In-vitro assessment of antioxidant and antimicrobial activities of methanol extracts and essential oil of Thymus hirtus sp. algeriensis

Table 2 Major of phenolic compounds (% of total) identified in Thymus algeriensis methanolic extract by HPLC

Compounds	Content (μg/g of dry plant material weight)			Approximate RT (min)
	MT^a	MG^a	MOK^a
phenolic acids
Hydroxyphenyl acetic acid	914.26 ± 3.42	2053.42 ± 532.2	nd^b	2.425
gallic acid	723.19 ± 4.1	744.72 ± 12.1	2780.57 ± 492.1	6.0
syringic acid	119.31 ± 4.2	148.45 ± 33.3	-	14.35
Ferulic acid	250.18 ± 3.2	41.64 ± 6.2	4657.94 ± 840.1	24.66
Methyl galate	Nd	229.84 ± 99.2	nd	3.61
Vanillic acid	1189.39 ± 973.3	614.72 ± 41.2	nd	15.96
Hydroxybis	132.2 ± 0.3	5581.77 ± 531.7	nd	3.69
flavonoids
Tyrosin	5013.06 ± 934.1	59.48 ± 3.9	nd	5.85
flavone	128.6 ± 0.4	65.65 ± 9.6	5512.01 ± 372.2	9.16
Vanillin	1079.26 ± 57.1	126.08 ± 15.8	nd	17.56
(+)- Catechin hydrate	18.01 ± 0.22	4.9 ± 0.7	nd	19.68
Rutin	609.62 ± 0.6	88.54 ± 2.8	nd	23.65

^aPlant codes are indicated in Table 1; ^bnd: not detected. Values are means ± SD of three independent replicates from two different samples of each collection sites (n = 6).

ISSN: 1476-511X