搜索结果: 1-11 共查到“预防医学与卫生学 a-tocopherol”相关记录11条 . 查询时间(0.139 秒)
The results of prospective vitamin E clinical trials, however, have been disappointing. Ten previous studies examined the effects of various combinations of antioxidants, including α-tocopherol, ascor...
γ-Tocopherol, the major form of vitamin E in the US diet, deserves more attention
metabolism electrophile trap antiinflammatory activity
2016/6/14
γ-Tocopherol is the major form of vitamin E in
many plant seeds and in the US diet, but has drawn little attention
compared with -tocopherol, the predominant form of vitamin E
in tissues and the pr...
Population-based study of α- and γ-tocopherol in plasma and adipose tissue as biomarkers of intake in Costa Rican adults
Vitamin E biomarkers Costa Rica
2016/6/14
γ-Tocopherol is the most abundant form of vitamin
E in the US diet, but -tocopherol concentrations are the
highest in plasma and tissues. Although plasma and adipose tissue
concentrations of -tocop...
α-Tocopherol modulates the low density lipoprotein receptor of human HepG2 cells
low density lipoprotein α-Tocopherol modulates
2008/4/23
The aim of this study was to determine the effects of vitamin E (α-tocopherol) on the low density lipoprotein (LDL) receptor, a cell surface protein which plays an important role in controlling blood ...
Sex differences in the inhibition of γ-tocopherol metabolism by a single dose of dietary sesame oil in healthy subjects
dietary sesame oil healthy subjects
2016/12/30
Our aim was to determine the extent to which dietary sesame lignans alter human α- and γ-tocopherol metabolism and elimination as carboxyethyl hydroxychromanols (CEHCs).
Smoking and exposure to environmental tobacco smoke decrease some plasma antioxidants and increase γ-tocopherol in vivo after adjustment for dietary antioxidant intakes
smokers passive smokers body mass index
2016/12/27
Free radicals in cigarette smoke may cause oxidative damage to macromolecules, contributing to cardiovascular diseases and cancer. Decreased plasma antioxidant concentrations may indicate cigarette sm...
Low plasma concentrations of retinol and α-tocopherol in hematopoietic stem cell transplant recipients:the effect of mucositis and the risk of infection
Retinol tocopherol hematopoietic stem cell transplantation mucositis infection herpes zoster
2016/12/20
Background: Although vitamin deficiencies are rare in the United States, acute reductions in concentrations of plasma retinol (vitamin A) or α-tocopherol (vitamin E) have been associated with imp...
Comparison of the antioxidant effects of Concord grape juice flavonoids α-tocopherol on markers of oxidative stress in healthy adults
Antioxidant α-tocopherol grape juice flavonoids LDL oxidation oxygen radical absorbance capacity protein carbonyls urinary F2 -isoprostanes
2016/12/20
Background: Concord grape juice (CGJ) is a rich source of flavonoids, which have greater antioxidant efficacy in vitro than does α-tocopherol; however, the efficacies of flavonoids and α-tocopher...
Effects of α-tocopherol supplementation and continuous subcutaneous insulin infusion on oxidative stress in Korean patients with type 2 diabetes
Vitamin C α-tocopherol lipid peroxide glutathione peroxidase superoxide dismutase catalase type 2 diabetes glucose concentrations insulin Korea
2016/12/17
Background: Most Koreans with type 2 diabetes are insulin deficient and insulin resistant. Continuous subcutaneous insulin infusion (CSII) provides a suitable amount of insulin to overcome insulin def...
Incorporation of deuterated RRR- or all-rac-α-tocopherol in plasma and tissues of α-tocopherol transfer protein–null mice
Vitamin E deuterium-labeled α-tocopherol α-TTP knockout mice mass spectrometry vitamin E requirement liver brain
2016/12/17
Background: Most vitamin E supplements contain synthetic all-rac-α-tocopherol [2,5,7,8-tetramethyl-2RS-(4′RS,8′RS,12-trimethyltridecyl)-6-chromanol] with 8 stereoisomers; only 1 is identical...
a-Tocopherol supplementation decreases production of superoxide and cytokines by leukocytes ex vivo in both normolipidemic and hypertriglyceridemic individuals
a-Tocopherol superoxide chemiluminescence, cytokines oxidized LDL hypertriglyceridemia men reactive oxygen species antioxidant
2016/6/3
Background: a-Tocopherol plays an important role in protecting
LDL against oxidation. However, additional effects of a-tocopherol
at the intracellular level may contribute to the clinical outcome
o...