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. 2019 May 8;9(5):179. doi: 10.3390/biom9050179

Table 4.

Compounds detection in each Plectranthus spp. extract and their corresponding characteristic retention times.

Extract n RT (min)
Clo 6.54 Caf 8.32 Nar 10.14 Rut 11.67 Ros 12.43 Roy 14.75 ColU15.44
E1 + + + +
E2 + + + +
E3 + + + +
E4 + + + + +
E5 + + + + +
E6 + + +
E7 + + +
E8 + + + +
E9 + + + + +
E10 + + + +
E11 + + + +
E12 + + + +
E13 + + + +
E14 + + +
E15 + + + +
E16 + + +
E17 +
E18 + + +
E19 + + + +
E20 + + + + +
E21 + +
E22 + + + +
E23
E24 + +
E25 +
E26 + + + +

RT, characteristic retention time in the developed HPLC method; Clo, Chlorogenic acid 2; Caf, Cafeic acid 1; Nar, Naringin 7; Rut, Rutin 6; Ros, Rosmarinic acid 3; Roy, 7α-acetoxy-6β-hydroxyrooyleanone 4; ColU, Coleon U 5. + detected compound; − not detected.