List of Articles Birch 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 - Evaluation the effect of elicitors on antioxidant properties and mycelial secondary metabolites of Stereum hirsutum, Hyphodontia paradoxa and Arthrinium arundinis from Golestan province lazemi golaem vahide payamnoor jamile nazari omran alishah Open Access Article Abstract Page Full-Text 3 - Isolation and molecular identification of the carotenoid producing yeasts in the exudation sap from birch trees (Betula pendula Roth.) at Marmisho region of Northwest Iran Faezeh Ajorloo Mohsen Vaez Jafar Hemmat Open Access Article Abstract Page Full-Text 4 - Molecular screening of astaxanthin-producing yeasts of birch sap-flows in Alborz Province of Iran Faezeh Ajorloo Mohsen Vaez Jafar Hemmat