Abstract
Eucheuma cottoni J. is one type of seaweed that is widely cultivated in Indonesia. The economic value of seaweed can be increased by processing seaweed into semi-finished products such as carrageenan. This research was conducted to determine the effect of the amount of coconut water as a solvent and extraction temperature on the characteristics of carrageenan. This research consists of two stages. The first stage is carrageenan extraction using a factorial Randomized Block Design (RBD). The results of the observational data obtained will be processed using analysis of variance with confidence levels = 5 % and 1 %. Significantly different treatments will be subjected to further statistical tests using DMRT (Ducan’s Multiple Range Test) with a significance level of 5 %. The results showed that the best treatment for carrageenan extraction was obtained from the amount of coconut water 25 mL g-1 and the extraction temperature of 90 °C with a yield value of 52.95 %, gel strength of 483.86 g cm-2, viscosity 50 cP, and water content 6.87 %.
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