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Table 2 Fruit organic acid contents of hawthorn species (g/100 g fresh weight basis)

From: Organic acids, sugars, vitamin C content and some pomological characteristics of eleven hawthorn species (Crataegus spp.) from Turkey

Species Oxalic acid Citric acid Tartaric acid Succinic acid Fumaric acid Malic acid
C. pontica 1.453 ± 0.024 f* 3.128 ± 0.007 e 1.205 ± 0.040 c 2.174 ± 0.197 b 0.155 ± 0.001 b 1.045 ± 0.016 k
C. atrosanguinea. 12.419 ± 0.054 a 19.218 ± 0.027b 0.605 ± 0.026 d 1.082 ± 0.148 i 0.235 ± 0.025 a 2.246 ± 0.038 c
C. meyeri 1.513 ± 0.014 ef 2.548 ± 0.092 f 1.668 ± 0.101 b 1.392 ± 0.073 g 0.019 ± 0.000 b 1.518 ± 0.021 g
C. pseudoheterophylla 2.461 ± 0.036 cd 23.688 ± 0.041 a 2.217 ± 0.038 a 2.581 ± 0.163 a 0.016 ± 0.000 b 2.671 ± 0.050 a
C. orientalis var. orientalis 2.687 ± 0.040 c 2.532 ± 0.056 f 1.579 ± 0.063 b 1.285 ± 0.102 h 0.009 ± 0.000 b 1.347 ± 0.043 i
C. monogyna subsp.azarella 3.276 ± 0.147 b 5.665 ± 0.236 d 0.763 ± 0.034 d 1.970 ± 0.225 d 0.011 ± 0.000 b 2.039 ± 0.015 e
C. monogyna subsp. monogyna 2.650 ± 0.167 c 1.953 ± 0.010 g 0.780 ± 0.016 d 1.080 ± 0.057 i 0.027 ± 0.001 b 1.721 ± 0.024 f
C. curvisepala 2.335 ± 0.036 d 3.245 ± 0.72 e 1.474 ± 0.087 b 1.580 ± 0.054 e 0.013 ± 0.001 b 1.167 ± 0.014 j
C. szovitsii 0.537 ± 0.009 g 3.378 ± 0.078 e 1.094 ± 0.085 c 1.556 ± 0.113 ef 0.011 ± 0.000 b 1.472 ± 0.055 h
Crataegus pentagyna 1.741 ± 0.042 e 5.641 ± 0.170 d 1.145 ± 0.102 c 2.133 ± 0.113 c 0.015 ± 0.000 b 2.542 ± 0.042 b
C. aroni var. aroni 1.470 ± 0.021 f 10.696 ± 0.055 c 0.735 ± 0.025 d 1.530 ± 0.056 f 0.025 ± 0.001 b 2.088 ± 0.028 d
  1. *There were significant (P < 0.01) differences among the different letters in the same columns.
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