Table 2
Extraction yields and total phenolic contents of water extracts

Sample Yield (%) TPC (mg GA/mg ext)
Eclipta prostrata L. 19 0.015±0.001
Phellinus linteus 6 0.036±0.002
Uncaria gambir Roxburgh 64 0.142±0.011
Terminalia chebula Retzius 52 0.120±0.009
Ulmus macrocarpa Hance 16 0.051±0.002
Rheum officinale Baillon 44 0.044±0.003
Pterocarpus santalinus L. 3 0.117±0.006