The quantity determination of total carbohydrates and monosaccharides from some green algae (Chlorophyta)

Abstract

The present study was employed the determination of total carbohydrates and monosaccharides from three green algal species are : Chlorella vulgaris, Cladophora crispata and Ulothrix cylindricum isolated from (Al-Ashar,Abul Khaseeb and Garmat –Ali) rivers in Basra. The results revealed that carbohydrate concentrations reach about (280, 200,120) μg/g in Cl. crispata , U. cylindricum and C. vulgaris Respectively. Gas chromatography technique (GC) the identification of the monosaccharides glucose , rhaminoes, galactose, xyloes & ribose was done, which were differs in their concentration and existence together with different of the algal species. C. vulgaris contain glucose ,ribose , xyloes , rhaminoes ,& galactose in concentrations are (11.5, 8.6 , 8.7 , 8.8 , 8.6 ) % respectively , while Cl. crispata contain rhaminoes, galactose, xyloes, & ribose in concentrations (11.49, 12.3, 10.5, 13.3)% respectively , and U. cylindricum contain a galagtose , xyloes, ribose in concentrations (12.5 , 11.4, 10.5) % respectively .