. 2021 Aug 25;26(17):5156. doi: 10.3390/molecules26175156

Table 1.

Main compounds identified in L. graveolens and other Mexican oregano species.

Fraction	Species	Type of Isolation	Mainly Identified Compounds	Content		Reference
Fraction	Species	Type of Isolation	Mainly Identified Compounds	Concentration (mg mL⁻¹/μg mg⁻¹ Extract)	% EO	Reference
Phenolic extracts	L. graveolens	Solid: liquid (80% methanol)	Quercetin O-hexoside/ Luteolin-glucuronide-glucoside/ Lithospermic acid/Pentahydroxy dihydrochalcone derivative	-	-	[4]
	L. graveolens	C0₂ SCFE (80 bar 35 °C/ atmospheric 20 °C)	Eriodyctiol /Naringenin/ Sakuranetin/ Cirsimaritin/ Chrysoeriol	4.9 ± 0.2 ^B/4.6 ± 0.2 ^B/3.1 ± 0.29 ^B/2.34 ± 0.04 ^B/1.3 ± 0.1 ^B	-	[15]
	L. graveolens	Solid: liquid (methanol/acetone/water) (50:40:10)	Quercetin-O-hexoside/ Scutellarein 7-O-hexoside/ Phloridzin/ Trihydroxy-methoxyflavone derivative/ 6-O-Methylscutellarein	-	-	[25]
	L. graveolens	Solid: liquid 1:20 (58% ethanol)	Pinocembrin/ Galangin/ phlorizin/ Naringenin/Quercetin/ Hispidulin/ Taxifolin	3.231 ± 0.390 ^A/ 3.231 ± 0.390 ^A/3.231 ± 0.390 ^A/3.231 ± 0.390 ^A/ 0.018 ± 0.008 ^A/0.022 ± 0.003 ^A/0.022 ± 0.003 ^A		[26]
Essential oil	L. berlandieri	Commercial	p-cymene/Carvacrol/ β-pinene/Caryophyllene/ Camphene/ α-pinene	-	35.54/26.86/4.69/4.50/4.10/3.89	[13]
	P. longiflora	Clevenger-type apparatus	Carvacrol/ Thymol acetate/ Carvacrol, methyl ether/ Terpinolene/ p-cymene/ Borneol/ β-pinene	-	23.31/17.06/7.81/6.96/6.7/4.36/ 3.57	[19]
	L. graveolens	Hydro-distillation	Different chemotypes Carvacrol/ Thymol/ β-caryophyllene	-	53.05/70.6/27.6	[27]
	L. graveolens	Commercial	Thymol/ p-cymene/ Carvacrol/ β-caryophyllene/1,8-Cineole/ γ-terpinene	-	31.66/18.72/14.57/5.62/3.44/2.42	[28]

The letter means: A = mg mL⁻¹ extract, B = μg mg⁻¹ extract and % EO = Concentration on essential oil.