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Table 1 The effects of UV-C treatment on phenolic compounds in Öküzgözü calli

From: Induction of secondary metabolite production by UV-C radiation in Vitis vinifera L. Öküzgözü callus cultures

Irradiation duration (min) Irradiation distance (cm) Harvest time (h) Total phenolics (mg 100 g-1) Total flavanols (mg 100 g-1) Total flavonols (mg 100 g-1) Catechin (μg g-1) Ferulic acid (μg g-1) Resveratrol (μg g-1)
Control   0 57,50* l 4,69 i 0,29 i 1,82 k 4,92 kl 1,11 kl
24 71,91 ij 4,56 i 0,29 i 1,38 k 4,38 l 1,36 k
48 43,78 m 3,66 j 0,30 i 1,22 k 1,41 m 1,08 kl
5 10 0 76,64 h 5,05 h 2,67 e 6,92 bcd 11,07 fg 5,90 d
24 96,25 f 5,12 h 2,46 e 7,53 b 14,42 de 2,98 gh
48 72,99 i 5,31 gh 1,03 h 6,19 ef 9,32 ghi 3,04 fg
20 0 73,46 hi 5,72 def 7,12 a 4,34 hi 12,41 ef 2,45ij
24 58,45 l 5,90 d 3,32 d 3,89 i 5,97 jkl 2,06 j
48 95,82 f 5,79 de 3,48 d 3,99 hi 8,22 hij 2,42 ij
30 0 135,60 b 6,55 b 3,34 d 4,14 hi 22,88 c 2,52 hi
24 155,14 a 6,86 a 5,51 b 6,70 cde 24,28 c 8,43 a
48 128,44 cd 7,03 a 3,41 d 7,30 bc 31,37 a 3,46 f
10 10 0 66,50 k 5,12 h 2,48 e 6,16 ef 10,27 fgh 2,00 j
24 69,13 jk 5,26 gh 1,03 h 4,61 h 10,06 fgh 2,53 hi
48 87,39 g 5,06 h 1,62 g 6,39 de 7,07 ijk 2,47 ij
20 0 73,53 hi 5,19 h 3,39 d 2,60 j 23,12 c 2,95 gh
24 85,16 g 5,29 gh 3,12d 2,64 j 16,75 d 5,92 d
48 113,02 e 5,21 h 5,55 b 4,22 hi 30,81 ab 7,48 b
30 0 126,00 d 6,17 c 2,12 f 5,58 fg 15,61 d 6,93 c
24 113,02 e 5,60 ef 3,17 d 5,26 g 28,44 b 4,72 e
48 130,40 c 5,50 fg 2,62 e 8,89 a 29,10 ab 2,44 ij
  1. *Differences between means indicated by the same letters are not statistically significant ( p ≤ 0.05).