منابع مشابه
bio-antioxidants activity: their mechanisms and measurement methods
bioactive food components (such as phenolic compounds, carotenoids, anthocyanins, tochopherols, ascorbic acid, flavonoids, minerals, enzymes and pectin) are active ingredients in food or dietary supplements, which proven to have an important role in health, and are safe for human consumption. these compounds exert their antioxidant effects by different mechanisms such as single electron transfe...
متن کاملAntioxidants and their Effects in Pregnancy
اکثر ساختارهای سلولی بدن از جمله غشاءها، پروتئین های ساختمانی، آنزیم ها و اسیدهای نوکلئیک نسبت به رادیکالهای آزاد) آسیب پذیر بوده و ممکن است دچار جهش یا مرگ سلولی گردند. رادیکال آزاد، اتم یا مولکولی است که به دلیل دارا بودن یک یا چند الکترون جفت نشده، تمایل به گرفتن الکترون از مواد دیگر دارد. این ویژگی موجب فعال شدن و انجام واکنش رادیکالهای آزاد با سایر مواد می شود رادیکالهای آزاد سوپراکسید...
متن کاملA Review on Antioxidants and Their Health Effects
Background: Literature has focused that oxidative damage is a common factor in the aging process and the formation and development of major diseases. Such a finding encouraged the use of antioxidants to prevent and treat mentioned problems. Several research endeavors have done on the issue to find out any relevant relationship between antioxidant use and human being health especially in the cas...
متن کاملThe toxicity of antioxidants and their metabolites.
Antioxidants are used on a very large scale to try to obtain and preserve optimal health. Nutraceuticals and food supplements frequently contain huge dosages of antioxidants. It is not generally recognised that high intake of antioxidants may also have adverse effects. Three antioxidants i.e. vitamin E, β-carotene and lipoic acid are used to illustrate general considerations on the toxicity of ...
متن کاملVitamin and Non-Vitamin Antioxidants and Their Interaction in Food
Aerobic life has been challenged by the changing conditions appearing through evolution resulting in appearance of both hydrophilic and lipophilic antioxidants as an indispensable protection against the ubiquitous reactive oxygenand nitrogen species. Interaction between hydrophilic and lipophilic antioxidants at interfaces often results in synergistic effects important for food stability. Such ...
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ژورنال
عنوان ژورنال: Pharmaceutica Analytica Acta
سال: 2012
ISSN: 2153-2435
DOI: 10.4172/2153-2435.1000e119