Astragalus membranaceus (milkvetch) is 1 of the 10 most important plants in traditional Chinese medicine (TCM). Astragalus is rich in many valuable phytochemicals including astragaloside IV, which can only be found in the astragalus root and which is the subject of many current scientific studies.
Baikal skullcap (Scutellaria baicalensis) is one of the most renowned herbs in the world and its traditional use in China and Siberia dates back more than 2000 years. The most commonly used part of the plant is its root, which contains phytochemicals including baicalin.
This plant is known by many names, of which the nickname "immortality herb" is relatively common and directly derived from the Chinese 仙草 (Xian Cao). Other names include southern ginseng or five-leaf ginseng.
Echinacea is rich in essential oils, chicoric acid, polysaccharides and vitamin C. Due to its beneficial properties, echinacea has achieved global popularity and was the subject of a number of renowned national and international monographs such as those by the German Commission E, ESCOP, WHO and HMPC.
The small, reddish berries of the schisandra plant have been used traditionally in East Asia for over 2,000 years for their strengthening properties. The berries contain vitamin C and E as well as calcium, magnesium, zinc and iron. They also contain numerous polyphenols and the lignans unique to the plant such as Schisandrin B.
In India, liquorice (Glycyrrhiza glabra) is considered to be one of the most important natural remedies. The root contains over 400 bioactive substances, including more than 20 triterpene saponins and over 300 flavonoids. In 2012, liquorice was voted medicinal plant of the year by a committee from the University of Würzburg. One of the most important ingredients of liquorice is glycyrrhizin, a saponin that is currently under extensive research.