Effect of Sugar Concentration on Physical and Chemical Characteristics of Kombucha Seaweed (Gracilaria verrucosa)

Seaweed has been identified to increase endurance, anti-cancer, prevent premature aging, maintain skin smoothness. The potential for developing kombucha tea is very large in Indonesia, because until now there no industry that produces and sells widely. Kombucha an herbal product the form of a drink which result symbiosis bacteria yeast containing number vitamins, minerals, enzymes, organic acids. also beneficial health, namely as antioxidant, antibacterial, improving intestinal microflora, increasing body resistance lowering blood pressure. purpose this study was determine effect sugar concentration on physical chemical characteristics Gracilaria verrucosa seaweed tea. carried out using one factorial completely randomized design. treatment 9%, 10%, 11% 12%. results showed with addition higher concentration, viscosity alcohol content, while pH value vitamin C content were inversely proportional added concentration.The optimal found at 9% it had values not much different from P0 comparison data, highest lowest content.