Antioxidant composition for biodisel

The present invention relates to an antioxidant composition for biodiesel, and to an antioxidant composition having improved oxidation efficiency. The antioxidant composition for biodiesel includes a hydroquinone-base antioxidant, one or more base additive selected from triethylene tetra amine and triethylene pentamine. The antioxidant composition according to the present invention has an excellent effect of extremely increasing oxidation stability compared with independently using of an oxidation stabilizer.