Cinnamomum cassia component called coumarin, which could damage the liver if consumed in larger amounts, European health agencies have warned against consuming high amounts of cassia. Other bioactive compounds found in the bark, powder and essential oils of "C. cassia" are cinnamaldehyde and styrene. In high doses these substances can also be toxic for humans. Cinnamomum cassia Cinnamomum cassia, called Chinese cassia or Chinese cinnamon, is an evergreen tree originating in southern China, and widely cultivated there and elsewhere in southern and eastern Asia (India, Indonesia, Laos, Malaysia, Taiwan, Thailand, and Vietnam). It is one of several species of "Cinnamomum" used primarily
Cassia (genus) Cassia (genus) Cassia is a genus of flowering plants in the legume family, Fabaceae, and the subfamily Caesalpinioideae. Species are known commonly as cassias. Cassia is also the English common name of some species in the genus "Cinnamomum" of the family Lauraceae. Species of the genera "Senna" and "Chamaecrista" were previously included in "Cassia". "Cassia" now generally includes the largest species of the legume subtribe Cassiinae, usually mid-sized trees. "Cassia" species occur in a range of climates. Some can be utilized widely as ornamental plants. They have been used in reforestation projects, and species from desert climates can be used