Total content of Alcohol and other chemical phytoos from Microalga from Rawa River, Sungai Apit, Siak District

摘要

This study aims to determine the phytochemical content, total alcohol, of the microalgae Nannochloropsis sp. Chlorella sp., Trachelomonas Sp. Bacillaria paxillifera, and Cyclotellacryptica. Microalgae were which extracted by single extraction using ethanol. Phytochemical screening was carried out qualitatively. Total alcohol and other biochemical analyzes were performed spectrophotometric ally by the Folin-Ciocalteu method. Phytochemical screening showed the presence of carbohydrate, glucose, protein and fat compounds, and alkaloids in the ethanol extract of the four types of superior microalgae. Meanwhile, most alcohol compounds were found in the Trachelomonas Sp. (7, 00 %). Meanwhile, of the 5 types of superior microalgae, it was known that the highest content of other biochemical compounds was found for glucose compounds of 32.30% in Trachelomonas Sp., carbohydrates 294.88% in Nannochloropsis sp, and 292.75% in Cyclotellacryptica. For the highest protein and fat content, respectively 412, 16 % and 26.43% were found in Bacillaria paxillifera. From the results of this study the types of Trachelomonas Sp. very suitable as a source of raw materials for bioethanol.