Malvidin

3,4 ' ,5,7- tetrahydroxy -3 ', 5'- dimethoxyflavyliumchlorid

Red-brown, odorless solid

Fixed

Template: Infobox chemical / molecular formula search available

Malvidin is a primary plant pigment, which belongs to the group of flavonoids and to Flavonoiduntergruppe of anthocyanins. As many aglycone glycosides as Malvin ( malvidin -3 ,5- diglucoside ), it is often represented in nature and among other things, for the color of red wine and the blue color in the primroses responsible.

Properties

Malvidin is a moderately water soluble, flammable, as chloride reddish- brown powder. It irritates mucous membranes and eyes on contact.

Occurrence

Anthocyanins, the glycosides of anthocyanidins are vegetable dyes from the group of flavonoids. The water-soluble anthocyanins are found in almost all higher plants with red, violet, blue or yellow color. At pH values ​​below 4, they show a red coloration, 4-5 they are colorless at pH 6 to 7 purple, deep blue at 7 to 8, and 8, they have a yellow coloration.