https://amg487.com/prone-posit....ion-permanent-magnet
GC-MS had been used to determine the levels of PAHs in edible oils. Sesame oils obtained from seeds by plate-pressing extraction method had reduced levels of PAHs than those removed by screw-expeller extraction method from sesame flour. Moreover, the amount of PAHs increased by 62.2per cent if the removal time was much longer. Notably, the PAHs currently present in oils could be successfully reduced by refining procedures such as for example sinking, centrifugation, filtration, an
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