The essential oil of Sweet Basil or French Basil or Common Basil or Ocimum Basilicum, as it is called is much in demand in both the perfumery and flavoring industries. India is the largest producer of Sweet Basil oil in the world The flowers are white or purplish white. Two types of sweet basil oils are produced - European type that has more than 50% Linalool; and Reunion type that has more Methyl Chavicol and has a spicy odour.