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Background  Isolation of methyl gamma linolenate from  Spirulina platensis  using flash chromatography and its apoptosis inducing effect against human lung carcinoma A- 549 cell lines.    Methods  Gamma linolenic acid is an important omega-6 polyunsaturated fatty acid (PUFA) of medicinal interest was isolated from microalgae  Spirulina platensis  using flash chromatography system (Isolera system) as its methyl ester. The isolated methyl gamma linolenate was characterized by IR,  1 H NMR,  13 C NMR and mass spectral analysis and the data were consistent with the structure.    Results  The percentage yield of isolated methyl gamma linolenate is found to be 71 % w/w, which is a very good yield in comparison to other conventional methods. It was subjected to i n-vitro  cytotoxic screening on A-549 lung cancer cell lines using SRB assay and result was compared with standard rutin.    Conclusion  It may be concluded that the Flash chromatography system plays a major role in improving the yield for theisolation of methyl gamma linoleate from  Spirulina platensis  and the isolated molecule is a potent cytotoxicagent towards human lung carcinoma cell lines, however it may be further taken up for an extensive study.

Isolation of methyl gamma linolenate from spirulina platensis using flash chromatography and its apoptosis inducing effect