Radical Scavenging Capacity of Seeds and Leaves Ethanol Extracts of Cynara Scolymus L.-A Comparative Study
Artichoke with scientific name Cynara scolymus L. is an herbal medicinal plant widely used in traditional European medicine. This medicinal plant possesses many properties, including hepatoprotective ability and antioxidant effect. It has been reported that seeds and leaves of the artichoke contain...
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| Veröffentlicht in: | Biotechnology, biotechnological equipment biotechnological equipment, 2012-01, Vol.26 (sup1), p.151-155 |
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| creator | Georgieva, E. Karamalakova, Y. Nikolova, G. Grigorov, B. Pavlov, D. Gadjeva, V. Zheleva, A. |
| description | Artichoke with scientific name Cynara scolymus L. is an herbal medicinal plant widely used in traditional European medicine. This medicinal plant possesses many properties, including hepatoprotective ability and antioxidant effect. It has been reported that seeds and leaves of the artichoke contain different constituents such as caffeoylquinic acid derivatives, mono- and di- caffeoylquinic acids, bitter sesquiterpene such as cynatriol and cynaropicrin and flavonoids glycosides like apigenin, luteolin cynaroside, scolimoside, quercitine and others.
The aim of the present study was by an Electron Paramagnetic Resonance (EPR) method and visible spectrophotometry to evaluate and compare the radical scavenging capacity towards 1,1 -diphenyl-2-picrylhydrazyl (DPPH) of ethanol extracts prepared from Cynara scolymus L. seeds and leaves. By both methods we have demonstrated that at any studied concentration of the seeds extract the percent of the scavenged DPPH radicals was considerably higher than that calculated for the leaves extract. |
| doi_str_mv | 10.5504/50YRTIMB.2011.0028 |
| format | Article |
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The aim of the present study was by an Electron Paramagnetic Resonance (EPR) method and visible spectrophotometry to evaluate and compare the radical scavenging capacity towards 1,1 -diphenyl-2-picrylhydrazyl (DPPH) of ethanol extracts prepared from Cynara scolymus L. seeds and leaves. By both methods we have demonstrated that at any studied concentration of the seeds extract the percent of the scavenged DPPH radicals was considerably higher than that calculated for the leaves extract.</description><identifier>ISSN: 1310-2818</identifier><identifier>EISSN: 1314-3530</identifier><identifier>DOI: 10.5504/50YRTIMB.2011.0028</identifier><language>eng</language><publisher>Sofia: Taylor & Francis</publisher><subject>antioxidant activity ; Antioxidants ; Artichokes ; Caffeoylquinic acid ; Comparative studies ; Cynara scolymus ; Cynara Scolymus L ; DPPH scavenging capacity ; Electron paramagnetic resonance ; Electron spin resonance ; EPR spectroscopy ; Ethanol ; Flavonoids ; Glycosides ; Herbal medicine ; Leaves ; Medicinal plants ; Scavenging ; Seeds ; Spectrophotometry ; spectrophotometry method</subject><ispartof>Biotechnology, biotechnological equipment, 2012-01, Vol.26 (sup1), p.151-155</ispartof><rights>2012 Taylor and Francis Group, LLC 2012</rights><rights>2012 Taylor and Francis Group, LLC</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c362t-45e3d8fe2763c9e220816d346180bacecd2dbba4df5d55024bc9bac869f98fb73</citedby><cites>FETCH-LOGICAL-c362t-45e3d8fe2763c9e220816d346180bacecd2dbba4df5d55024bc9bac869f98fb73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Georgieva, E.</creatorcontrib><creatorcontrib>Karamalakova, Y.</creatorcontrib><creatorcontrib>Nikolova, G.</creatorcontrib><creatorcontrib>Grigorov, B.</creatorcontrib><creatorcontrib>Pavlov, D.</creatorcontrib><creatorcontrib>Gadjeva, V.</creatorcontrib><creatorcontrib>Zheleva, A.</creatorcontrib><title>Radical Scavenging Capacity of Seeds and Leaves Ethanol Extracts of Cynara Scolymus L.-A Comparative Study</title><title>Biotechnology, biotechnological equipment</title><description>Artichoke with scientific name Cynara scolymus L. is an herbal medicinal plant widely used in traditional European medicine. This medicinal plant possesses many properties, including hepatoprotective ability and antioxidant effect. It has been reported that seeds and leaves of the artichoke contain different constituents such as caffeoylquinic acid derivatives, mono- and di- caffeoylquinic acids, bitter sesquiterpene such as cynatriol and cynaropicrin and flavonoids glycosides like apigenin, luteolin cynaroside, scolimoside, quercitine and others.
The aim of the present study was by an Electron Paramagnetic Resonance (EPR) method and visible spectrophotometry to evaluate and compare the radical scavenging capacity towards 1,1 -diphenyl-2-picrylhydrazyl (DPPH) of ethanol extracts prepared from Cynara scolymus L. seeds and leaves. By both methods we have demonstrated that at any studied concentration of the seeds extract the percent of the scavenged DPPH radicals was considerably higher than that calculated for the leaves extract.</description><subject>antioxidant activity</subject><subject>Antioxidants</subject><subject>Artichokes</subject><subject>Caffeoylquinic acid</subject><subject>Comparative studies</subject><subject>Cynara scolymus</subject><subject>Cynara Scolymus L</subject><subject>DPPH scavenging capacity</subject><subject>Electron paramagnetic resonance</subject><subject>Electron spin resonance</subject><subject>EPR spectroscopy</subject><subject>Ethanol</subject><subject>Flavonoids</subject><subject>Glycosides</subject><subject>Herbal medicine</subject><subject>Leaves</subject><subject>Medicinal plants</subject><subject>Scavenging</subject><subject>Seeds</subject><subject>Spectrophotometry</subject><subject>spectrophotometry method</subject><issn>1310-2818</issn><issn>1314-3530</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kEtv1DAURi1EJcq0f4CVJTZsMviRh7NgUaIBKg1C6rQLVtaNHyWjxB5sp5B_j8PAhgXe2Lo63yffg9ArSrZVRcq3Ffl6d3_7-f2WEUq3hDDxDF1STsuCV5w8__0mBRNUvEAvYzwS0hBCm0t0vAM9KBjxQcGTcY-De8QdnEANacHe4oMxOmJwGu9NBiLepW_g_Ih3P1MAleIKdYuDALnCj8s0R7zfFje489MpT9PwZPAhzXq5QhcWxmiu_9wb9PBhd999KvZfPt52N_tC8ZqloqwM18Ia1tRctYYxImiteVlTQXpQRmmm-x5KbSudd2dlr9o8F3VrW2H7hm_Qm3PvKfjvs4lJTkNUZhzBGT9HSfPireDr2aDX_6BHPweXfycZY21dNVlZptiZUsHHGIyVpzBMEJZcJVf98q9-ueqXq_4cencODc76MMEPH0YtEyyjDzaAU0OU_D_5X4WmjFk</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>Georgieva, E.</creator><creator>Karamalakova, Y.</creator><creator>Nikolova, G.</creator><creator>Grigorov, B.</creator><creator>Pavlov, D.</creator><creator>Gadjeva, V.</creator><creator>Zheleva, A.</creator><general>Taylor & Francis</general><general>Taylor & Francis Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QO</scope><scope>7ST</scope><scope>7XB</scope><scope>8FD</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>M2O</scope><scope>MBDVC</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>SOI</scope></search><sort><creationdate>20120101</creationdate><title>Radical Scavenging Capacity of Seeds and Leaves Ethanol Extracts of Cynara Scolymus L.-A Comparative Study</title><author>Georgieva, E. ; 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This medicinal plant possesses many properties, including hepatoprotective ability and antioxidant effect. It has been reported that seeds and leaves of the artichoke contain different constituents such as caffeoylquinic acid derivatives, mono- and di- caffeoylquinic acids, bitter sesquiterpene such as cynatriol and cynaropicrin and flavonoids glycosides like apigenin, luteolin cynaroside, scolimoside, quercitine and others.
The aim of the present study was by an Electron Paramagnetic Resonance (EPR) method and visible spectrophotometry to evaluate and compare the radical scavenging capacity towards 1,1 -diphenyl-2-picrylhydrazyl (DPPH) of ethanol extracts prepared from Cynara scolymus L. seeds and leaves. By both methods we have demonstrated that at any studied concentration of the seeds extract the percent of the scavenged DPPH radicals was considerably higher than that calculated for the leaves extract.</abstract><cop>Sofia</cop><pub>Taylor & Francis</pub><doi>10.5504/50YRTIMB.2011.0028</doi><tpages>5</tpages></addata></record> |
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| subjects | antioxidant activity Antioxidants Artichokes Caffeoylquinic acid Comparative studies Cynara scolymus Cynara Scolymus L DPPH scavenging capacity Electron paramagnetic resonance Electron spin resonance EPR spectroscopy Ethanol Flavonoids Glycosides Herbal medicine Leaves Medicinal plants Scavenging Seeds Spectrophotometry spectrophotometry method |
| title | Radical Scavenging Capacity of Seeds and Leaves Ethanol Extracts of Cynara Scolymus L.-A Comparative Study |
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