ZWT7 Africa. Very popular in Egypt and Sudan. This beverage is said to have been a preferred drink of the pharaohs. In Egypt and Sudan, wedding celebrations are traditionally toasted with a glass of hibiscus tea. In Egypt, karkade as it is called in Arabic, is used as a means to lower blood pressure if consumed in high amounts. Every busy street, train station, bus depot, has its vendors And the dried flowers may be found in every market. From, www.congocookbook.com.