Study on chemical constituents and biological activities of four lichens growing in the south of vietnam

.. .VIETNAM NATIONAL UNIVERSITY - HO CHI MINH CITY UNIVERSITY OF SCIENCE  DƯƠNG THÚC HUY STUDY ON CHEMICAL CONSTITUENTS AND BIOLOGICAL ACTIVITIES OF FOUR LICHENS GROWING IN THE SOUTH OF VIETNAM. .. compounds according to the diversity of lichens in Vietnam From my interest in the diversity and biological activities of lichen substances, phytochemical studies on some lichens growing in Vietnam were... their taxonomy but not on chemical constituents Since recent years, lichens growing in Vietnam have been interested in chemical constituents, for examples, the studies on the lichens Parmotrema prasorediosum