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. 2018 Jul 16;23(7):1730. doi: 10.3390/molecules23071730

Figure 4.

Figure 4

The biplot demonstrates the correlation between extracts and fractions of P. cubeba L. at concentration 62.5 µg/mL with anti-inflammatory activity on nitrite oxide (NO) production. MeOH: methanol extract; EtOH: ethanol extract; Hex: hexane extract; HF: hexane fraction; EA: ethyl acetate fraction; AqMe: aqueous methanol fraction. The numbers indicate the identified putative metabolites. 1: cubebin; 2: yatein; 3: hinokinin; 4: dihydrocubebin; 5: dihydroclusin; 6: cubebinin; 7: magnosalin; 8: p-cymene; 9: piperidine; 10: cubebol; 11: d-germacrene; 12: ledol. X: metabolites in P. cubeba L., Y: 1/NO.