Raphanus sativus var.niger
Annual plant of uncertain origin, it is extensively cultivated in Portugal and other regions of temperate climate.
It belongs to the Brassicaceae (Cruciferae) family and the parts of the plant used are the roots.
The core constituents are sulfuric glycosides (glucosinolates), one of the main ones is glucobrassicin. It also has essential oil with sulfur compounds, carbohydrates, amino acids, anthocyanosides and vitamins.
It has choleretic, cholagogue and hepatoprotective activity. Black radish increases intestinal peristalsis. The volatile sulfur products are antimicrobial and rubefacient. It has antiviral action.
Black radish is traditionally used as choleretic, cholagogue and hepatoprotective, in the prevention of lithiasis and its complications.
If you wish, you can find more information about dark radish in the scientific studies and literature available here:
Lugasi A et al. (2005). Antioxidant effect of squeezed juice from black radish (Raphanus sativus L. var niger) in alimentary hyperlipidaemia in rats. Phytotherapy Research 19 (7): 587-591.
Hanlon PR, Webber DM and Barnes DM (2007). Aqueous extract from Spanish black radish (Raphanus sativus L. Var. niger) induces detoxification enzymes in the HepG2 human hepatoma cell line. Journal of Agricultural and Food Chemistry 55 (16): 6439-6446.
Cunha AP, Silva AP, Roque OR (2012). Plantas e Produtos Vegetais em Fitoterapia, 4ª Edição, Fundação Calouste Gulbenkian Serviço de Educação e Bolsas, 562-563.
Physicians Desk Reference for Herbal Medicines (2000), 2nd Edition, Thomson Medical Economics, 628-629.