List of Articles بتولین Open Access Article Abstract Page Full-Text 1 - The evaluation of the absorption of some secondary metabolites (betulin, betulinic acid, phenol, flavonoids) and antioxidant activity of wood-inhabiting fungi on Betula pendula(L) Roth. in Golestan province Jameleh Nazari, vahedeh Payamnoor Mohammad Reza Kavosi Open Access Article Abstract Page Full-Text 2 - Investigation of Triterpenic Acid Diversity in jujube Ziziphus jujuba mill. from Various Habitats in Iran zhaleh khoshsima Amir Abdolah Mehrdad Sharif Ahmad Akrami