The invention provides a biologically culture of Desmodesmus sp. F2. The present invention also provides a method for oil production, method for bio-diesel production, and food and feed comprising the culture.本發明係提供一種微生物之生物培養物,其中該微生物係為柵藻(Desmodesmus sp.)F2。本發明亦提供油脂合成之方法、生產生質柴油之方法、包含前述培養物之食品及飼料。(無元件符號說明)