�ber die Eiwei�qualit�t von einzelligen Algen und von jungem Gr�nblatt h�herer Pflanzen

Composition of the product of algal culture in the liquid phase of animal slurry

“…The composition and nutritional potential of algae have also attracted interest for many years. [11][12][13][14][15] Of particular interest are reports on the nutritive value of sewage grown algae for rats,16 chicks17 and for pigs, cattle and sheep.18 However, a major constraint upon the exploitation of waste grown algae as ingredients in animal feeding rations is the indigestibility of the algal cell, and fracti~nationl~ and the use of mutants lacking a cell wall20 have been proposed to meet this problem. There is both biochemical and ultrastructural evidence21 which suggests that the resistance of the algal cell to enzymatic attack is related to the presence in the cell wall of sporopollenin-a polymer of carotene and one of the most resistant compounds in the organic world.22 C .…”