Abstract
The Governments of India and West Germany have initiated and supported a joint microalgae research project in India from 1973 to 1981. Data are presented about the green alga Scenedesmus obliquus, pertaining to its cultivation, processing, chemical composition, nutritional and toxicological properties. Optimal growth rates were obtained from algae supplied with CO 2 and molasses as carbon sources. Various analyses showed a nutritionally excellent composition of the alga. Among the different processing methods tested, drum-drying gave the best results which could be confirmed by nutritional evaluations such as PER (Protein Efficiency Ratio), NPU (Net Protein Utilization), BV (Biological Value) and DC (Digestibility Coefficient). Preliminary toxicological studies with rats did not show any adverse symptoms or indications which would limit the utilization of Scenedesmus as a supplement in food and feed.
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