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Pedalitin from isodon japonica, an inactivation of soybean lipoxygenase-1 / Pedalitina de isodon japonica, un inactivador de la lipo oxigenasa-1 de poroto de soya
Joung Ha, Tae; Isobe, Takahiko; Werner, Enrique; Alarcón, Julio; Kubo, Isao; Cespedes, Carlos L.
  • Joung Ha, Tae; University of California. Department of Environmental Science, Policy and Management. Berkeley. US
  • Isobe, Takahiko; Hyogo College of Medicine. Department of Chemistry. Nishinomiya-shi. JP
  • Werner, Enrique; Universidad del Bio Bio. Department of Basic Sciences. Biochemistry and Phytochemical-Ecology Laboratory. Chillán. CL
  • Alarcón, Julio; Universidad del Bio Bio. Department of Basic Sciences. Biochemistry and Phytochemical-Ecology Laboratory. Chillán. CL
  • Kubo, Isao; University of California. Department of Environmental Science, Policy and Management. Berkeley. US
  • Cespedes, Carlos L; Universidad del Bio Bio. Department of Basic Sciences. Biochemistry and Phytochemical-Ecology Laboratory. Chillán. CL
Bol. latinoam. Caribe plantas med. aromát ; 15(1): 29-40, ene. 2016. ilus, graf, tab
Article in English | LILACS | ID: biblio-907515
ABSTRACT
Pedalitin, isolated from the aerial part of Rabdosia japonica (Labiatae), inhibited soybean lipoxygenase-1 (EC 1.13.11.12, Type I) with an IC50 of 152.5 uM. The progress curves for an enzyme reaction, pedalitin inactivate the lipoxygenase-1 in a time dependent, irreversible manner, exhibiting kinetics with a kinact/KI of 59.6 +/- 10 mM-1min-1. In the pseudoperoxidase activity, pedalitin is very slowly oxidized by the soybean lipoxygenase-1 catalyzed decomposition of lipid hydroperoxides.
RESUMEN
Pedalitina, aislada de las partes aereas de Rabdosia japonica inhibió a la lipooxigenasa-1 (EC 1.13.11.12 tipo I) con un IC50 de 152.5 uM. La curva de progreso para una acción enzimática, pedalitina inactivó a la lipooxigenasa-1 de una manera dependiente del tiempo, de una manera irreversible, exhibiendo una cinética con una kinact/KI de 59.6 +/- mM-1min-1. En la actividad pseudoperoxidasa, pedalitina es oxidada lentamente por la descomposición de la lípido hidroperóxido de la lipooxigenasa-1 de poroto de soya.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Soybeans / Lipoxygenase Inhibitors / Isodon / Flavones Language: English Journal: Bol. latinoam. Caribe plantas med. aromát Journal subject: Botany / Medicine / Plantas Medicinais / Terapias Complementares Year: 2016 Type: Article / Project document Affiliation country: Chile / Japan / United States Institution/Affiliation country: Hyogo College of Medicine/JP / Universidad del Bio Bio/CL / University of California/US

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Full text: Available Index: LILACS (Americas) Main subject: Soybeans / Lipoxygenase Inhibitors / Isodon / Flavones Language: English Journal: Bol. latinoam. Caribe plantas med. aromát Journal subject: Botany / Medicine / Plantas Medicinais / Terapias Complementares Year: 2016 Type: Article / Project document Affiliation country: Chile / Japan / United States Institution/Affiliation country: Hyogo College of Medicine/JP / Universidad del Bio Bio/CL / University of California/US