Table 1

Turnover rate (nmol/gFW/hour) and % turnover of total ascorbic acid (totAsA) pool in tomato fruits of ‘Santorini’ and ‘Ailsa Craig’ at different developmental stages
Cultivar Ripening stage turnover rate of totAsA pool (nmol/gFW/hour) % turnover of totAsA pool
Santorini Immature green 15.5 ± 3.21 a 39.23 ± 3.76 b
Mature green 9.71 ± 1.23 b 39.50 ± 13.9 b
red 16.2 ± 3.83 a 38.96 ± 9.86 b
Ailsa Craig Immature green 6.86 ± 1.11 b 63.28 ± 4.02 a
Mature green 8.56 ± 1.67 b 68.45 ± 6.11 a
red 2.88 ± 0.93 c 30.07 ± 11.3 b

The % turnover of totAsA pool was calculated as the ratio of the mean % of total 14C-AsA recovered in the tissues and the mean % of total 14C taken up by the tissue following incubations with 1 μCi L-[6-14C]AsA for 24 h. Results are represented as mean values of three replications ± SD. Different letters indicate a significant difference (P < 0.05) between values at different ripening stages based on Duncan’s multiple-range-test in SAS.

Mellidou et al.

Mellidou et al. BMC Plant Biology 2012 12:239   doi:10.1186/1471-2229-12-239

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