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. 2017 Oct 21;22(10):1785. doi: 10.3390/molecules22101785

Table 3.

Phenolic compounds of the four extracts of S. orientalis.

Peak No. Compound Concentration (mg/g Extract)
SE-MeOH SE-Hex SE-EA SE
1 Chlorogenic acid 0.95 ± 0.05 - b 0.72 ± 0.04 0.98 ± 0.04
2 Syringic acid TA a TA a 2.21 ± 0.11 0.26 ± 0.02
3 p-Coumaric acid - b TA a 1.76 ± 0.08 0.71 ± 0.03
4 Syringaldehyde - b 0.34 ± 0.02 0.57 ± 0.03 0.39 ± 0.02
5 Luteolin - b - b TA a TA a
6 Apigenin - b - b TA a TA a

a TA: Trace amount; b -: Not detectable.