolated from adults. This may be not adequate as vitamin requirements during adolescence depend on the process of sexual maturation, rapid increasing height and weight, among other
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