The process to remove caffeine from coffee beans using water was first developed in Switzerland in the 1930s, but was only trademarked as the Swiss Water Process in the '80s by a company in Vancouver, British Columbia.
How to Grow Primrose Flower Plants. Primrose is a hardy perennial flower, that includes a wide range of varieties. Primrose is native to Asia, Europe, and North America. In North America, they originally were found from the Midwest to the Northwest areas of the U.S.
Evening Primrose Oil Benefits. Native Americans used evening primrose oil seeds, leaves and roots for food. They also made poultices from the whole plant to heal bruises, and decoctions of the roots to treat hemorrhoids. The leaves were employed to treat minor wounds, gastrointestinal complaints, and sore throats.