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Table 4 Bound 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 Bound phenolic compoundsb
Alkaline hydrolysis Acid hydrolysis
(+)-catechin 14.02 ± 3.991 ND2
Vanillic acid ND 37.10 ± 4.88
Caffeic acid ND 95.52 ± 2.44
Syringic acid ND 4.98 ± 1.36
(-)-epicatechin 207.95 ± 23.70**3 50.57 ± 6.32
4-methylcatechol ND 2404.97 ± 216.36
Rutin 83.11 ± 10.99** 13.08 ±0.96
Quercetin 28.77 ± 10.38 56.12 ± 7.73*
  1. 1Values expressed as μg/100 g FW.
  2. 2ND – not detected.
  3. 3Double asterisk (**) within the same row indicate significant difference (p < 0.01), asterisk (*) within the same row indicate significant difference (p < 0.05).