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Table 1 Total carbohydrate and AsA content ofCurcubitaceaefruit vascular exudates

From:Synthesis ofL-ascorbic acid in the phloem

Species Carbohydrate (mg gFW-1) AsA (mg gFW-1) AsA (mM)
Cucumis sativus 10.95 ± 0.13 1.02±0.05 5.8±0.33
Cucurbita maxima 22.48 ± 0.09 1.44 ± 0.04 8.2 ± 0.20
C. moschata 21.98 ± 0.80 0.49 ± 0.03 2.8 ± 0.15
C. pepo(courgette) 17.96 ± 0.34 0. 87 ± 0.05 4.9 ± 0.26
C. pepo(squash) 20.46 ± 0.53 0.81 ± 0.02 4.6 ± 0.13
C. maxima x C. moschata 23.28 ± 0.66 0.63 ± 0.02 3.6 ± 0.09
  1. Mean ± S.E. n = 3 Samples were extracted in 5% H3PO3(w/v) containing 5 mM TCEP and carbohydrate concentration estimated according to Dubois et al. (1956). AsA concentration was estimated by HPLC.