(âÂÂ)-ñ-Terpineol synthase (EC 4.2.3.111) is an enzyme with systematic name geranyl-diphosphate diphosphate-lyase [cyclizing, (âÂÂ)-ñ-terpineol-forming]. This enzyme catalyses the following chemical reaction
The enzyme has been characterized from Vitis vinifera (grape).