Study on the Scaveninging Effect on Active Oxygen Radicals O 2 of Bitter Components of Humulus Lupulus L,Ribes JenczewKii Pojark,Cydonia oblonga Mill,Ficus Carica L,Morus Alaba Lby Single Sweep Oscillopolarography

FOOD SCIENCE ›› 2002, Vol. 23 ›› Issue (2): 35-37.

Study on the Scaveninging Effect on Active Oxygen Radicals O 2 of Bitter Components of Humulus Lupulus L,Ribes JenczewKii Pojark,Cydonia oblonga Mill,Ficus Carica L,Morus Alaba Lby Single Sweep Oscillopolarography

ZHAO Su-Hua, SI Qin-Tu-Ya

Online:2002-02-15 Published:2012-02-13

Abstract

Abstract: The scavenging effect on active oxygen radicals O2 of bitter components of Humulus Lupu lus L,Ribes jenczewkii pojark,Cydonia oblonga Mill,Ficus Carica L,Morus Alaba Lwa s studied by single sweep oscillopolarog-raphy.Superoxideanionradicalwas producedbytheautoxidationofpyro gallol.Thespinadductcouldbedete rminedby single sweep oscillopolarography.Inseries of bitter components,α-acid,β-acid,hop extracts andtetra hydrog en iso -α-acid(THIAA)showedscavengingeffectonO 2 .ThescavengingabilityonO 2 was intheorderofthefollowing:THIAA>α-acid>hop extracts.In other natura l products,the scavenging ability o n O 2 was in the order of Ribes jenczewkii pojark>Cydonia oblonga mill>Morus alaba L>Ficus carica L.T heir IC 50 values were calculated respec-tively.

Key words: Ribes jenczewkiipojark , Cydonia obl ongaMill , Ficus Carica L Morus Alaba L , Antioxidative effect

ZHAO Su-Hua, SI Qin-Tu-Ya. Study on the Scaveninging Effect on Active Oxygen Radicals O 2 of Bitter Components of Humulus Lupulus L,Ribes JenczewKii Pojark,Cydonia oblonga Mill,Ficus Carica L,Morus Alaba Lby Single Sweep Oscillopolarography[J]. FOOD SCIENCE, 2002, 23(2): 35-37.

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Study on the Scaveninging Effect on Active Oxygen Radicals O 2 of Bitter Components of Humulus Lupulus L,Ribes JenczewKii Pojark,Cydonia oblonga Mill,Ficus Carica L,Morus Alaba Lby Single Sweep Oscillopolarography

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