Mentha oil prices extended gains by adding 0.38% to Rs 3.20 per kg in futures trade today on the back of increased domestic as well as exports demand.
Besides, reports of lower output this season also influenced the prices, traders said.
At the Multi Commodity Exchange, mentha oil for delivery in December rose by Rs 3.20, or 0.38%, to Rs 841 per kg, clocking a business volume of 256 lots.
The oil for January contract traded higher by Rs 3, or 0.35%, to Rs 852.90 per kg, with a trading volume of 61 lots.