| http://www.w3.org/ns/prov#value | - However, the roles and importance of the various forms of vitamin E are presently unclear,[97][98] and it has even been suggested that the most important function of ??-tocopherol is as a signaling molecule, with this molecule having no significant role in antioxidant metabolism.[99][100] The functions of the other forms of vitamin E are even less well-understood, although ??-tocopherol is a nucle
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