WKF The WKF (Wirtschaftsvereinigung Kräuter- and Früchtetee e.V. / German Herbal Infusions Association) provides regular information on its web site about the latest trends and developments in the herbal and fruit tea category, such as innovations or new products on the market, science and research, seasonal recommendations and some nifty recipe ideas. The site also includes a photo gallery with high-resolution shots available for download. For more information visit: www.wkf.de