Studies on the reactions of sylvatesmin and lantbeside with oxidizing free radicals

Radiation Physics and Chemistry

Volumn 69, Issue 1, 2004, Pages 25-29

  Miao, Jinling ^a   Wang, Wenfeng ^a   Wu, Tieyi ^a   Dou, Daying ^a   Zhao, Hongwei ^a   Yao, Side ^a   Zheng, Rongliang ^b  

^a INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

^b LANZHOU UNIVERSITY   (China)

Author keywords

Free radical; Lantbeside; Pulse radiolysis; Sylvatesmin

Indexed keywords

FREE RADICALS; OXIDATION; RADIOLYSIS; RATE CONSTANTS;

MEDICINAL HERBS;

RADIATION CHEMISTRY;

FREE RADICAL; HYDROXYL GROUP; LANCEA TIBETICA EXTRACT; LANTBESIDE; LIGNAN DERIVATIVE; NITROGEN DERIVATIVE; PLANT EXTRACT; SCAVENGER; SULFATE; SYLVATESMIN; UNCLASSIFIED DRUG;

AQUEOUS SOLUTION; ARTICLE; CHEMICAL REACTION KINETICS; DRUG ACTIVITY; DRUG ISOLATION; EXPERIMENTAL MODEL; LANCEA TIBETICA; MEDICINAL PLANT; OXIDATION; PULSE RADIOLYSIS; STRUCTURE ACTIVITY RELATION; STRUCTURE ANALYSIS;

EID: 0344309047     PISSN: 0969806X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0969-806X(03)00445-6     Document Type: Article

References (21)

1. Alfassi Z.B., Schuler R.H. Reaction of azide radicals with aromatic compounds. Azide as a selective oxidant. J. Phys. Chem. 89(15):1985;3359-3363.
2. Ames B.N. Dietary carcinogens and anticarcinogens. Science. 221:1983;1256-1264.
3. -) in aqueous solution. J. Phys. Chem. Ref. Data. 17:1988;513-890.
4. Cabelli D.E., Bielski B.H.J., Seib P.A. A pulse radiolysis study of the oxidation of methyl substituted ascorbates. Radat. Phys. Chem. 23:1984;419-429.
5. Erben-Russ M., Bors W., Saran M. Reactions of linoleic peroxyl radicals with phenolic antioxidants. a pulse radiolysis study Int. J. Radiat. Biol. 52:1987;393-412.
6. Guha S.N., Priyadarsini K.I., Devasagayam T.P.A., Rao M.N.A. Hydroxyl radicals reactions of (4-hydroxy-3-methoxy-5-bromophenyl) pentenone, a curcuminoid antioxidant. Radiat. Phys. Chem. 49:1997;43-46.
7. Hayon E., Simic M. Absorption spectra and kinetics of the intermediate produced from the decay of azide radicals. J. Am. Chem. Soc. 92(25):1970;7486-7487.
8. Jovanovic S.V., Steeken S. Substituent effects on the spectral, acid-base and redox properties of indolyl radicals. a pulse radiolysis study J. Phys. Chem. 96:1992;6674-6679.
9. ·- with aromatic compounds. J. Am. Chem. Soc. 99:1977;163-164.
10. Ng T.B., Liu F., Wang Z.T. Antioxidative activity of natural products from plants. Life Sci. 66:2000;709-723.
11. ·- in aqueous solution. An optical and conductometric pulse radiolysis and in situ radiolysis electron spin resonance study. J. Phys. Chem. 79:1975;2773-2779.
12. Owen R.W., Giacosa A., Hull W.E., Haubner R., Würtele G., Spiegelhalder B. Olive-oil consumption and health. the possible role of antioxidants Lancet Oncol. 1:2000;107-112.
13. Priyadarsini K.L., Guha S.N., Rao M.N.A. Physico-chemical properties and antioxidant activities of methoxy phenols. Free Radicals Biol. Med. 24(6):1998;933-941.
14. Priyadarsini K.I., Devasagayam T.P.A., Rao M.N.A., Guha S.N. Properties of phenoxyl radical of dehydrozingerone, a probable antioxidant. Radiat. Phys. Chem. 54(6):1999;551-558.
15. Rice-Evans C.A., Diplock A.T. Current status of antioxidant therapy. Free Radicals Biol. Med. 15:1993;77-96.
16. Silva D.H.S., Pereira F.C., Zanon M.V.B., Yoshida M. Lipophyllic antioxidants from Tryanthera juruensis fruits. Phytochemistry. 57:2001;437-442.
17. Su B.N., Zhu Q.X., Gao K., Yuan C.S.Z., Jia J. Lignan and phenylpropanoid glycosides from Lancea tibetica and their antitumor activity. Planta Med. 65:1999;558-561.
18. Zheng H.D. Studies on the constitutions of Lancea tibetica. J. Lanzhou Univ. 23(4):1987;150-156. (in Chinese).
19. Zhou Y.C., Zheng R.L. Phenolic compounds and an analogue as superoxide anion scavengers and antioxidants. Biochem. Pharm. 42:1991;1177-1179.
20. Wiseman H., Halliwell B. Damage to DNA by reactive oxygen and nitrogen species; role in inflammatory disease and progression in cancer. Biochem. J. 313:1996;17-29.
21. Yao S.D., Sheng S.G., Cai J.H., Zhang J.S., Lin N.Y. Nanosecond pulse radiolysis studies in China. Radiat. Phys. Chem. 46(1):1995;105-109.