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 javanica is used medicinally as a substitute to "Cassia fistula" for treating constipation, colic, chlorosis and urinary disorders. Its leaves are effective against herpes simplex and the bark of "C. javanica" is one of the ingredients in ayurvedic and other traditional medicine antidiabetic formulations. "C. javanica" yields a lightweight to heavy hardwood that is used for general construction, furniture and cabinet making. The bark of "C. javanica" is used for tanning in the leather processing industry. Cassia javanica Cassia javanica, also known as Java cassia, pink shower, apple blossom tree and rainbow shower tree (), is a species of tree in