The vegetable oil index jumped 7.5% above levels seen a month ago, driven by concerns over lower than expected palm oil output.
World food prices fell to near a seven-year low in January, weighed down by declines for agricultural commodities, particularly sugar.
The full year 2016 logged a 1.5 percent annual drop in the index
The world prices rose to the highest level in the past 18 months in October, revealed UN.
Food prices on international markets in April were almost 10 percent lower than a year ago, FAO said.