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 (EPO) is made from the seeds of the flowers of a plant native to North America. The plant has traditionally been used to treat bruises, hemorrhoids, digestive problems, and sore throats. Its healing benefits may be due to its gamma-linolenic acid (GLA) content. GLA is an omega-6 fatty acid found in plant oils.