![]() ![]() In terms of fatty acid composition however, the Folch procedure proved to be slightly better in recovering polyunsaturated fatty acids, in six out of the ten strains. The modified Folch-based procedure was found to substantially underestimate oil yield in one Chlorella species ( Pā<ā0.01). This was carried out on ten micro-algal strains from 6 phyla where the more rapid direct-derivatization approach was found to provide a more reliable measure of yield. To facilitate a high-throughput screening programme, a very rapid direct-derivatization procedure capable of extracting lyophilized material for GC analysis was compared with a scaled-down Folch-based method. ![]() High-yielding strains are needed to improve economic viability and their compositional information is required for optimizing biodiesel properties. ![]() The phenotypic and phylogenetic diversity of micro-algae capable of accumulating triacylglycerols provides a challenge for the accurate determination of biotechnological potential. ![]()
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