Table 7.

Effects of region of cultivation on TPC, TFC, TPrAC, IC₅₀ and FRAP in the same cultivar^a

FRAP f	IC50 e	TPrAC d	TFC c	TPC b	Site
6.755±0.02c	9.158±0.02b	128.884±0.3c	99.129±0.5c	130.133±0 5c	Damghan
6.21±0.01d	9.722±0.02a	121.008±0.3d	97.520±0.5d	129.270±0. 5d	Feizabad
9.949±0.01a	8.545±0.02d	147.512±0.5a	128.919±0.5a	154.717±0.4a	Rafsanjan
8.127±0.01b	8.907±0.02c	130.812±0.5b	107.265±0.2b	131.903±0.5b	Sarakhs

^a Means ± SD (standard deviation) in a column not connected by same letter are significantly different at p˂0.05.

^b Total phenolic content (TPC, mg gallic acid equivalents per g of dried plant)

^c Total flavonoid content (TFC, mg quercetin equivalents per g of dried plant)

^d Proanthocyanidin content (TPrAC, mg catechin equivalents per g of dried plant)

^e DPPH radical scavenging activity (IC₅₀, µg per ml)

^f ferric reducing activity (FRAP, mmol per g)