English literature - Student Encyclopedia (Ages 11 and up) The writers of the British Isles, including England, Scotland, and Wales, have produced a great wealth of literature. The language in which English literature is written has evolved over hundreds of years and is still changing.
The indole test is a biochemical test performed on bacterial species to determine the ability of the organism to split indole from the amino acid tryptophan.
Indole FortÃ©â¢ is a rich source of dietary indoles, a class of phytochemical compounds provided by cruciferous vegetables. Researchers believe many of the health benefits conferred by crucifers such as broccoli, cabbage, cauliflower, and kale are attributable to protective effects exerted by indoles. Indoles play an important role in modulating the activity of cell receptors as well as beneficially influencing the metabolism of steroid hormones such as estrogen.