Extraction parameters and capillary electrophoresis analysis of limonin glucoside and phlorin in citrus byproducts
Identifieur interne : 000147 ( PascalFrancis/Curation ); précédent : 000146; suivant : 000148Extraction parameters and capillary electrophoresis analysis of limonin glucoside and phlorin in citrus byproducts
Auteurs : Robert J. Braddock [États-Unis] ; Charles R. Bryan [États-Unis]Source :
- Journal of agricultural and food chemistry : (Print) [ 0021-8561 ] ; 2001.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Méthanol.
English descriptors
- KwdEn :
Abstract
Limonin glucoside (LG) and phlorin were extracted from citrus fruit tissues and assayed by capillary electrophoresis (CE). LG was determined in dried [1.20 ± 0.10 mg of dry weight (dw)] and wet peel residues (1.16 ± 0.04 mg of dw), orange juice finisher pulp (0.58 ± 0.03 mg of dw), dried grapefruit seeds (2.70 ± 0.15 mg of dw), and 50 °Brix molasses (2225 ± 68 mg/L). Phlorin was purified from orange peel residue and grapefruit albedo, and concentrations were determined in some citrus products. Phlorin and LG were extracted from residues with water/pectinase or with water solutions of methanol and ethanol. Efficient LG extraction from grapefruit seeds (2.40 ± 0.15 mg/g) was achieved with 50-65% methanol, solvent polarity P' 7-8. Extracts were purified and concentrated by adsorptive resins and HPLC to obtain 95% pure compounds of LG and phlorin. CE analysis did not require extract purification beyond filtration. LG and phlorin migrated as anions in electropherograms containing peaks representing other citrus flavonoids and limonoid glucosides.
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<term>Aqueous solution</term>
<term>By product</term>
<term>Capillary electrophoresis</term>
<term>Citrus paradisi</term>
<term>Citrus sinensis</term>
<term>Ethanol</term>
<term>Extraction process</term>
<term>Fruit pulp</term>
<term>HPLC chromatography</term>
<term>Limonin</term>
<term>Methanol</term>
<term>Polygalacturonase</term>
<term>Purification</term>
<term>Skin</term>
<term>Upgrading</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Procédé extraction</term>
<term>Méthode analyse</term>
<term>Electrophorèse capillaire</term>
<term>Sous produit</term>
<term>Pulpe fruit</term>
<term>Peau</term>
<term>Albédo</term>
<term>Purification</term>
<term>Solution aqueuse</term>
<term>Citrus paradisi</term>
<term>Citrus sinensis</term>
<term>Limonine</term>
<term>Méthanol</term>
<term>Ethanol</term>
<term>Polygalacturonase</term>
<term>Chromatographie HPLC</term>
<term>Valorisation</term>
<term>Phlorine</term>
<term>Limonine glucoside</term>
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<front><div type="abstract" xml:lang="en">Limonin glucoside (LG) and phlorin were extracted from citrus fruit tissues and assayed by capillary electrophoresis (CE). LG was determined in dried [1.20 ± 0.10 mg of dry weight (dw)] and wet peel residues (1.16 ± 0.04 mg of dw), orange juice finisher pulp (0.58 ± 0.03 mg of dw), dried grapefruit seeds (2.70 ± 0.15 mg of dw), and 50 °Brix molasses (2225 ± 68 mg/L). Phlorin was purified from orange peel residue and grapefruit albedo, and concentrations were determined in some citrus products. Phlorin and LG were extracted from residues with water/pectinase or with water solutions of methanol and ethanol. Efficient LG extraction from grapefruit seeds (2.40 ± 0.15 mg/g) was achieved with 50-65% methanol, solvent polarity P' 7-8. Extracts were purified and concentrated by adsorptive resins and HPLC to obtain 95% pure compounds of LG and phlorin. CE analysis did not require extract purification beyond filtration. LG and phlorin migrated as anions in electropherograms containing peaks representing other citrus flavonoids and limonoid glucosides.</div>
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<fC01 i1="01" l="ENG"><s0>Limonin glucoside (LG) and phlorin were extracted from citrus fruit tissues and assayed by capillary electrophoresis (CE). LG was determined in dried [1.20 ± 0.10 mg of dry weight (dw)] and wet peel residues (1.16 ± 0.04 mg of dw), orange juice finisher pulp (0.58 ± 0.03 mg of dw), dried grapefruit seeds (2.70 ± 0.15 mg of dw), and 50 °Brix molasses (2225 ± 68 mg/L). Phlorin was purified from orange peel residue and grapefruit albedo, and concentrations were determined in some citrus products. Phlorin and LG were extracted from residues with water/pectinase or with water solutions of methanol and ethanol. Efficient LG extraction from grapefruit seeds (2.40 ± 0.15 mg/g) was achieved with 50-65% methanol, solvent polarity P' 7-8. Extracts were purified and concentrated by adsorptive resins and HPLC to obtain 95% pure compounds of LG and phlorin. CE analysis did not require extract purification beyond filtration. LG and phlorin migrated as anions in electropherograms containing peaks representing other citrus flavonoids and limonoid glucosides.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A35F</s0>
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<s5>01</s5>
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<s5>03</s5>
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<s5>03</s5>
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<s5>04</s5>
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<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Subproducto</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Pulpe fruit</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Fruit pulp</s0>
<s5>05</s5>
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<s5>05</s5>
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<s5>06</s5>
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<s5>06</s5>
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<s5>08</s5>
</fC03>
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<s5>08</s5>
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<s5>08</s5>
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<s5>09</s5>
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<s5>09</s5>
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<s5>09</s5>
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<fC03 i1="10" i2="X" l="FRE"><s0>Citrus paradisi</s0>
<s2>NS</s2>
<s5>10</s5>
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<s2>NS</s2>
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<s2>NS</s2>
<s5>10</s5>
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<s2>NS</s2>
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<s2>NS</s2>
<s5>11</s5>
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<fC03 i1="11" i2="X" l="SPA"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>11</s5>
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<fC03 i1="12" i2="X" l="FRE"><s0>Limonine</s0>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Limonin</s0>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Limonina</s0>
<s5>15</s5>
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<s2>NK</s2>
<s2>FX</s2>
<s5>16</s5>
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<s2>NK</s2>
<s2>FX</s2>
<s5>16</s5>
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<s2>NK</s2>
<s2>FX</s2>
<s5>16</s5>
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<s2>NK</s2>
<s2>FR</s2>
<s2>FX</s2>
<s5>17</s5>
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<fC03 i1="14" i2="X" l="ENG"><s0>Ethanol</s0>
<s2>NK</s2>
<s2>FR</s2>
<s2>FX</s2>
<s5>17</s5>
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<fC03 i1="14" i2="X" l="SPA"><s0>Etanol</s0>
<s2>NK</s2>
<s2>FR</s2>
<s2>FX</s2>
<s5>17</s5>
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<fC03 i1="15" i2="X" l="FRE"><s0>Polygalacturonase</s0>
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<s2>FE</s2>
<s5>33</s5>
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<s2>NK</s2>
<s2>FE</s2>
<s5>33</s5>
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<s5>33</s5>
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<s5>34</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA"><s0>Cromatografía HPLC</s0>
<s5>34</s5>
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<fC03 i1="17" i2="X" l="FRE"><s0>Valorisation</s0>
<s5>35</s5>
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<fC03 i1="17" i2="X" l="ENG"><s0>Upgrading</s0>
<s5>35</s5>
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<fC03 i1="17" i2="X" l="SPA"><s0>Valorización</s0>
<s5>35</s5>
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<fC03 i1="18" i2="X" l="FRE"><s0>Phlorine</s0>
<s2>NK</s2>
<s4>INC</s4>
<s5>78</s5>
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<fC03 i1="19" i2="X" l="FRE"><s0>Limonine glucoside</s0>
<s2>NK</s2>
<s4>INC</s4>
<s5>79</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Rutaceae</s0>
<s2>NS</s2>
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<fC07 i1="01" i2="X" l="ENG"><s0>Rutaceae</s0>
<s2>NS</s2>
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<fC07 i1="01" i2="X" l="SPA"><s0>Rutaceae</s0>
<s2>NS</s2>
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<fC07 i1="02" i2="X" l="FRE"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Dicotyledones</s0>
<s2>NS</s2>
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<fC07 i1="03" i2="X" l="FRE"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Spermatophyta</s0>
<s2>NS</s2>
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<fC07 i1="04" i2="X" l="ENG"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Spermatophyta</s0>
<s2>NS</s2>
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<fC07 i1="05" i2="X" l="FRE"><s0>O-Glycosidases</s0>
<s2>FE</s2>
<s6>«O»-Glycosidases</s6>
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<fC07 i1="05" i2="X" l="ENG"><s0>O-Glycosidases</s0>
<s2>FE</s2>
<s6>«O»-Glycosidases</s6>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>O-Glycosidases</s0>
<s2>FE</s2>
<s6>«O»-Glycosidases</s6>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Glycosidases</s0>
<s2>FE</s2>
</fC07>
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<s2>FE</s2>
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<fC07 i1="06" i2="X" l="SPA"><s0>Glycosidases</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Hydrolases</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Hydrolases</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Hydrolases</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Enzyme</s0>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Enzyme</s0>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Enzima</s0>
</fC07>
<fC07 i1="09" i2="X" l="FRE"><s0>Agrume</s0>
<s5>39</s5>
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<fC07 i1="09" i2="X" l="ENG"><s0>Citrus fruit</s0>
<s5>39</s5>
</fC07>
<fC07 i1="09" i2="X" l="SPA"><s0>Agrios</s0>
<s5>39</s5>
</fC07>
<fC07 i1="10" i2="X" l="FRE"><s0>Solvant</s0>
<s5>50</s5>
</fC07>
<fC07 i1="10" i2="X" l="ENG"><s0>Solvent</s0>
<s5>50</s5>
</fC07>
<fC07 i1="10" i2="X" l="SPA"><s0>Solvente</s0>
<s5>50</s5>
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<fN21><s1>063</s1>
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