نتایج جستجو برای: alpha tocotrienol
تعداد نتایج: 202822 فیلتر نتایج به سال:
Neurodegeneration is the progressive loss of structure or function neurons. Amyloid beta oligomers and aggregates have been linked to neurodegeneration. While previous studies suggested that dietary α-tocopherol intake can prevent amyloid aggregation protect brain against neurotoxicity, other research, however, indicated tocotrienol forms might be used as an alternate agent this kind degenerati...
Oxidation of tocotrienol enriched corn oil was measured for primary oxidative products, lipid hydroperoxides and quantified by peroxide value (PV). Oxidative Stability Index (OSI) was used to determine the induction period (hrs) by indirect measurement of volatile secondary oxidation products, mainly formic acid. Vitamin E stripped corn oil samples were spiked with individual tocotrienols or to...
This study investigated the effects of α-tocopherol and palm oil tocotrienol supplementations on bone fracture healing in postmenopausal osteoporosis rats. 32 female Sprague-Dawley rats were divided into four groups. The first group was sham operated (SO), while the others were ovariectomised. After 2 months, the right femora were fractured under anesthesia and fixed with K-wire. The SO and ova...
Natural vitamin E includes eight chemically distinct molecules: alpha-, beta-, gamma-, and delta-tocopherols and alpha-, beta-, gamma-, and delta-tocotrienols. More than 95% of all studies on vitamin E are directed toward the specific study of alpha-tocopherol. The other forms of natural vitamin E remain poorly understood. The abundance of alpha-tocopherol in the human body and the comparable e...
We have previously reported that substantial amounts of tocotrienols were present in the skin of animals fed a diet containing a tocopherols and tocotrienols rich fraction (T-mix) extracted from palm oil, and further, that sesame lignans enhanced tocotrienol levels in the skin. The present studies were undertaken to determine whether dietary tocotrienols and those with sesamin could protect the...
BACKGROUND Tocotrienols, lipid-soluble antioxidants with vitamin E activity, have been reported to lower LDL-cholesterol concentrations and platelet aggregation in men, but results are contradictory. OBJECTIVE To examine in detail the effects of a vitamin E concentrate rich in tocotrienols on serum lipoproteins and on platelet function in men at risk for cardiovascular disease. DESIGN In th...
AIM To investigate and compare the effects of tocotrienol and omeprazole on gastric growth factors in rats exposed to water-immersion restraint stress (WIRS). METHODS Twenty-eight male Wistar rats were randomly assigned to four groups of seven rats. The two control groups were administered vitamin-free palm oil (vehicle) and the two treatment groups were given omeprazole (20 mg/kg) or tocotri...
Data on dietary exposure to vitamin E by plasma or adipose tissue concentrations of alpha-tocopherol (alpha-T) in observational studies have failed to provide consistent support for the idea that alpha-T provides women with any protection from breast cancer. In contrast, studies indicate that alpha, gamma, and delta-tocotrienols but not alpha-T have potent anti-proliferative effects in human br...
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