Part I: Introduction to Algae and Their Importance. 1. Biological importance of marine algae (Ali A. El. Gamal, Saudi Arabia). 2. Seaweeds: The Wealth of Ocean (Murty USN, India). 3. Eco-biochemical studies of common seaweeds in the lower Gangetic delta (Abhijit Mitra, India). 4. Chemodiversity and bioactivity within red and brown macroalgae along the French coasts, Metropole and overseas departments and territories (Nathalie Bourgougnon, France). 5. Physiological Basis for the use of Seaweeds as Indicators of Anthropogenic Pressures: The case of Green-tides (Jesus M. Mercado, Spain). 6. Significance of the presence of trace and ultratrace elements in seaweeds (Pilar Bermejo Barrera, Spain). Part II: Isolation and Chemical Properties of Molecules Derived from Seaweeds. 7. Chemical composition of Seaweeds (Ladislava Misurcova, Czech Republic). 8. Structural Peculiarities of Sulfated Polysaccharides from Red Alga Tichocarpus crinitus (Tichocarpaceae) and Chondrus pinnulatus (Gigartinaceae) collected at Russian Pacific Coast (Anna Barabanova, Russia). 9. Extraction and Characterization of seaweed nanoparticles for application on cotton fabric (S. Thambidurai, India). 10. Enzyme-enhanced extraction for recovery of bioactive components from seaweeds (You-Jin Jeon, South Korea). 11. Structure and use of Algal Sulfated Fucans and Galactans (Vitor Hugo Pomin, USA). 12. Bioactive metabolites from seaweeds (Yonghong Liu, China). 13. Seaweed digestibility and different methods for digestibility determination (Ladislava Misurcova, Czech Republic). 14. Metalation Studies of Metallothionein from brown seaweed Fucus vesiculosus (Martin Stillman, London, Ontario). Part III Biological Properties of Molecules Derived from Seaweeds. 15. In vivo and in vitro Toxicity Studies of Fucoxanthin, a Marine Carotenoid (Yoshimi Niwano, Japan). 16. Seaweeds as potential Resources for Omega-3 and Other Nutraceutical Ingredients (Kazuo Miyashita, Japan). 17. Immune regulatory effects of pholorotannins derived from marine brown algae (Phaeophyta) (Won-Kyo Jung, South Korea). 18. In vivo and in vitro studies of seaweeds compounds (Pilar Bermejo Barrera, Spain). 19. Brown Seaweed-Derived Phenolic Phytochemical and Their Biological Activities for Functional Food Ingredients with Focus on Ascophyllum nodosum (Emmanouil Apostolidis, USA). 20. Anti-obesity and anti-diabetic effects of Seaweeds (Chang-Suk Kong, South Korea). 21. Anti-inflammatory mechanism of phlorotannins derived from Eisenia bicyclis (Noel Vinay Thomas, South Korea). 22. Biological effects of protein extracted from marine algae (Taek-Jeong Nam, South Korea). 23. Functional ingredients from marine algae as potential antioxidants in food industry (Isuru, South Korea). 24. Seaweed Carotenoids (Kazuo Miyashita, Japan). Part IV: Biotechnology of Seaweeds. 25. Biotechnology of Seaweeds: Facing the Coming Decade (Song Qin, China). 26. In Vitro Production of Secondary metabolites from Seaweeds and their biological activity (A. Bakrudeen Ali Ahmed, Malaysia). 27. Transformation Mechanisms in heavy metals by Algal bacteria consortia (Enrique Javier Pena, Colombia). Part V: Natural Resource Management and Industrial Applications of Seaweeds. 28. Manufacturing Technology of Bioenergy Using Algae (Dong-Joong Im, Korea). 29. Seaweed as an adsorbent to treat Cr (VI) contaminated wastewater (Saroj Sundar Baral, India). 30. Using the biomass of seaweeds in the production of components of feed and fertilizers (Katarzyna Chojnacka, Poland). 31. Application of seaweeds in meat based functional foods (F. Jimenez Colmenero, Spain). 32. Industrial Applications of Macroalgae (Janak K. Vidanarachchi). 33. Seaweeds applications in the food industry (Pilar Bermejo Barrera, Spain). 34. A Dimensional Investigation On Seaweeds: Their Biomedical And Industrial Applications (P.N. Sudha, India). 35. Seaweed Polysaccharides - Food Applications (Vazhiyil Venugopal Menon, India).