The highest levels of arsenic (in all forms) in foods can be found in seafood, rice, rice cereal (and other rice products), mushrooms, and poultry, although many other foods can contain low levels of arsenic. Rice is of particular concern because it is a major part of the diet in many parts of the world.
Ergine, also known as d-lysergic acid amide (LSA) and d-lysergamide, is an alkaloid of the ergoline family that occurs in various species of vines of the Convolvulaceae and some species of fungi.
For other uses, see Balsa (disambiguation) . Ochroma pyramidale, commonly known as the balsa tree, is a species of flowering plant in the mallow family, Malvaceae. It is a large, fast-growing tree that can grow up to 30 m (98 ft) tall.Balsa wood is a very lightweight material with many uses. Balsa trees are native to southern Brazil and Bolivia north to southern Mexico.he density of dry balsa wood ranges from 40â340 kg/m 3 (2.5â21.2 lb/cu ft), with a typical density of about 160 kg/m 3 (10 lb/cu ft). The wood of the living tree has large cells that are filled with water.