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

G1

1.396 ± 0.128^j

0.3 ± 0.039^gh

0.126 ± 0.016 ^cd

0.073 ± 0.01 ^k

0.178 ± 0.017 ^k

G6

4.268 ± 0.65^ghij

0.73 ± 0.096^bc

0.124 ± 0.016 ^cd

0.309 ± 0.043^ijk

0.854 ± 0.089^f

G8

2.402 ± 0.242^ij

0.388 ± 0.052^efgh

0.145 ± 0.03^c

0.285 ± 0.055^ijk

0.513 ± 0.063^fghijk

GSW

12.603 ± 1.26^d

0.467 ± 0.061^e

0.047 ± 0.006^fgh

1.068 ± 0.085^de

1.494 ± 0.194^de

R2

21.127 ± 1.93^c

0.81 ± 0.088^ab

0.235 ± 0.049^ab

1.136 ± 0.179^d

2.093 ± 0.216^b

7403

3.122 ± 0.301^hij

0.3 ± 0.025^gh

0.037 ± 0.003^gh

0.181 ± 0.019^ijk

0.29 ± 0.028^ijk

DS

7.494 ± 0.614^e

0.338 ± 0.036^fgh

0.223 ± 0.031^b

0.409 ± 0.033^hijk

0.447 ± 0.041^ghijk

B-2-8

13.766 ± 1.593^d

0.352 ± 0.043^efgh

0.045 ± 0.006^gh

0.252 ± 0.046^ijk

0.733 ± 0.061 ^fg

Z1

3.49 ± 0.416^ghij

0.341 ± 0.035^fgh

0.071 ± 0.009^efg

0.134 ± 0.025^jk

0.341 ± 0.045^hijk

Z2

3.42 ± 0.333^ghij

0.376 ± 0.071^efgh

0.118 ± 0.013 ^cd

0.289 ± 0.044^ijk

0.681 ± 0.071^fgh

Z4

4.9 ± 0.433^fghi

0.395 ± 0.052^efg

0.277 ± 0.053^a

0.305 ± 0.043^ijk

0.631 ± 0.056^fghi

CGS

44.627 ± 4.149^a

0.295 ± 0.056^gh

0.042 ± 0.005^gh

2.248 ± 0.417^c

3.187 ± 0.476^a

T6

8.47 ± 1.062^e

0.432 ± 0.073^ef

0.091 ± 0.011^def

1.263 ± 0.194^d

1.881 ± 0.35^bc

T7

5.627 ± 0.737^efgh

0.756 ± 0.07^bc

0.032 ± 0.004^gh

0.411 ± 0.045^hijk

0.582 ± 0.049^fghij

QM

2.695 ± 0.326^hij

0.313 ± 0.029^gh

0.041 ± 0.003^gh

0.416 ± 0.032^hij

0.412 ± 0.021^ghijk

BR60

2.217 ± 0.242^ij

0.302 ± 0.032^gh

0.059 ± 0.005^fgh

0.378 ± 0.042^hijk

0.382 ± 0.038^ghijk

S54

12.413 ± 1.943^d

0.601 ± 0.065^d

0.09 ± 0.009^def

0.931 ± 0.09^def

1.231 ± 0.159^e

J4-1

12.969 ± 1.612^d

0.923 ± 0.098^a

0.25 ± 0.044^ab

0.771 ± 0.074^efg

1.555 ± 0.279^cde

J5

4.577 ± 0.509^fghi

0.276 ± 0.041 ^h

0.053 ± 0.009^fgh

0.666 ± 0.097^fgh

0.619 ± 0.084^fghi

Y2

18.341 ± 2.335^c

0.666 ± 0.092 ^cd

0.109 ± 0.014^cde

1.165 ± 0.133^d

1.739 ± 0.165^bcd

YXM2

6.429 ± 0.437^efg

0.282 ± 0.033^gh

0.133 ± 0.024 ^cd

0.507 ± 0.047^ghi

0.237 ± 0.029 ^k

YD

19.797 ± 2.348^c

0.153 ± 0.026ⁱ

0.017 ± 0.002 ^h

3.57 ± 0.468^b

1.332 ± 0.135^e

Y1

29.099 ± 2.512^b

0.367 ± 0.037^efgh

0.035 ± 0.005^gh

4.397 ± 0.352^a

3.077 ± 0.363^a

G1

0.029 ± 0.005^gh

ND

0.018 ± 0.002^c

0.002 ± 0^c

ND

G6

ND

ND

0.024 ± 0.004^b

ND

0.03 ± 0.004^a

G8

0.032 ± 0.005^defgh

ND

0.017 ± 0.002 ^cd

ND

0.021 ± 0.004^a

GSW

ND

0.018 ± 0.002^a

0.007 ± 0.001^ghi

ND

ND

R2

0.033 ± 0.003^defg

0.016 ± 0.002^abc

0.002 ± 0^kl

0.004 ± 0^c

ND

7403

0.036 ± 0.003^bcdefg

0.015 ± 0.002^abc

0.037 ± 0.004^a

ND

ND

DS

0.034 ± 0.004^cdefg

0.013 ± 0.003^bc

0.011 ± 0.002^ef

ND

ND

B-2–8

0.03 ± 0.004^gh

0.014 ± 0.003^bc

0.004 ± 0.001^hijkl

ND

ND

Z1

0.032 ± 0.005^defgh

0.017 ± 0.002^ab

0.018 ± 0.002 ^cd

ND

ND

Z2

0.044 ± 0.007^bcd

0.015 ± 0.002^abc

0.005 ± 0.001^hijk

0.006 ± 0.001^c

ND

Z4

0.048 ± 0.009^ab

0.013 ± 0.002^bc

0.01 ± 0.001 ^fg

ND

ND

CGS

ND

0.013 ± 0.003^bc

ND

ND

ND

T6

0.03 ± 0.007^fgh

0.013 ± 0.003^bc

0.003 ± 0.001^jkl

ND

ND

T7

0.031 ± 0.007^efgh

ND

0.007 ± 0.001^gh

ND

ND

QM

0.042 ± 0.004^bcdef

0.012 ± 0.001^c

0.005 ± 0.001^hij

0.014 ± 0.002^c

ND

BR60

0.056 ± 0.007^a

ND

0.003 ± 0^ijkl

0.015 ± 0.002^c

ND

S54

0.043 ± 0.009^bcde

ND

0.005 ± 0.001^hijk

ND

ND

J4-1

0.025 ± 0.006^gh

0.016 ± 0.002^abc

0.005 ± 0.001^hijk

0.005 ± 0.001^c

ND

J5

0.045 ± 0.005^abc

0.012 ± 0.002^c

0.006 ± 0.001^hij

0.07 ± 0.008^b

ND

Y2

0.02 ± 0.005 ^h

0.015 ± 0.002^abc

0.001 ± 0 ^l

ND

ND

YXM2

0.029 ± 0.006^gh

ND

0.014 ± 0.002^de

ND

ND

YD

ND

ND

ND

ND

ND

Y1

ND

0.014 ± 0.003^abc

ND

0.13 ± 0.023^a

ND