. 2023 May 9;12(10):1930. doi: 10.3390/foods12101930

Table 1.

The inhibition zones (expressed in mm) obtained testing the L. monocytogenes strains against 18 EOs (mean ± SD).

Essential Oils	L1		L5		L17		L18		UBL2–01-2(1)
Essential Oils	5 µL	10 µL	5 µL	10 µL	5 µL	10 µL	5 µL	10 µL	5 µL	10 µL
Basil	- ¹	8.68 ± 1.15 ^jk	7.33 ± 0.58 ^gh	10.33 ± 0.58 ^kl	9.67 ± 0.58 ^de	11.00 ± 3.61 ^ef	9.67 ± 0.58 ^de	13.00 ± 2.00 ^fg	-	8.00 ± 0.00 ⁱ
Black pepper	10.00 ± 0.00 ^de	14.33 ± 1.15 ^gh	7.00 ± 0.00 ^h	16.33 ± 0.58 ^fg	12.00 ± 1.00 ^cd	14.33 ± 3.21 ^def	12.00 ± 0.00 ^d	15.00 ± 2.65 ^fg	10.68 ± 0.58 ^ef	15.00 ± 0.00 ^efg
Cassumunar ginger	10.33 ± 1.15 ^de	18.00 ± 0.00 ^e	11.33 ± 1.15 ^e	18.00 ± 2.00 ^f	11.33 ± 0.58 ^d	18.00 ± 2.00 ^d	10.33 ± 0.58 ^de	21.00 ± 1.00 ^d	7.00 ± 0.00 ^g	16.00 ± 1.73 ^ef
Cinnamon	34.67 ± 1.15 ^b	35.67 ± 1.15 ^c	31.00 ± 1.00 ^c	33.33 ± 1.15 ^d	30.33 ± 0.58 ^b	33.67 ± 1.53 ^c	38.33 ± 1.53 ^a	41.00 ± 1.73 ^c	34.67 ± 0.58 ^b	36.33 ± 2.31 ^c
Clove	11.33 ± 1.15 ^d	17.00 ± 1.00 ^ef	15.67 ± 0.58 ^d	16.67 ± 0.58 ^fg	14.67 ± 1.53 ^c	15.33 ± 2.52 ^def	15.00 ± 0.00 ^c	17.33 ± 1.15 ^def	15.33 ± 1.15 ^d	16.67 ± 1.15 ^e
Curry plant	9.67 ± 1.53 ^de	14.67 ± 0.58 ^gh	10.33 ± 0.58 ^ef	11.00 ± 1.00 ^jkl	-	12.33 ± 1.53 ^ef	9.00 ± 2.00 ^e	15.33 ± 1.15 ^efg	-	-
Fennel	-	-	-	-	-	-	-	-	-	-
Garden angelica	-	10.00 ± 0.00 ^ij	-	9.00 ± 0.00 ^l	-	11.33 ± 1.15 ^ef	-	11.00 ± 0.00 ^g	-	-
Hyssop	-	11.33 ± 1.15 ⁱ	9.67 ± 0.58 ^ef	21.33 ± 1.15 ^e	10.00 ± 0.00 ^de	13.33 ± 1.15 ^ef	-	12.67 ± 0.58 ^fg	8.67 ± 1.15 ^fg	24.00 ± 2.00 ^d
Lavender	9.00 ± 1.00 ^ef	14.00 ± 1.73 ^gh	10.00 ± 0.00 ^ef	15.00 ± 0.00 ^gh	9.00 ± 0.00 ^de	13.33 ± 0.58 ^ef	10.00 ± 0.00 ^de	13.33 ± 1.15 ^fg	8.00 ± 0.00 ^g	13.33 ± 1.15 ^fg
Lemon	7.67 ± 1.15 ^fg	15.67 ± 0.58 ^fg	11.00 ± 2.65 ^e	16.33 ± 1.15 ^fg	9.33 ± 1.53 ^de	12.67 ± 3.06 ^ef	10.00 ± 0.00 ^de	14.33 ± 2.08 ^fg	8.33 ± 1.53 ^fg	15.67 ± 1.15 ^ef
Myrtle	8.00 ± 0.00 ^fg	11.67 ± 0.58 ⁱ	9.00 ± 1.00 ^fg	13.33 ± 0.58 ^hij	11.67 ± 0.58 ^cd	15.67 ± 1.15 ^de	11.33 ± 0.58 ^de	13.67 ± 0.58 ^fg	11.67 ± 1.15 ^e	13.67 ± 1.15 ^efg
Oregano	40.00 ± 0.00 ^a	43.67 ± 1.53 ^b	40.33 ± 0.58 ^a	42.67 ± 3.21 ^b	37.33 ± 2.89 ^a	40.67 ± 1.15 ^b	37.67 ± 1.15 ^a	46.00 ± 5.57 ^b	34.00 ± 1.73 ^b	35.33 ± 0.58 ^c
Rosemary	7.00 ± 0.00 ^g	8.00 ± 0.00 ^k	7.67 ± 0.58 ^gh	13.33 ± 1.15 ^hij	-	-	10.67 ± 1.15 ^de	20.00 ± 0.00 ^de	8.00 ± 0.00 ^g	10.33 ± 0.58 ^hi
Sage	-	13.67 ± 1.53 ^h	10.33 ± 1.15 ^ef	14.67 ± 0.58 ^ghi	11.33 ± 1.53 ^d	12.33 ± 1.15 ^ef	10.00 ± 0.00 ^de	14.67 ± 0.58 ^fg	8.33 ± 0.58 ^fg	12.33 ± 0.58 ^gh
Thyme	32.67 ± 1.53 ^c	69.00 ± 1.00 ^a	34.33 ± 0.58 ^b	54.00 ± 2.65 ^a	30.33 ± 4.93 ^b	65.00 ± 5.57 ^a	31.67 ± 4.62 ^b	64.67 ± 8.08 ^a	45.00 ± 3.61 ^a	67.00 ± 2.65 ^a
Winter savory	32.00 ± 0.00 ^c	33.33 ± 1.53 ^d	31.33 ± 0.58 ^c	36.67 ± 2.08 ^c	28.33 ± 0.58 ^b	43.00 ± 2.65 ^b	33.33 ± 0.58 ^b	42.67 ± 2.31 ^bc	30.33 ± 2.31 ^c	39.67 ± 0.58 ^b
Yarrow	10.33 ± 0.58 ^de	16.67 ± 1.15 ^ef	8.00 ± 0.00 ^gh	12.33 ± 0.58 ^ijk	7.00 ± 0.00 ^e	10.67 ± 1.15 ^f	-	11.00 ± 0.00 ^g	8.00 ± 0.00 ^g	15.00 ± 3.61 ^efg

¹ (-) A diameter of the inhibitory zone < 6 mm was considered as no antimicrobial activity. Values are the mean diameter of the inhibitory zone (mm) ± the SD of three replicates. Different letters in the column indicate statistically significant differences (p < 0.05).