Analysis of two drying methods on the yield and activity of sulfated polysaccharides extracted from Halymenia sp. (Rhodophyceae) - doi: 10.4025/actascibiolsci.v34i1.6961. Acta Sci. Biol. Sci. 2011;34(1):5-11. doi:10.4025/actascibiolsci.v34i1.6961