Antioxidant Activity of Lawsonia inermis Extracts Inhibits Chromium(VI)-Induced Cellular and DNA Toxicity

Table 1

Major phenolic compounds present in aqueous and methanolic extracts of L. inermis as determined by HPLC.

Phenolic compounds	Lawsonia inermis aqueous extract	Lawsonia inermis methanolic extract
Simple polyphenols
Chlorogenic acid   (caffeoylquinic acid)	+	−
Ferulic acid	+	−
Gallic acid	+	+
Isoferulic acid	+	−
m-coumaric acid	+	−
o-coumaric acid	+	−
p-hydroxybenzoic acid	−	+
Flavonoids (flavones, flavonols, and flavanones)
7, 4^′-dihydroxyflavone	+	−
Apigenin	+	−
Flavone	+	−
Flavonol	+	−
Kaempferol	+	−
Luteolin	+	−
Luteolin-7-O-glucoside	+	−
Myricetin	+	−
Naringenin-7-O-rutinoside	−	+
Quercetin	+	−
Vitexin-2^′-O-rhamnoside	+	−
Catechins
(+)—catechin	+	−
(−)—catechin gallate	+	−
(−)—epicatechin gallate	+	−
Chalcones
Butein	+	−
Chalcone	+	−
Phloretin	+	−
Anthocyanins
Cyanidin	+	−
Cyanidin-3-O-rutinoside	+	−
Pelargonidin	+	−