Open Access Research Paper Views (317) Download (9) South Khorasan Province, Iran the largest producer of Berberis vulgaris in the World: investigation of tannin content in the fruit Zahra Moodi, Ghodsieh Bagherzade J. Bio. Env. Sci.7( 6), 285-292, December 2015. Key: AlkaloidsBarberryBerberineBerberis vulgarisTannins Details