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 ...
Hambly Farms distills each bottle of essential oil using a copper alembic still – Hambly Farms announced that co-founder and ...
THIS collaborative work has behind it the resources and experience of Fritzsche Brothers New York, well known as producers of essential oils. Dr. E. Guenther, a vice-president of the firm, discusses ...