2.3. Hydrodistillation apparatus and procedure. Five hundred grams of each aromatic herb were submitted to hydrodistillation with a clevenger-type apparatus (Conseil de l’Europe and Pharmacopée Européenne 1, 1996) according to the European Pharmacopoeia and extracted with 3 l of water for 90 min (until no more essential oil was obtained ... May 08, 2017 · Inhaling the vapors of eucalyptus oil could help stimulate your senses, and take you an out of a mental fog during times of exhaustion. So, eucalyptus oil appears to have a multitude of benefits for your health and personal care, but your more skeptical side may also be curious about its possible side effects. Possible Side Effects of ...

During hydrodistillation the essential oil components form an azeotropic mixture with water. Most of the essential oils do not mix well with water in the liquid phase so after condensation, they are separated by decantation. The distillation period can take from 15 to 30 minutes or longer (Peyron and Richard, 1992). The extraction period ... L'hydrodistillation → Premièrement : Entrainement à la vapeur On fait bouillir le mélange contenant le produit naturel et l'eau, la vapeur va ainsi entrainer les huiles essentielles contenues dans le produit brut et les vapeurs vont se condenser à l'aide d'un réfrégirant.