1997
DOI: 10.3136/fsti9596t9798.3.301
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Vitamin E: Mechanism of Its Antioxidant Activity.

Abstract: The antioxidant activity of vitamin E (a-tocopherol) during the peroxidation of unsaturated lipids has been reviewed based on its reaction products. Free-radical scavenging reactions of a-tocopherol take place via the a-tocopheroxyl radical as an intermediate. If a suitable free radical is present, a non-radical product can be formed from the coupling of the free radical with the a-tocopheroxyl radical. The reaction products of a-tocopherol with lipid-peroxyl radicals are 8a-(lipid-dioxy)-a-tocopherones which … Show more

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Cited by 79 publications
(73 citation statements)
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“…5,6) Therefore, the formation of these products is consistent with the behavior of a-tocopherol as a chainbreaking antioxidant in biological systems. We have previously reported the isolation and characterization of 8a-(phosphatidylcholine-dioxy)-a-tocopherones as the reaction products of a-tocopherol with peroxyl radicals derived from some molecular species of phosphatidylcholine in liposomes.…”
supporting
confidence: 58%
“…5,6) Therefore, the formation of these products is consistent with the behavior of a-tocopherol as a chainbreaking antioxidant in biological systems. We have previously reported the isolation and characterization of 8a-(phosphatidylcholine-dioxy)-a-tocopherones as the reaction products of a-tocopherol with peroxyl radicals derived from some molecular species of phosphatidylcholine in liposomes.…”
supporting
confidence: 58%
“…Pada penelitian sebelumnya disebutkan bahwa minyak kelapa sawit yang memberikan efek terhadap proteksi ginjal adalah dengan dosis 100 mg/kgBB tikus yang setara dengan 0,14 mg/gBB mencit. 27 Namun belum ada penelitian sebelumnya yang meneliti efek pemberian minyak kelapa sawit dalam bentuk mikrosfer kitosan dalam menurunkan kadar MDA ginjal.…”
Section: Pembahasanunclassified
“…27 Namun berdasarkan hasil penelitian, kelompok P2 dengan dosis 0,107 mg/gBB telah memiliki efek yang baik ke ginjal dengan menghasilkan kadar MDA yang lebih kecil secara signifikan dibandingkan KP. Kemungkinan hal ini dikarenakan terjadi peningkatan akumulasi minyak kelapa sawit di ginjal karena pembawa LMWC yang kurang dari 70 kDa.…”
Section: Pembahasanunclassified
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