TABLE 1.

Major chemical constituents of M. officinalis essential oil and leaves.

M. officinalis	Essential oil	Leaf
Terpenes -Monoterpenes	Citronellal (Aharizad et al., 2012; Cosge et al., 2009; Ehsani et al., 2017) Thymol (Cosge et al., 2009; Aharizad et al., 2012; Ehsani et al., 2017) Citral (neral and geranial) (Cosge et al., 2009; Aharizad et al., 2012; Abdellatif et al., 2014; Ehsani et al., 2017)
-Sesquiterpenes	β-Caryophyllene (Cosge et al., 2009; Aharizad et al., 2012; Abdellatif et al., 2014; Ehsani et al., 2017) Caryophyllene oxide (Mimica-Dukic et al., 2004; Abdellatif et al., 2014) Limonene (Mimica-Dukic et al., 2004) Germacrene D (Mimica-Dukic et al., 2004)
-Triterpenes		Ursolic acid (Ibragic et al., 2014; Tantry et al., 2014) Oleanolic acid (Ibragic et al., 2014; Tantry et al., 2014) 3β,16β,23-Trihydroxy-13,28-epoxyurs-11- ene-3-O-β-D-glucopyranoside (Mencherini et al., 2007) 3,23-Disulfate ester of 3β,19α,23- trihydroxyurs-12-en-28-oic acid (Mencherini et al., 2007) 3,23-Disulfate ester of 2α,3β,19α,23- tetrahydroxyurs-12-en-28-oic acid (Mencherini et al., 2007) 3,23-Disulfate ester of 2α,3β,19α,23-tetrahydroxyurs-12-en-28-oic acid 28-O-β-D-glucopyranoside (Mencherini et al., 2007) 3,23-Disulfate ester of 3β,23,29- trihydroxyolean-12-en-28-oic acid (Mencherini et al., 2007) 3,23-Disulfate ester of 2α,3β,23,29- tetrahydroxyolean-12-en-28-oic acid (Mencherini et al., 2007) 3,23-Disulfate ester of 2α,3β-23,29- tetrahydroxyolean-12-ene-28-oic acid, 28-Oβ-D-glucopyranoside (Tantry et al., 2014) 23-Monosulfate ester of 2α,23-dihydroxyurs12-ene-28-oic acid, 3-O-β-D- glucopyranoside (Tantry et al., 2014)
Polyhenolics -Phenolic acids		Rosmarinic acid (Ibragic et al., 2014) Caffeic acid (Ibragic et al., 2014) Protocatechuic acid (Ibragic et al., 2014) Cinnamic acid (Ibragic et al., 2014) Chlorogenic acid (Ibragic et al., 2014) Gallic acid (Ibragic et al., 2014) Ferulic acid (Arceusz et al., 2015) Ellagic acid (Arceusz et al., 2015) p-Coumarinic acid (Arceusz et al., 2015) Salvianolic acid (Barros et al., 2013)
Flavonoids -Flavones		Luteolin (Mencherini et al., 2007) Apigenin (Mencherini et al., 2007)
-Flavanones		Hesperidin (Pereira et al., 2014; Shakeri et al., 2016) Hesperetin (Pereira et al., 2014; Shakeri et al., 2016) Naringin (Pereira et al., 2014; Shakeri et al., 2016) Naringenin (Pereira et al., 2014; Shakeri et al., 2016)
-Flavanols		Catechin (Patora and Klimek, 2002; Shakeri et al., 2016) Epicatechin (Patora and Klimek, 2002; Shakeri et al., 2016) Routin (Patora and Klimek, 2002; Shakeri et al., 2016)
-Flavonols		Quercetin (Arceusz et al., 2015) Myricetin (Arceusz et al., 2015) Quercitrin (Patora and Klimek, 2002; Mencherini et al., 2007; Shakeri et al., 2016) Rhamnocitrin (Patora and Klimek, 2002; Mencherini et al., 2007; Shakeri et al., 2016) Isoquercitrin (Patora and Klimek, 2002; Mencherini et al., 2007; Shakeri et al., 2016)