alpha-tocotrienol|Tocotrienols contain an arene ring, a chromanol ring, and an isoprenoid tail; all tocotrienol compounds contain a methyl group on C8 of the arene ring. -Tocotrienol contains two additional methyl groups arranged around the arene ring, positioned para and ortho to C8. Tocotrienols are members of the vitamin E family, typically isolated from natural sources such as vegetable oils, nuts, and grains. All tocotrienols exhibit strong antioxidative, anti-angiogenic, anticancer, and lipid-lowering qualities, although -Tocotrienol displays the strongest antioxidative capacity. Tocopherols, common substituents of over-the-counter vitamin E supplements, interfere with tocotrienol activity and show weaker antioxidative effects. Tocotrienols exhibit significant radical recycling abilities in cellular models of lipid peroxidation and oxidative damage and suppress HMG-CoA reductase activity. In vitro, these compounds induce apoptosis through inhibition of Id1, EGFR, and NF- B; they also inhibit vessel formation and proliferation in aortic endothelial cells. |C29H44O2|424.66|yellow liquid|-20°C|
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