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Table 6 Free phenolic compounds detected in the 23 mulberry leaf samples by HPLC

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

Compound
(mg/g DW)
ChA Epi CaA Rut Iso Ast
G1 1.396 ± 0.128j 0.3 ± 0.039gh 0.126 ± 0.016 cd 0.073 ± 0.01 k 0.178 ± 0.017 k 0.123 ± 0.008 lm
G6 4.268 ± 0.65ghij 0.73 ± 0.096bc 0.124 ± 0.016 cd 0.309 ± 0.043ijk 0.854 ± 0.089f 0.756 ± 0.071ef
G8 2.402 ± 0.242ij 0.388 ± 0.052efgh 0.145 ± 0.03c 0.285 ± 0.055ijk 0.513 ± 0.063fghijk 0.183 ± 0.042ijklm
GSW 12.603 ± 1.26d 0.467 ± 0.061e 0.047 ± 0.006fgh 1.068 ± 0.085de 1.494 ± 0.194de 0.472 ± 0.058 g
R2 21.127 ± 1.93c 0.81 ± 0.088ab 0.235 ± 0.049ab 1.136 ± 0.179d 2.093 ± 0.216b 1.553 ± 0.228a
7403 3.122 ± 0.301hij 0.3 ± 0.025gh 0.037 ± 0.003gh 0.181 ± 0.019ijk 0.29 ± 0.028ijk 0.274 ± 0.022hijkl
DS 7.494 ± 0.614e 0.338 ± 0.036fgh 0.223 ± 0.031b 0.409 ± 0.033hijk 0.447 ± 0.041ghijk 0.279 ± 0.052hijkl
B-2-8 13.766 ± 1.593d 0.352 ± 0.043efgh 0.045 ± 0.006gh 0.252 ± 0.046ijk 0.733 ± 0.061 fg 0.46 ± 0.039 g
Z1 3.49 ± 0.416ghij 0.341 ± 0.035fgh 0.071 ± 0.009efg 0.134 ± 0.025jk 0.341 ± 0.045hijk 0.067 ± 0.009 m
Z2 3.42 ± 0.333ghij 0.376 ± 0.071efgh 0.118 ± 0.013 cd 0.289 ± 0.044ijk 0.681 ± 0.071fgh 0.14 ± 0.026klm
Z4 4.9 ± 0.433fghi 0.395 ± 0.052efg 0.277 ± 0.053a 0.305 ± 0.043ijk 0.631 ± 0.056fghi 0.16 ± 0.032jklm
CGS 44.627 ± 4.149a 0.295 ± 0.056gh 0.042 ± 0.005gh 2.248 ± 0.417c 3.187 ± 0.476a 0.754 ± 0.1ef
T6 8.47 ± 1.062e 0.432 ± 0.073ef 0.091 ± 0.011def 1.263 ± 0.194d 1.881 ± 0.35bc 0.672 ± 0.073f
T7 5.627 ± 0.737efgh 0.756 ± 0.07bc 0.032 ± 0.004gh 0.411 ± 0.045hijk 0.582 ± 0.049fghij 0.354 ± 0.056ghi
QM 2.695 ± 0.326hij 0.313 ± 0.029gh 0.041 ± 0.003gh 0.416 ± 0.032hij 0.412 ± 0.021ghijk 0.315 ± 0.033ghijk
BR60 2.217 ± 0.242ij 0.302 ± 0.032gh 0.059 ± 0.005fgh 0.378 ± 0.042hijk 0.382 ± 0.038ghijk 0.257 ± 0.025hijkl
S54 12.413 ± 1.943d 0.601 ± 0.065d 0.09 ± 0.009def 0.931 ± 0.09def 1.231 ± 0.159e 0.861 ± 0.114de
J4-1 12.969 ± 1.612d 0.923 ± 0.098a 0.25 ± 0.044ab 0.771 ± 0.074efg 1.555 ± 0.279cde 1.044 ± 0.143bc
J5 4.577 ± 0.509fghi 0.276 ± 0.041 h 0.053 ± 0.009fgh 0.666 ± 0.097fgh 0.619 ± 0.084fghi 0.367 ± 0.056gh
Y2 18.341 ± 2.335c 0.666 ± 0.092 cd 0.109 ± 0.014cde 1.165 ± 0.133d 1.739 ± 0.165bcd 0.934 ± 0.121 cd
YXM2 6.429 ± 0.437efg 0.282 ± 0.033gh 0.133 ± 0.024 cd 0.507 ± 0.047ghi 0.237 ± 0.029 k 0.136 ± 0.022 lm
YD 19.797 ± 2.348c 0.153 ± 0.026i 0.017 ± 0.002 h 3.57 ± 0.468b 1.332 ± 0.135e 0.336 ± 0.062ghij
Y1 29.099 ± 2.512b 0.367 ± 0.037efgh 0.035 ± 0.005gh 4.397 ± 0.352a 3.077 ± 0.363a 1.128 ± 0.184b
Compound
(mg/g DW)
PrA Que GaA Sco BeA
G1 0.029 ± 0.005gh ND 0.018 ± 0.002c 0.002 ± 0c ND
G6 ND ND 0.024 ± 0.004b ND 0.03 ± 0.004a
G8 0.032 ± 0.005defgh ND 0.017 ± 0.002 cd ND 0.021 ± 0.004a
GSW ND 0.018 ± 0.002a 0.007 ± 0.001ghi ND ND
R2 0.033 ± 0.003defg 0.016 ± 0.002abc 0.002 ± 0kl 0.004 ± 0c ND
7403 0.036 ± 0.003bcdefg 0.015 ± 0.002abc 0.037 ± 0.004a ND ND
DS 0.034 ± 0.004cdefg 0.013 ± 0.003bc 0.011 ± 0.002ef ND ND
B-2–8 0.03 ± 0.004gh 0.014 ± 0.003bc 0.004 ± 0.001hijkl ND ND
Z1 0.032 ± 0.005defgh 0.017 ± 0.002ab 0.018 ± 0.002 cd ND ND
Z2 0.044 ± 0.007bcd 0.015 ± 0.002abc 0.005 ± 0.001hijk 0.006 ± 0.001c ND
Z4 0.048 ± 0.009ab 0.013 ± 0.002bc 0.01 ± 0.001 fg ND ND
CGS ND 0.013 ± 0.003bc ND ND ND
T6 0.03 ± 0.007fgh 0.013 ± 0.003bc 0.003 ± 0.001jkl ND ND
T7 0.031 ± 0.007efgh ND 0.007 ± 0.001gh ND ND
QM 0.042 ± 0.004bcdef 0.012 ± 0.001c 0.005 ± 0.001hij 0.014 ± 0.002c ND
BR60 0.056 ± 0.007a ND 0.003 ± 0ijkl 0.015 ± 0.002c ND
S54 0.043 ± 0.009bcde ND 0.005 ± 0.001hijk ND ND
J4-1 0.025 ± 0.006gh 0.016 ± 0.002abc 0.005 ± 0.001hijk 0.005 ± 0.001c ND
J5 0.045 ± 0.005abc 0.012 ± 0.002c 0.006 ± 0.001hij 0.07 ± 0.008b ND
Y2 0.02 ± 0.005 h 0.015 ± 0.002abc 0.001 ± 0 l ND ND
YXM2 0.029 ± 0.006gh ND 0.014 ± 0.002de ND ND
YD ND ND ND ND ND
Y1 ND 0.014 ± 0.003abc ND 0.13 ± 0.023a ND
  1. ND not detected
  2. Different letters indicate significant differences in free phenolic compounds detected in the 23 mulberry leaf samples by HPLC (P < 0.05)
  3. Values with no letters in common in each column are significantly different (P < 0.05), n = 3