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Table 2 The effects of UV-C treatment on tocopherols 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) Tocopherols (μg 100 g-1)
α tocopherol β tocopherol γ tocopherol
Control   0 77,68* g 13,32 c 13,18 c
24 133,12 d 16,38 a 18,67 a
48 106,56 f 15,24 b 14,58 b
5 10 0 67,30hi 5,14 ef 5,19 e
24 51,45 k 1,12 i 1,08 h
48 43,42 l 2,12 gh 4,25 f
20 0 58,22 j 2,42 hi 2,96 f
24 43,32 l 3,45 gh 3,45f
48 43,00 l 2,17 hi 5,42 e
30 0 62,47 ij 5,27 ef 9,85 d
24 65,17 hi 2,14 hi 5,31 e
48 56,84 j 1,16 i 1,00 h
10 10 0 40, 48 l 2,18 hi 3,27 f
24 82,38 g 3,36 gh 3,86 f
48 70,42 h 3,24 gh 2,36 g
20 0 64,75 hi 3,97 fg 5,42 e
24 190,82 b 3,42 gh 4,09 f
48 126,84 e 3,32 gh 1,12 h
30 0 51, 38 k 3,16 gh 4,39 f
24 261,47 a 10,48 d 3,42 f
48 155,72 c 6,37 e 2,89 g
  1. *Differences between means indicated by the same letters are not statistically significant ( p ≤ 0.05).