<P> Betalains are a class of red and yellow indole - derived pigments found in plants of the Caryophyllales, where they replace anthocyanin pigments . Betalains also occur in some higher order fungi . They are most often noticeable in the petals of flowers, but may color the fruits, leaves, stems, and roots of plants that contain them . They include pigments such as those found in beets . </P> <P> The name "betalain" comes from the Latin name of the common beet (Beta vulgaris), from which betalains were first extracted . The deep red color of beets, bougainvillea, amaranth, and many cactuses results from the presence of betalain pigments . The particular shades of red to purple are distinctive and unlike that of anthocyanin pigments found in most plants . </P>

What is the name of the pigment found in beetroot cells