The thesis provides additional scientific data on the nutritional and biological value of grape seaweed. On the other hand, the thesis has also built a process of preliminary processing, preserving sea grape by the method of adjusting MAP gas and assessing the change in quality of grape seaweed by storage time, . Research results The dissertation is a new scientific data on seaweed, serving teaching and researching activities at Nha Trang University as well as a number of other schools and research institutes. | Summary of the Doctoral thesis: Study on pre-processing and preservation of post-harvested sea grapes (Caulerpa lentillifera J. Agardh 1837)