(Pre viou sly presented) The method of claim 1 [[211, whewein the amination graphene is an amination graphene-ionic l iquid or an amination g rap henCe -ionic liquid oxide which conpuises a n ionic liquid selected f romv a group comprising 1 -et hyl-3-metyliidazoli tm hexaftluorophosphate, I- ethyl-3- m eth yl imidazoli um bis [(triflu oromet hy l)s td fony Jim ide, 1-bty l-3- meth ylimi daz oli um bis [(trifl u oro methyl) sulfo nyljimide, 1 -buty l -3-met hylinidazolium tetra fl uor ob orate, I -butyl-3- meth yli m idazole c h lo r ide, 1 -buty l-3-m ethyli midazolium bro mide- l-h exylp yridimium trifluoromethanesulfonate, 1 -ethyl- 3-methylim ida z oli um bromide, l.- ethyl -3-methylimidazolium- I odide, I-butyi-3-meth yli ni idazol ium hexatluorophosphate. I- butyl-3 -m ethyli-midazolium bis[(tr i lu oromet hyli)su lfo nyl]im ide, l-ethy l -3-methylim id azol innmte-traf lnoroborate, I,2 -di methy l-3- propyli m idazo ium bis(tri flu oro nrethyl sulfo nyl) imi de, I -ethyl-3-methyl imid azo l ium p- tolenesul fonate, 1 -(cya nomethyl pyridiniurn ch lor ide,.1-hex yllpyridiniumn hex afluorophosphate, I-butr yl-2,3-dimetlylim ida zolium hexafluorophosphate, 1-h exy l -3- methylin idazolitm hexafluorophosphate, trihexyl (te tradecyl)phosphonium hexafluorophosphate, 1 -butyl -_ 2 Applicafion No, 14/948, 248 Docket No,: Y-WK I $ -076-SZWMH-US-076 methylimidazolium c hl ori d e, I-butyl -3-dimetylimidazolium diethyleneglvcolmonomkethylether sulfte, 1b-utyl-3-methylimridoldum r ethanesulfonate, 1-butyl-3~rethyhiidazulium octyl sul f ate, 1 -ami no pyridin ium i odide, 1,2-b is (3-metlylimidazoiium-Ny!) edane dihydroxide, 1 -but yl-3- m eth ylim idaz olium hydro x ide, 1 -methy l-3 -butyli m idazol ium hydroxide, and I- (cya nomethyl)pyridini am chloride.

The method of claim 1, wherein t he flavone component is adsorbed from p l ants; the pla n s comprise een ~Pse&-gink goa c eae., rutaceae, ericaceae, labiatae, umbelliferae, legamtninosae, theaceae meliaceae, com posit e, moraceae and c apri fo liac eae.- & The met h od of claim 7, wherein the plants comp r ise ee*pfes ginkgo leaf, Ro sa roxbunghii, Camellia nitidissima h'l i, black tea, green tea, pu'er tea, dark tea, high mo untain tea, toyeain tea, Ca mel lia sasanqua, sky -itu it, lemon, hawthorn, p omegranate, soybean.

6. (Previous ly prese n te d) T h e method of claim 5, wherein the axnina.tion graphene is modified by at least o ne o f ethylenediamine, triethylene tetramine, octadecylamine, dodecylamine, hydrazine hydrate, hydroxylamine, a mm onia, p-chloroaniline, se c- bmtyLin ine, dodecyl-tetr adec yl di methyl amine, n it r oge n amino acid, protein, an d polyamidoamine (PAMA M) dendrimer.

(Pre viou sly presented) The method of claim 1 [[211, whewein the amination graphene is an amination graphene-ionic l iquid or an amination g rap henCe -ionic liquid oxide which conpuises a n ionic liquid selected f romv a group comprising 1 -et hyl-3-metyliidazoli tm hexaftluorophosphate, I- ethyl-3- m eth yl imidazoli um bis [(triflu oromet hy l)s td fony Jim ide, 1-bty l-3- meth ylimi daz oli um bis [(trifl u oro methyl) sulfo nyljimide, 1 -buty l -3-met hylinidazolium tetra fl uor ob orate, I -butyl-3- meth yli m idazole c h lo r ide, 1 -buty l-3-m ethyli midazolium bro mide- l-h exylp yridimium trifluoromethanesulfonate, 1 -ethyl- 3-methylim ida z oli um bromide, l.- ethyl -3-methylimidazolium- I odide, I-butyi-3-meth yli ni idazol ium hexatluorophosphate. I- butyl-3 -m ethyli-midazolium bis[(tr i lu oromet hyli)su lfo nyl]im ide, l-ethy l -3-methylim id azol innmte-traf lnoroborate, I,2 -di methy l-3- propyli m idazo ium bis(tri flu oro nrethyl sulfo nyl) imi de, I -ethyl-3-methyl imid azo l ium p- tolenesul fonate, 1 -(cya nomethyl pyridiniurn ch lor ide,.1-hex yllpyridiniumn hex afluorophosphate, I-butr yl-2,3-dimetlylim ida zolium hexafluorophosphate, 1-h exy l -3- methylin idazolitm hexafluorophosphate, trihexyl (te tradecyl)phosphonium hexafluorophosphate, 1 -butyl -_ 2 Applicafion No, 14/948, 248 Docket No,: Y-WK I $ -076-SZWMH-US-076 methylimidazolium c hl ori d e, I-butyl -3-dimetylimidazolium diethyleneglvcolmonomkethylether sulfte, 1b-utyl-3-methylimridoldum r ethanesulfonate, 1-butyl-3~rethyhiidazulium octyl sul f ate, 1 -ami no pyridin ium i odide, 1,2-b is (3-metlylimidazoiium-Ny!) edane dihydroxide, 1 -but yl-3- m eth ylim idaz olium hydro x ide, 1 -methy l-3 -butyli m idazol ium hydroxide, and I- (cya nomethyl)pyridini am chloride.

The method of claim 1, wherein t he flavone component is adsorbed from p l ants; the pla n s comprise een ~Pse&-gink goa c eae., rutaceae, ericaceae, labiatae, umbelliferae, legamtninosae, theaceae meliaceae, com posit e, moraceae and c apri fo liac eae.- & The met h od of claim 7, wherein the plants comp r ise ee*pfes ginkgo leaf, Ro sa roxbunghii, Camellia nitidissima h'l i, black tea, green tea, pu'er tea, dark tea, high mo untain tea, toyeain tea, Ca mel lia sasanqua, sky -itu it, lemon, hawthorn, p omegranate, soybean.

6. (Previous ly prese n te d) T h e method of claim 5, wherein the axnina.tion graphene is modified by at least o ne o f ethylenediamine, triethylene tetramine, octadecylamine, dodecylamine, hydrazine hydrate, hydroxylamine, a mm onia, p-chloroaniline, se c- bmtyLin ine, dodecyl-tetr adec yl di methyl amine, n it r oge n amino acid, protein, an d polyamidoamine (PAMA M) dendrimer.

(Pre viou sly presented) The method of claim 1 [[211, whewein the amination graphene is an amination graphene-ionic l iquid or an amination g rap henCe -ionic liquid oxide which conpuises a n ionic liquid selected f romv a group comprising 1 -et hyl-3-metyliidazoli tm hexaftluorophosphate, I- ethyl-3- m eth yl imidazoli um bis [(triflu oromet hy l)s td fony Jim ide, 1-bty l-3- meth ylimi daz oli um bis [(trifl u oro methyl) sulfo nyljimide, 1 -buty l -3-met hylinidazolium tetra fl uor ob orate, I -butyl-3- meth yli m idazole c h lo r ide, 1 -buty l-3-m ethyli midazolium bro mide- l-h exylp yridimium trifluoromethanesulfonate, 1 -ethyl- 3-methylim ida z oli um bromide, l.- ethyl -3-methylimidazolium- I odide, I-butyi-3-meth yli ni idazol ium hexatluorophosphate. I- butyl-3 -m ethyli-midazolium bis[(tr i lu oromet hyli)su lfo nyl]im ide, l-ethy l -3-methylim id azol innmte-traf lnoroborate, I,2 -di methy l-3- propyli m idazo ium bis(tri flu oro nrethyl sulfo nyl) imi de, I -ethyl-3-methyl imid azo l ium p- tolenesul fonate, 1 -(cya nomethyl pyridiniurn ch lor ide,.1-hex yllpyridiniumn hex afluorophosphate, I-butr yl-2,3-dimetlylim ida zolium hexafluorophosphate, 1-h exy l -3- methylin idazolitm hexafluorophosphate, trihexyl (te tradecyl)phosphonium hexafluorophosphate, 1 -butyl -_ 2 Applicafion No, 14/948, 248 Docket No,: Y-WK I $ -076-SZWMH-US-076 methylimidazolium c hl ori d e, I-butyl -3-dimetylimidazolium diethyleneglvcolmonomkethylether sulfte, 1b-utyl-3-methylimridoldum r ethanesulfonate, 1-butyl-3~rethyhiidazulium octyl sul f ate, 1 -ami no pyridin ium i odide, 1,2-b is (3-metlylimidazoiium-Ny!) edane dihydroxide, 1 -but yl-3- m eth ylim idaz olium hydro x ide, 1 -methy l-3 -butyli m idazol ium hydroxide, and I- (cya nomethyl)pyridini am chloride.

The method of claim 1, wherein t he flavone component is adsorbed from p l ants; the pla n s comprise een ~Pse&-gink goa c eae., rutaceae, ericaceae, labiatae, umbelliferae, legamtninosae, theaceae meliaceae, com posit e, moraceae and c apri fo liac eae.- & The met h od of claim 7, wherein the plants comp r ise ee*pfes ginkgo leaf, Ro sa roxbunghii, Camellia nitidissima h'l i, black tea, green tea, pu'er tea, dark tea, high mo untain tea, toyeain tea, Ca mel lia sasanqua, sky -itu it, lemon, hawthorn, p omegranate, soybean.

6. (Previous ly prese n te d) T h e method of claim 5, wherein the axnina.tion graphene is modified by at least o ne o f ethylenediamine, triethylene tetramine, octadecylamine, dodecylamine, hydrazine hydrate, hydroxylamine, a mm onia, p-chloroaniline, se c- bmtyLin ine, dodecyl-tetr adec yl di methyl amine, n it r oge n amino acid, protein, an d polyamidoamine (PAMA M) dendrimer.

(Pre viou sly presented) The method of claim 1 [[211, whewein the amination graphene is an amination graphene-ionic l iquid or an amination g rap henCe -ionic liquid oxide which conpuises a n ionic liquid selected f romv a group comprising 1 -et hyl-3-metyliidazoli tm hexaftluorophosphate, I- ethyl-3- m eth yl imidazoli um bis [(triflu oromet hy l)s td fony Jim ide, 1-bty l-3- meth ylimi daz oli um bis [(trifl u oro methyl) sulfo nyljimide, 1 -buty l -3-met hylinidazolium tetra fl uor ob orate, I -butyl-3- meth yli m idazole c h lo r ide, 1 -buty l-3-m ethyli midazolium bro mide- l-h exylp yridimium trifluoromethanesulfonate, 1 -ethyl- 3-methylim ida z oli um bromide, l.- ethyl -3-methylimidazolium- I odide, I-butyi-3-meth yli ni idazol ium hexatluorophosphate. I- butyl-3 -m ethyli-midazolium bis[(tr i lu oromet hyli)su lfo nyl]im ide, l-ethy l -3-methylim id azol innmte-traf lnoroborate, I,2 -di methy l-3- propyli m idazo ium bis(tri flu oro nrethyl sulfo nyl) imi de, I -ethyl-3-methyl imid azo l ium p- tolenesul fonate, 1 -(cya nomethyl pyridiniurn ch lor ide,.1-hex yllpyridiniumn hex afluorophosphate, I-butr yl-2,3-dimetlylim ida zolium hexafluorophosphate, 1-h exy l -3- methylin idazolitm hexafluorophosphate, trihexyl (te tradecyl)phosphonium hexafluorophosphate, 1 -butyl -_ 2 Applicafion No, 14/948, 248 Docket No,: Y-WK I $ -076-SZWMH-US-076 methylimidazolium c hl ori d e, I-butyl -3-dimetylimidazolium diethyleneglvcolmonomkethylether sulfte, 1b-utyl-3-methylimridoldum r ethanesulfonate, 1-butyl-3~rethyhiidazulium octyl sul f ate, 1 -ami no pyridin ium i odide, 1,2-b is (3-metlylimidazoiium-Ny!) edane dihydroxide, 1 -but yl-3- m eth ylim idaz olium hydro x ide, 1 -methy l-3 -butyli m idazol ium hydroxide, and I- (cya nomethyl)pyridini am chloride.

The method of claim 1, wherein t he flavone component is adsorbed from p l ants; the pla n s comprise een ~Pse&-gink goa c eae., rutaceae, ericaceae, labiatae, umbelliferae, legamtninosae, theaceae meliaceae, com posit e, moraceae and c apri fo liac eae.- & The met h od of claim 7, wherein the plants comp r ise ee*pfes ginkgo leaf, Ro sa roxbunghii, Camellia nitidissima h'l i, black tea, green tea, pu'er tea, dark tea, high mo untain tea, toyeain tea, Ca mel lia sasanqua, sky -itu it, lemon, hawthorn, p omegranate, soybean.

6. (Previous ly prese n te d) T h e method of claim 5, wherein the axnina.tion graphene is modified by at least o ne o f ethylenediamine, triethylene tetramine, octadecylamine, dodecylamine, hydrazine hydrate, hydroxylamine, a mm onia, p-chloroaniline, se c- bmtyLin ine, dodecyl-tetr adec yl di methyl amine, n it r oge n amino acid, protein, an d polyamidoamine (PAMA M) dendrimer.