Table 1.

Extraction yield and total phenolic content.

Sample	Extraction Yield (%) 1	Total Phenolic Content (TPC) (mg/g) 2,5	Total Proanthocyanidin Contents (PRO) (mg/g) 3,5
P. alliacea	5.03	13.45 a ± 0.46	nd 4
P. niruri	5.58	328.80 b ± 13.41	322.93 a ± 11.12
S. reticulata	6.53	79.30 c ± 4.09	22.35 b ± 1.64

¹ g of extract/g of dry material expressed as %. ² mg of gallic acid equivalent (GAE)/g extract. ³ mg of cyanidin chloride equivalent (CCE)/g extract. ⁴ nd = not detected. ⁵ Different superscript letters in the same column indicate differences are significant at p < 0.05.