Anxiolytic activity of hot water brew of Sri Lankan black tea (Camellia sinensis L.) in rats

Australian Journal of Medical Herbalism

Volumn 19, Issue 4, 2007, Pages

  Ratnasooriya, W D ^a   Fernando, T S P ^a   Ranatunga, R A A R ^a  

^a UNIVERSITY OF COLOMBO   (Sri Lanka)

Author keywords

Anxiety; Anxiolytic; Black tea; Camellia sinensis; Dust grade tea; Sri Lankan tea

Indexed keywords

EID: 41149113547     PISSN: 10338330     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (27)

1. Agathon M. 1994. Social anxiety: occupational and life stressors. Homeostasis 35;95-7.
2. Anonymous. 1980. Tea preparation of liquor for use in sensory tests: ISO 3103:1532. International Organization for Standardization. Geneva Switzerland.
3. Anonymous. 2005. Green tea and anxiety- anti-anxiety and stress relief from theanine in green tea promotes relaxation. accessed 18 December 2006.
4. Ayoka AO, Akomolafe RO, Iwalewa EO, Ukponmwan OE. 2005. Studies on the anxiolytic effect of Spondias mombin L. (Anacardiaceae) extracts. Af J Compl Alt Med 2;153-65.
5. Balentine DA, Wiseman SA, Bouwens CM. 1997. The chemistry of tea flavonoides. Crit Rev Food Sci Nutr 37;693-704.
6. Dekermendjian K, Kahnberg P, Witt MR, Sterner O, Nielson M, Liljefors T. 1999. Structure-activity relationships and molecular modeling analysis of flavonoids binding to benzodiazepine site of the rat brain GABA (A) receptor complex. J Med Chem 2; 4343-50.
7. Dhawan BN, Srimal RC. 1998. Laboratory Manual for Pharmacological Evaluation of Natural Products. ICS: Trieste Italy.
8. File SE, Wardrill A. 1975. Validity of head dipping as a measure of exploration in modified hole-board. Psychopharmacol 44;53-7.
9. Fuentes JA, Ruiz-Gayo H, Manzanares J, Vela G, Reche I, Corchero J. 1999. Cannabinoids as potential new analgesics. Life Sci 65; 675-85.
10. Greenwell I. 1999. Cardioprotective properties of green tea. LE magazine 1-9. accessed 18 December 2006.
11. Koo MWL, Cho CH. 2004. Pharmacological effects of green tea on gastrointestinal system. Eur J Pharmacol 500;177-85.
12. Lu K, Gray MA, Oliver C, Liley DT, Harrison BJ, Bartholomeusz CF, Phan KL, Nathan PJ. 2004. The acute effects of L-thianine in comparison with alprazolam on anticipatory anxiety in humans. Humans. Psychopharmacol 19;457-65.
13. Maliok JB, Enne Sj, Yamamura HI. 1983. Anxiolytics: Neurochemical behaviour and clinical perspectives. New York: Raven Press.
14. Modder WWD, Amarakoon AMT. 2002. Tea and Health. Sri Lanka: Talawakelle.
15. Mortin WJ, Lai NK, Patriott SL, Tsou K, Waltier TM. 1993. Antinociceptive actions of cannobinoids following intraventricular administration in rats. Brain Res 629;300-4.
16. Paladini AC, Marder M, Viola H, Wolfman C, Wasowski C, Medina JH. 1999. Flavonoids and the central nervous system: from forgotten factors to potent anxiolytic compounds. J Pharm Pharmacol 51;519-26.
17. Pavia DL, Lampman GM, Kriz GS. 1976. Introduction to Organic Laboratory Techniques. Philadelphia: Saunders.
18. Perrault G, Morel E, Sanger DJ, Zivkovic B. 1990. Differences in pharmacological profiles of new generation of benzodiazepenes and non-benzodiozepene hypnotics. Eur J Pharmacol 182;487-9.
19. Plaznik A, Stefanski R, Palejko W, Kostowski W. 1993. The role of accumbens GABA-B receptors in the regulation of rat behaviour. Neurosci Res Comm 12;23-30.
20. Poschel BPH. 1971. A simple and specific screen for benzodiazepine- like drugs. Psychopharmacol 62;117-21.
21. Rang HP, Dale MM, Ritter JM. 1995. Pharmacology. London: Churchill Livingstone.
22. Ratnasooriya WD, Dharmasiri MG. 2001. Sedative activity of Argyrea populifoia leaf extract. J Tropl Med Plants 2; 183-8.
23. Ratnasooriya WD, Jayakody JRAC, Hettiarachchi ADI, Dharmasiri MG. 2005. Sedative effects of hot flower infusion of Nyctanthes arbo-tristis on rats. Pharmaceut Biol 43; 140-6.
24. Rizvi SA, Zaid MA. 2005. Impairment of sodium pump and Na/H exchanger in erythrocytes from non-insulin dependent diabetes mellitus patients: effect of tea catechins. Clin Chemica Acta 354;56-67.
25. Singal A, Tirkey N, Pilkhwal S, Chapra K. 2006. Green tea (Camellia sinensis) extract ameliorates endotoxin induced sickness behavior and liver damage in rats. Phytotherap Res 20;125-9.
26. Takeda H, Tsuji M, Matsumiya T. 1998. Changes in head dipping-behaviour on the hole-board test reflect the anxiogenic and/ or anxiolytic state in mice. Eur J pharmacol 350;21-9.
27. Vukovic MSW. 2004. Calm anxiety and more with suntheanine. 66-67. accessed 18 December 2006.