At the Multi Commodity Exchange, mentha oil for delivery in October gained Rs 1.60, or 0.24 per cent, to Rs 681 per kg in a business turnover of 61 lots.
Likewise, the oil for delivery in November added Rs 1.50, or 0.22 per cent, to Rs 693 per kg in 282 lots.
Market analysts said increased demand from consuming industries in the spot market against tight supplies on restricted arrivals from Chandausi in Uttar Pradesh mainly kept mentha oil higher at futures trade.