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. 2020 Jul 31;25(15):3518. doi: 10.3390/molecules25153518

Table 3.

List of clean-up procedure investigated in this study.

No Sorbent Compositions Sample Volume Product Name
1 150 mg MgSO4, 25 mg PSA1, 25 mg C18 1 mL EN
2 150 mg MgSO4, 50 mg PSA, 50 mg C18 1 mL AOAC
3 2 5 mL EMR-lipidTM.3
4 10 mL n-hexane 10 mL

1 PSA—primary secondary amine; 2 the contents were not disclosed by the producer; 3 EMR-lipidTM—enhanced matrix removal-lipid method.