Table 3 List of samples and corresponding signs

Hydrolysable

Sumac

H1_Ref

H2_Xe

\({\text{H1}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_ 1 {\text{w}}}}\)

\({\text{H1}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_ 5 {\text{w}}}}\)

H1_{Hcl_1w}

H1_{HCl_5w}

H2_NaOH

Hydrolysable

–

H2_Ref

H2_Xe

\({\text{H2}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_1{\text{w}}}}\)

\({\text{H2}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_ 5 {\text{w}}}}\)

H2_{Hcl_1w}

H2_{HCl_5w}

H2_NaOH

Hydrolysable

Myrobalan

H3_Ref

H3_Xe

\({\text{H3}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_1{\text{w}}}}\)

\({\text{H3}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_ 5 {\text{w}}}}\)

H3_{Hcl_1w}

H3_{HCl_5w}

H3_NaOH

Hydrolysable

Chestnut

H4_Ref

H4_Xe

\({\text{H4}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_1{\text{w}}}}\)

\({\text{H4}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_ 5 {\text{w}}}}\)

H4_{Hcl_1w}

H4_{HCl_5w}

H4_NaOH

Hydrolysable

–

H5_Ref

H5_Xe

\({\text{H5}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_1{\text{w}}}}\)

\({\text{H5}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_ 5 {\text{w}}}}\)

H5_{Hcl_1w}

H5_{HCl_5w}

H5_NaOH

Condensed

Quebracho + mimosa

C6_Ref

C6_Xe

\({\text{C}}6_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_1{\text{w}}}}\)

\({\text{C6}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_5{\text{w}}}}\)

C6_{Hcl_1w}

C6_{HCl_5w}

C6_NaOH

Condensed

Quebracho

C7_Ref

C7_Xe

\({\text{C7}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_1{\text{w}}}}\)

\({\text{C7}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_5{\text{w}}}}\)

C7_{Hcl_1w}

C7_{HCl_5w}

C7_NaOH

Condensed

Gambier

C8_Ref

C8_Xe

\({\text{C8}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_1{\text{w}}}}\)

\({\text{C8}}_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_5{\text{w}}}}\)

C8_{Hcl_1w}

C8_{HCl_5w}

C8_NaOH

Condensed

Mimosa

C9_Ref

C9_Xe

\({\text{C}}9_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_1{\text{w}}}}\)

\({\text{C}}9_{{{\text{H}}_{ 2} {\text{O}}_{ 2} \_5{\text{w}}}}\)

C9_{Hcl_1w}

C9_{HCl_5w}

C9_NaOH