One of the most ancient chemical operations carried out by humans is probably extracting aroma and flavor components from dried plant material. One of the most common examples is preparing a cup of ...

Geranium essential oil is derived by steam distillation of the leaves of Pelargonium graveolens, a plant species native to South Africa. According to folklore, it was used for a wide range of health ...

Helichrysum essential oil may have antimicrobial, anti-inflammatory, and antioxidant properties. However, research into the health benefits of helichrysum essential oil for humans is lacking.

Hydrosols are water-based products made from the distillation of fresh flowers, leaves, fruits, and other plant materials. Some claim they have health benefits, but there is limited scientific ...