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Table 5 Total, free, and bound phenolic contents of the 23 mulberry leaf samples

From: Comparison of free and bound phenolic compositions and antioxidant activities of leaves from different mulberry varieties

Cultivar Total phenolic content
(μg/g DW)
Free phenolic content
(μg/g DW)
Bound phenolic content
(μg/g DW)
G1 2607.7 ± 161.35 k 2264.56 ± 161.35 k (86.84%) 343.14 ± 46.25ghi (13.16%)
G6 7472.27 ± 572.98hij 7147.13 ± 572.98ijk (95.65%) 325.14 ± 43.63ghi (4.35%)
G8 4224.72 ± 418.4ijk 4023.23 ± 418.4ijk (95.23%) 201.49 ± 33.66j (4.77%)
GSW 17,302.22 ± 1667.62ef 16,191.26 ± 1667.62ef (93.58%) 1110.96 ± 105.93a (6.42%)
DS 27,990.69 ± 2711.73c 27,156.6 ± 2711.73c (97.02%) 834.08 ± 80.98bc (2.98%)
7403 4621.51 ± 367.57ijk 4347.98 ± 367.57ijk (94.08%) 273.53 ± 40.51hij (5.92%)
R2 9660.23 ± 831.38gh 9322.52 ± 831.38gh (96.5%) 337.71 ± 40.26ghi (3.5%)
B-2–8 16,272.83 ± 1808.31ef 15,757.86 ± 1808.31ef (96.84%) 514.97 ± 66.57f (3.16%)
Z1 4965.79 ± 548.09ijk 4526.59 ± 548.09ijk (91.16%) 439.19 ± 56.41 fg (8.84%)
Z2 5984.99 ± 571.56hijk 5110.54 ± 571.56ijk (85.39%) 874.44 ± 95.62b (14.61%)
Z4 7498.51 ± 682.07hij 6746.59 ± 682.07ijk (89.97%) 751.92 ± 87.75 cd (10.03%)
CGS 51,811.86 ± 5233.05a 51,279.3 ± 5233.05a (98.97%) 532.56 ± 46.46ef (1.03%)
T6 13,490.12 ± 1792.09 fg 12,954.33 ± 1792.09 fg (96.03%) 535.78 ± 65.37ef (3.97%)
T7 8068.84 ± 973.34hi 7828.8 ± 973.34hi (97.03%) 240.04 ± 27.12ij (2.97%)
BR60 4545.99 ± 456.22ijk 4300.87 ± 456.22ijk (94.61%) 245.12 ± 27.41ij (5.39%)
S54 4000 ± 397.67jk 3693.5 ± 397.67jk (92.34%) 306.5 ± 34.73hij (7.66%)
QM 16,748.36 ± 2401.89ef 16,240.99 ± 2401.89ef (96.97%) 507.38 ± 53.43f (3.03%)
J4-1 18,463.88 ± 2285.15e 17,712.43 ± 2285.15e (95.93%) 751.45 ± 80.13 cd (4.07%)
J5 7082.78 ± 636.06hij 6796.07 ± 636.06ijk (95.95%) 286.71 ± 27.65hij (4.05%)
Y2 23,833.07 ± 2884.06d 23,127.05 ± 2884.06d (97.04%) 706.03 ± 74.29d (2.96%)
YXM2 8235.79 ± 611.32hi 7849.57 ± 611.32hi (95.31%) 386.21 ± 36.6gh (4.69%)
YD 25,720.37 ± 3059.38 cd 25,347.54 ± 3059.38 cd (98.55%) 372.83 ± 33.87gh (1.45%)
Y1 39,120.86 ± 3514.82b 38,478.25 ± 3514.82b (98.36%) 642.61 ± 60.36de (1.64%)
  1. Different letters indicate significant differences in total, free, and bound phenolic contents in 23 mulberry leaf samples (P < 0.05)
  2. Values with no letters in common in each column are significantly different (P < 0.05), n = 3
  3. Values in parentheses indicate the percentage contributions of the free and bound fractions to the total phenolic content for each sample