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Supercritical CO 2 extraction of Plumula nelumbinis oil was investigated at temperatures of 308–338K and pressures of 15–45MPa. The yield of the extracted oil was 0.128g/g material at optimal conditions, in which gamma-sitosterol, unsaturated fatty acids and gamma-tocopherol had higher relative concentrations as determined by GC–MS. The broken and intact cell (BIC) model, with reduced adjustable...
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