Juglans regia, the Persian walnut, English walnut, or especially in Great Britain, common walnut, is an Old World walnut tree species native to the region stretching from the Balkans eastward to the Himalayas and southwest China. The largest forests are in Kyrgyzstan, where trees occur in extensive, nearly pure walnut forests at 1,000–2,000 m altitude—notably at Arslanbob in Jalal-Abad Province Chemicals: Gibberellin A1, Gibberellin A4, Gibberellin A8, Gibberellin A19, Gibberellin A20, Gibberellin A29, Gibberellin A44, Gibberellin A53, 5-Hydroxy-1,4-naphthoquinone, Gallic acid, Pedunculagin, Tellimagrandin I, Linaloyl acetate, Linaloyl acetate, Betulin, Juglanin, Avicularin, delta-Tocopherol, beta-Tocopherol, gamma-Tocopherol, alpha-Tocopherol, Eugenin, delta-Tocotrienol, Strictinin, 2-Methyl-1,4-naphthoquinone Nutrients: Carbohydrate: 13710.000 - 17900.000 mg/100g Energy: 654.000 - 2738.000 kcal/100g Fat: 55050.000 - 55050.000 mg/100g Fatty acids:...