Mentha oil futures for March declined by Rs 8.20, or 0.6%, to Rs 1,273 per kg in 216 lots.
At the Multi Commodity Exchange (MCX), the February contract traded lower by Rs 1.50, or 0.11%, to Rs 1,305.20 per kg in 888 lots.
Weak industrial demand had a negative effect.
Besides higher arrivals from Chandausi in Uttar Pradesh also triggered the downtrend.
