In the context of a global shift toward a green economy and sustainable development, seaweeds are increasingly recognized as a valuable resource with significant biological, economic, and environmental benefits. In Viet Nam, given the rich diversity of seaweed resources, there is a growing and urgent need to advance research and applications in seaweed cultivation and processing technologies to enhance value addition and to meet emerging demands in the food, fisheries, and pharmaceutical–cosmetic industries.

This reference book, “Viet Nam Seaweed Cultivation and Processing Technology,” was compiled within the framework of the project “Improving the sustainability of marine economics through professional and educational collaboration” funded by the Embassy of Ireland in Viet Nam. The book is primarily intended for students in Food Technology, Aquaculture, and Seafood Processing, and also serves as a useful resource for researchers, technical staff, and stakeholders interested in the sustainable development of the marine economy.

The book covers: (1) An overview of Vietnamese seaweeds; (2) Seaweed resources in Viet Nam; (3) Cultivation and processing of cottonii (Kappaphycus alvarezii); (4) Cultivation and processing of Gracilaria gracilis; (5) Cultivation and processing of laver (Pyropia); (6) Cultivation and processing of Sargassum spp.; (7) Cultivation and processing of sea grapes (Caulerpa lentillifera); (8) Cultivation and processing of sea lettuce (Ulva); (9) Cultivation and processing of Monostroma; and (10) Cultivation and processing of sea lettuce (Ulva lactuca).

The book is developed based on the synthesis, analysis, and citation of numerous domestic and international studies on seaweed cultivation technologies, as well as processing technologies for key products such as carrageenan, agar-agar, and alginate. Notably, it also incorporates outcomes from seaweed-based food product development conducted by the project team, including lecturers and students from the Faculty of Chemical Engineering and Food Technology, Nong Lam University, Ho Chi Minh City.

With an integrated approach that combines theory, technology, and production practice, the book not only provides fundamental knowledge but also highlights the development potential of Viet Nam’s seaweed sector within the global value chain. The authors expect that this reference will contribute to strengthening training capacity, research, and practical applications, while reaffirming the critical role of seaweeds in the national strategy for sustainable marine economic development.

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The authors