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In this context, we have chosen the topic: “Structural determination of bioactive ulvan extracted from green seaweeds Ulva lactuca and Ulva reticulata”, the purpose of the research are to study the structure of bioactive polysaccharides from green seaweed, to improve the researches ofseaweed polysaccharidesand to extend the applied possibilities of Vietnamese seaweed species. | This research has been done at Graduate University of MINISTRY OF EDUCATION VIETNAM ACADEMY OF Science and Technology Vietnam Academy of Science and AND TRAINING SCIENCE AND TECHNOLOGY Technology GRADUATE UNIVERSITY OF SCIENCE AND Supervisor 1 Asc.Prof.Dr Thanh Thi Thu Thuy TECHNOLOGY Supervisor 2 Asc.Prof.Dr Tran Thi Thanh Van ----------------------------- Reviewer 1 Reviewer 2 QUACH THI MINH THU Reviewer 3 STRUCTURAL DETERMINATION OF BIOACTIVE ULVAN The dissertation will be evaluated by the Scientific Council for doctoral EXTRACTED FROM GREEN SEAWEEDS ULVA LACTUCA dissertation at the Graduate University of Science and Technology - AND ULVA RETICULATA Vietnam Academy of Science and Technology in . . date . month 2017. Major Theoretical Chemistry and Physical Chemistry Code 62.44.01.19 SUMMARY OF DISSERTATION ON CHEMITRY The dissertation can be found at Ha Noi 2017 - Library of the Graduate University of Science and Technology - National Library of Vietnam 1 2 INTRODUCTION Recently in Vietnam polysaccharides from the red seaweed and 1. Necessary of the dissertation brown seaweed have been researched and obtained very good results Historically seaweeds are used as raw materials for many but up to now polysaccharides from the green seaweed in general and industrial applications such as food pharmaceutical and cosmetics ulvan from Ulva genus in particular is still pooly investigated. industry. Based on pigmentation seaweeds can be classified into three In this context we have chosen the topic Structural divisions as brown Phaeophyte red Rhodophyte or green algae determination of bioactive ulvan extracted from green seaweeds Chlorophyte . Vietnam has a coastline of about 3000 km with the Ulva lactuca and Ulva reticulata the purpose of the research are to climate varying from subtropical in the northern part to tropical in the study the structure of bioactive polysaccharides from green seaweed southern part of the country which is a rich source of seaweed species. to .
