Skip to main content
. 2019 Mar 10;2019:8673521. doi: 10.1155/2019/8673521

Table 4.

Phenolic acid contents expressed in μg per 1 g of dry weight of extracts. Mean values of three replicate assays with standard deviation.

Phenolic acid E. gracilistylus E. divaricatus E. senticosus E. henryi E. sessiliflorus
Protocatechuic acid 446 ± 1 435.5 ± 5.5 838 ± 12 1865 ± 35 529 ± 1
Salicylic acid <LOQ 30.6 ± 0.2 16.8 ± 1 <LOQ 41.4 ± 2.6
Caffeic acid nd 49 ± 0.3 135.5 ± 3.5 244 ± 2 49.1 ± 0.3
p-Coumaric acid 30.6 ± 0.95 12.35 ± 0.12 23.6 ± 0.3 55 ± 0.2 <LOQ
Ferulic acid 64.6 ± 3 46.6 ± 3 43.9 ± 2.4 55 ± 1.8 11 ± 0.3

nd: not detected.