Skip to main content
. 2021 Oct 19;10(10):1642. doi: 10.3390/antiox10101642

Table 1.

Extraction yields, total phenolic and flavonoid contents in the methanolic fruit extracts obtained from different spices of genus Piper.

Sample Voucher Extraction Yield TPC (mg GAE/g) TFC (mg RE/g)
P. nigrum L. Black1 PN1/102019 10.5% 40.96 ± 0.42 b 10.03 ± 0.22 b
Black2 PN5/102019 10.9% 40.80 ± 0.45 b 9.12 ± 0.32 b
Black3 PN6/102019 11.9% 36.71 ± 0.18 c 1.44 ± 0.15 e
White PN2/1020219 7.7% 42.11 ± 1.06 b 4.66 ± 0.30 c
Green PN3/102019 12.5% 58.90 ± 1.84 a 18.37 ± 0.27 a
Red PN4/102019 14.5% 41.41 ± 1.00 b 5.42 ± 0.32 c
P. longum L. PL1/112019 18.3% 29.53 ± 0.25 d 3.01 ± 0.03 d
P. retrofractum Vahl. PR1/112019 10.1% 32.60 ± 0.22 e 19.70 ± 0.13 d

Data are presented as mg gallic acid equivalents (GAE)/g extract for the total phenolic content (TPC) and mg rutin equivalents (RE)/g extract for total flavonoid content (TFC) and represent the mean values ± S.D. of three determinations; values in the same column sharing different superscript letters are significantly different at p < 0.05.