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Table 2 Polyphenols release rates from APP and APCM in simulated gastrointestinal digestion model

From: Anti-inflammatory effect of unripe apple polyphenols-chitooligosaccharides microcapsule against LPS-induced RAW 264.7 cells

Polyphenols Polyphenols content (release rate, %)
20 min 40 min 60 min
APP APCM APP APCM APP APCM
TPC (mg GAE/g) 285.05 ± 2.21 (57.23)* 196.01 ± 1.71 (55.17) 398.01 ± 1.71 (79.91)* 260.05 ± 1.95 (73.31) 498.07 ± 2.13 (99.87) 349.76 ± 1.27 (98.45)
Chlorogenic acid (mg/g) 4.24 ± 0.21 (58.21)* 2.89 ± 0.14 (56.43) 5.84 ± 0.29 (80.05)* 3.80 ± 0.42 (74.12) 7.28 ± 0.27 (99.81) 5.04 ± 0.12 (98.42)
Caffeic acid (mg/g) 21.02 ± 0.83 (58.13)* 14.27 ± 0.53 (56.34) 28.77 ± 0.43 (79.57)* 18.81 ± 0.55 (74.26) 36.01 ± 0.53 (99.57) 24.88 ± 0.43 (98.24)
p-Coumaric acid (mg/g) 5.81 ± 0.84 (56.87) 4.08 ± 0.62 (55.46) 8.05 ± 0.34 (78.75)* 5.43 ± 0.48 (73.74) 10.15 ± 0.45 (99.28)* 7.20 ± 0.48 (97.89)
Quercetin-3-glucoside (mg/g) 7.66 ± 0.63 (57.57)* 5.21 ± 0.43 (54.39) 10.56 ± 0.36 (79.34)* 6.97 ± 0.42 (72.79) 13.24 ± 0.47 (99.49) 9.41 ± 0.37 (98.21)
Phloridzin (mg/g) 5.02 ± 0.42 (57.42)* 3.47 ± 0.32 (54.44) 6.84 ± 0.31 (78.34)* 4.70 ± 0.28 (73.74) 8.71 ± 0.34 (99.81)* 6.24 ± 0.33 (97.94)
Phloretin (mg/g) 1.80 ± 0.21 (56.88) 1.29 ± 0.21 (55.83) 2.52 ± 0.26 (79.76)* 1.68 ± 0.31 (72.71) 3.14 ± 0.36 (99.29) 2.28 ± 0.37 (98.78)
  1. * APCM group compared with APP group (p < 0.05)