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Medicinal Plant Using Ground State Stabilization of natural Antioxidant Curcumin by Keto-Enol Tautomerisation

natural Products and Bioprospecting 2018年第5期8卷 369-390页

作者： S.Manimaran K.Sambath Kumar R.Gayathri K.Raja n.rajkamal M.Venkatachalapathy G.Ravichandran C.Lourdu EdisonRaj P.G&Research Department of Physics Thanthai Hans Roever College(Autonomous)PerambalurTamil Nadu 621220India Post Graduate and Research Department of Physics (NANO Science Divisions)A.A.Govt.Arts CollegeVillupuramTamil Nadu 605602India Post Graduate and Research Department of Physics Cauvery College for WomenTiruchirappalliTamil NaduIndia Post Graduate and Research Department of Physics Dr.R.K.Shanmugam College of Arts&ScienceKallakurichiTamil Nadu 606213India Post Graduate and Research Department of Physics Thiru.A.Govindasamy Govt Arts CollegeTindivanamTamil Nadu 604002India Post Graduate and Research Department of Chemistry A.A.Govt.Arts CollegeVillupuramTamil Nadu 605602India

Curcumin is a medicinal agent that exhibits anti-cancer properties and bioactive pigment in Turmeric has a huge thera-peutic *** has a keto-enol moiety that gives rise to many of its chemical properties.A recent study has shown thatketo-enol tautomerisation at this moiety is implicated the effect of *** tautomerisation of curcumin in *** and acetonitrile are used in nuclear magnetic resonance(^(1)H,^(13)C)*** was characterized using UV,IRand Raman spectral *** molecular electrostatic potential surface of the Curcumin has been visualized in elec-tropositive potential in the region of the CH^(3+) group and most electronegative potential in the two oxygen atom has verystrong binding *** the following,the modality of structural and thermo dynamical parameters,electrophilicity(ω).chemical potential(μ),chemical hardness(η) and electronic charge transfer confirms the local *** rate constantof tautomerisation of curcumin shows strong temperature *** electrostatic potential and Temperature dependence of various thermodynamic properties like(C^(0)_(p,m),S^(0)_(m),and H^(0)_(m))is increase with increase in temperature formonomer and dimer of various electrical fields.

关键词： Curcumin nMR.Uv HOMO-LUMO.MEP

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