The invention provides a novel compound which is safe without side effect and has a good anti-tumor function, an anti-tumor agent which is safe without side effect and has a good anti-tumor function, and pharmaceuticals, food or cosmetics which are safe without side effect and have a good anti-tumor function. The invention provides a novel compound (A) expressed in the following formula (1), an anti-tumor agent having the novel compound (A), and pharmaceuticals, food or cosmetics which have the novel compound (A) and an anti-tumor function.