At the Multi Commodity Exchange, mentha oil for delivery in June fell by Rs 4.90, or 0.55 per cent, to Rs 891 per kg, in a business turnover of 28 lots.
Likewise, the oil for delivery in May traded lower by Rs 3.60, or 0.41 per cent, to Rs 883.30 per kg in 291 lots.
The fall in mentha oil prices at futures trade was mostly attributed to profit-booking by traders at existing levels, easing demand from consuming industries, analysts said.