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Table 3 Free phenolic profiles of litchi pulp

From: Comparison of the free and bound phenolic profiles and cellular antioxidant activities of litchi pulp extracts from different solvents

Phenolic Free phenolic compounds
80% methanol 80% ethanol 80% acetone 80% ethyl acetate Water
3,4-dihydroxybenzoic acid ND1 ND 115.26 ± 11.172 ND ND
(+)-catechin 140.34 ± 12.01ab3 131.66 ± 2.74bc 163.34 ± 21.13a 83.34 ± 5.27d 107.78 ± 25.53 cd
Vanillic acid 130.77 ± 19.50b ND 126.48 ± 7.27b 72.99 ± 4.90c 254.25 ± 32.88a
Caffeic acid 393.37 ± 21.08b 188.95 ± 16.28d 442.93 ± 17.78a 244.68 ± 11.43c 38.66 ± 4.57e
Syringic acid ND 30.55 ± 1.48 39.50 ± 6.17 ND ND
(-)-epicatechin 1489.88 ± 159.63b 1118.81 ± 20.54c 2308.19 ± 106.54a 929.13 ± 18.89d 266.28 ± 13.99e
4-methylcatechol 5926.88 ± 475.53a 4938.91 ± 483.11b 6337.70 ± 209.91a 3493.87 ± 236.51c 3304.28 ± 148.94c
Ferulic acid 442.64 ± 19.31a 276.60 ± 21.05b 488.34 ± 68.82a 286.17 ± 86.28b 215.51 ± 13.89b
Rutin 3441.47 ± 212.65ab 3125.16 ± 94.31b 3580.33 ± 274.25a 2016.82 ± 108.41c 1614.32 ± 120.93d
  1. 1ND – not detected.
  2. 2Values expressed as μg/100 g FW.
  3. 3Values not sharing a common letter within the same row are significantly different (p < 0.05).