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Table 5

Changes in phenolic compounds of unfiltered Saurani (Hatay) during 24 months of storage time.

Phenolic compounds 0 1 2 3 4 5 6 7 8 9 10 11 12 18 24
3,4-dihydroxy benzoic acid 0.63 ± 0.0 0.57 ± 0.0 0.44 ± 0.0 0.49 ± 0.1 0.74 ± 0.0 0.83 ± 0.0 12.96 ± 1.9 20.24 ± 1.3 nd nd nd nd 25.13 ± 0.3 27.61 ± 0.2 32.65 ± 0.1
4-hydroxy benzoic acid 6.41 ± 0.1 6.63 ± 0.1 6.02 ± 0.2 5.64 ± 0.3 5.52 ± 0.1 5.44 ± 0.1 5.25 ± 0.1 12.22 ± 0.3 12.82 ± 0.1 12.92 ± 0.1 12.98 ± 0.1 13.15 ± 0.1 14.41 ± 0.2 16.20 ± 0.6 10.12 ± 0.2
4-hyroxy phenyl acetic acid nd nd 0.65 ± 0.1 0.33 ± 0.0 nd nd 0.71 ± 0.1 nd nd nd nd nd nd nd nd
syringic acid 0.17 ± 0.0 nd nd nd 0.80 ± 0.0 nd nd nd nd 1.30 ± 0.2 nd nd nd 0.65 ± 0.0 0.18 ± 0.0
trans-ferulic acid nd nd nd nd nd 0.17 ± 0.1 nd nd nd nd nd nd nd nd nd
m-coumaric acid 5.92 ± 0.2 4.85 ± 0.1 2.15 ± 0.1 3.11 ± 0.2 4.26 ± 0.3 6.11 ± 0.1 6.21 ± 0.1 6.31 ± 0.1 6.50 ± 0.0 5.87 ± 0.2 5.63 ± 0.1 5.47 ± 0.1 5.25 ± 0.2 3.08 ± 0.0 2.20 ± 0.1
o-coumaric acid 0.09 ± 0.0 0.10 ± 0.0 0.13 ± 0.0 0.16 ± 0.0 0.23 ± 0.0 0.25 ± 0.0 0.3 ± 0.1 0.58 ± 0.0 0.30 ± 0.0 nd nd nd nd nd nd
oleuropein nd nd nd 2.03 ± 0.2 nd 1.65 ± 0.0 1.32 ± 0.0 5.50 ± 0.2 4.51 ± 0.1 4.00 ± 0.2 2.66 ± 0.1 2.60 ± 0.0 2.49 ± 0.1 nd nd
tyrosol nd nd nd nd 8.24 ± 1.6 nd nd nd nd 22.89 ± 1.0 22.48 ± 0.3 nd nd nd nd
3-hydroxy tyrosol nd nd nd nd nd nd nd nd nd nd nd nd nd 49.17 ± 0.0 52.88 ± 0.5
luteolin 347.57 ± 2.6 331.44 ± 1.9 319.65 ± 1.6 303.71 ± 1.6 291.5 ± 1.3 278.11 ± 1.1 265.83 ± 2.9 242.32 ± 3.0 234.05 ± 1.1 223.10 ± 5.7 209.32 ± 4.8 191.79 ± 5.5 135.84 ± 2.6 126.42 ± 1.4 122.22 ± 0.2
vanillin 0.15 ± 0.0 nd nd nd nd nd nd 0.37 ± 0.0 nd nd nd nd nd nd nd
apigenin 3.43 ± 0.0 3.41 ± 0.1 3.32 ± 0.0 3.30 ± 0.0 3.16 ± 0.1 3.06 ± 0.0 3.05 ± 0.0 3.74 ± 0.0 3.61 ± 0.0 3.53 ± 0.1 3.16 ± 0.2 2.96 ± 0.1 2.93 ± 0.1 2.82 ± 0.0 1.82 ± 0.0

nd: not detected, N = 28.

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