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. 2015 Oct 25;53(1):281–292. doi: 10.1007/s13197-015-2068-9

Table 4.

Survival of E. coli O157:H7 in inoculated strawberry juice treated with natural antimicrobials

Treatments Survival fraction (log CFU/mL)
Storage time (days)
0 3 7 14 21
Untreated 5.38 ± 0.30Aa 5.00 ± 0.10Aa 4.48 ± 0.10Ba 3.65 ± 0.30Ca
V1 4.89 ± 0.19Aa 2.40 ± 0.05Bb <2Cb <2Cc <2Ca
V2 3.10 ± 0.05Ab <2Bc <2Bb <2Bc <2Ba
G1 3.20 ± 0.10Ab <2Bc <2Bb <2Bc <2Ba
G2 3.00 ± 0.10Ab <2Bc <2Bb <2Bc <2Ba
PE1 5.28 ± 0.10Aa 5.00 ± 0.13Aa 4.49 ± 0.03Ba 3.50 ± 0.20Ca
PE2 5.08 ± 0.10Aa 5.00 ± 0.04Aa 4.66 ± 0.24Ba 2.80 ± 0.20Cb

Data is shown as means ± standard errors. Values with different lower case letters in the same column indicate significant differences (p < 0.05) between treatments. Values with different capital letters in the same row indicate significant differences (p < 0.05) with respect to storage time. V1: 2.5 mg/mL of vanillin; V2: 5 mg/mL of vanillin; G1: 0.6 μL/mL of geraniol; G2: 1.2 μL/mL of geraniol; PE1: 180 μg/mL of pomegranate extract; PE2: 360 μg/mL of pomegranate extract