At the Multi Commodity Exchange, mentha oil for delivery in September was trading lower by Rs 3.40, or 0.35 per cent, to Rs 950.20 per kg with a business volume of 1,660 lots.
Similarly, mentha oil for August delivery drifted by Rs 2.70, or 0.28 per cent, to Rs 938.50 per kg with a business turnover of 2,008 lots.
The fall in mentha oil prices at futures trade was largely due to profit-booking by speculators and weak trend at spot market on subdued demand.