Time for tea: Mood, blood pressure and cognitive performance effects of caffeine and theanine administered alone and together

Psychopharmacology

Volumn 195, Issue 4, 2008, Pages 569-577

  Rogers, Peter J ^a   Smith, Jessica E ^a   Heatherley, Susan V ^a   Pleydell Pearce, C W ^a  

^a UNIVERSITY OF BRISTOL   (United Kingdom)

Author keywords

Alertness; Anxiety; Blood pressure; Caffeine; Coffee; Cognition; Mood; Tea; Theanine

Indexed keywords

AMINO ACID; CAFFEINE; PLACEBO; THEANINE; UNCLASSIFIED DRUG;

ADULT; ALERTNESS; ANXIETY; ARTICLE; BEHAVIORAL SCIENCE; BLOOD PRESSURE; BLOOD PRESSURE MEASUREMENT; BLOOD PRESSURE REGULATION; CLINICAL TRIAL; COGNITION; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; DOUBLE BLIND PROCEDURE; HUMAN; MOOD; MOOD CHANGE; NERVOUSNESS; NORMAL HUMAN; PRIORITY JOURNAL; PSYCHOLOGIC ASSESSMENT; PSYCHOLOGICAL RATING SCALE; PSYCHOPHARMACOLOGY; RANDOMIZED CONTROLLED TRIAL; REACTION TIME; SELF REPORT; STATE TRAIT ANXIETY INVENTORY; TEA;

ADULT; AFFECT; AROUSAL; ATTENTION; BLOOD PRESSURE; CAFFEINE; COGNITION; DISCRIMINATION LEARNING; DOUBLE-BLIND METHOD; FACIAL EXPRESSION; FEMALE; GLUTAMATES; HEART RATE; HUMANS; MALE; PATTERN RECOGNITION, VISUAL; TEA;

EID: 36349025974     PISSN: 00333158     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00213-007-0938-1     Document Type: Article

References (64)

1. 2a receptor gene polymorphisms and caffeine-induced anxiety. Neuropsychopharmacol 28:1694-1702
2. Arts ICW, Hollman PCH (2005) Polyphenols and disease risk in epidemiologic studies. Am J Clin Nutr 81(suppl):317S-325S
3. Arts ICW, Hollman PCH, Feskens EJM, de Mesquita HBB, Kromhout D (2001) Catechin intake might explain the inverse relation between tea consumption and ischaemic heart disease: the Zutphen Elderly Study. Am J Clin Nutr 74:227-232
4. Balentine DA, Wiseman SA, Bouwens LCM (1997) The chemistry of tea flavonoids. Crit Rev Food Sci Nutr 37:693-704
5. Botella P, Parra A (2003) Coffee increases state anxiety in males but not in females. Hum Psychopharmacol 18:141-143
6. Cornelis MC, El-Sohemy A (2005) Coffee, caffeine, and coronary heart disease. Curr Opin Lipidology 18:13-19
7. Dubick MA, Omaye ST (2006) Grape wine and tea polyphenols in the modulation of atherosclerosis and heart disease. In: Wildman REC (ed) Handbook of nutraceuticals and functional foods, second edition. Taylor and Francis, London, pp 101-130
8. Dunwiddie TV, Masino SA (2001) The role and regulation of adenosine in the central nervous system. Annu Rev Neurosci 24:31-55
9. Ekborg-Ott KH, Taylor A, Armstrong DW (1997) Varietal differences in the total and enantiomeric composition of theanine in tea. J Agric Food Chem 45:353-363
10. Food Standards Agency (2004) Survey of caffeine levels in hot beverages. Food Survey Information Sheet 53/04. http://www.food.gov.uk/multimedia/pdfs/ fsis5304.pdf
11. Goldstein A, Kaizer S, Whitby O (1969) Psychotropic effects of caffeine in man. IV. Quantitative and qualitative differences associated with habituation to coffee. Clin Pharmacol Ther 10:489-497
12. Gomez-Ramirez M, Higgins BA, Rycroft JA, Owen GN, Mahoney J, Shpaner M, Foxe JJ (2007) The deployment of intersensory selective attention: a high-density electrical mapping study of the effects of theanine. Clin Neuropharmacol 30:25-38
13. Hamer M (2006) Coffee and health: explaining conflicting results in hypertension. J Hum Hyptertens 20:909-912
14. Haskell CF, Kenedy DO, Milne AL, Wesnes KA, Scholey AB (2005) Behavioural effects of caffeine and theanine alone and in combination. J Psychophamacol 19(suppl):A45
15. Heatherley SV, Hayward RC, Seers HE, Rogers PJ (2005) Cognitive and psychomotor performance, mood, and pressor effects of caffeine after 4, 6 and 8 h caffeine abstinence. Psychopharmacology 178:461-470
16. Heatherley SV, Mullings EL, Tidbury MA, Rogers PJ (2006a) Caffeine consumption among a sample of UK adults. Appetite 47:266
17. Heatherley SV, Mullings EL, Tidbury MA, Rogers PJ (2006b) The Dietary Caffeine and Health Study: administration of a large postal survey in Bristol. Appetite 47:266
18. Hodgson JM (2006) Effects of tea and tea flavonoids on endothelial function and blood pressure: a brief review. Clin Exp Pharmacol Physiol 33:838-841
19. Howell DC (1997) Statistical methods for psychology. Duxbury Press, Belmont, CA
20. Hughes RN (1996) Drugs which induce anxiety: caffeine. New Zeal J Psychol 25:36-42
21. James JE (2004) Critical review of dietary caffeine and blood pressure: a relationship that should be taken more seriously. Psychosom Med 66:63-71
22. James JE, Rogers PJ (2005) Effects of caffeine on performance and mood: withdrawal reversal is the most plausible explanation. Psychopharmacology 182:1-8
23. James JE, Gregg ME (2004) Hemodynamic effects of dietary caffeine, sleep restriction, and laboratory stress. Psychophysiol 41:914-923
24. Jarvis MJ (1993) Does caffeine enhance intake above absolute levels of cognitive performance. Psychopharmacology 110:45-52
25. Juneja LR, Chu D-C, Okubo T, Nagato Y, Yokogoshi H (1999a) Corrigendum to "l-theanine-a unique amino acid of green tea and its relaxation effect in humans" [Trends in Food Science and Technology 10 (6-7) (1999) 199-204]. Trends Food Sci Technol 10:425
26. Juneja LR, Chu D-C, Okubo T, Nagato Y, Yokogoshi H (1999b) l-theanine-a unique amino acid of green tea and its relaxation effect in humans. Trends Food Sci Technol 10:199-204
27. Kakuda T, Nozawa A, Unno T, Okamura N, Okai O (2000a) Inhibiting effects of theanine on caffeine stimulation evaluated by EEG in the rat. Biosci Biotechnol Biochem 64:287-293
28. Kakuda T, Yanase H, Utsunomiya K, Nozawa A, Unno T, Kataoka K (2000b) Protective effect of γ-glutamylethylamide (theanine) on ischemic delayed neuronal death in gerbils. Neuroscience Letters 289:189-192
29. Kimura R, Murata T (1986) Effects of theanine on norepinephrine and serotonin levels in the rat brain. Chem Pharm Bull 34:3053-3057
30. Kimura K, Ozeki M, Juneja LR, Ohira H (2006) l-theanine reduces psychological and physiological stress responses. Biol Psychol 74:39-45
31. Lieberman HR, Wurtman HJ, Emde GG, Roberts C, Coviella ILG (1987) The effects of low doses of caffeine on human performance and mood. Psychopharmacology 92:308-312
32. Lovibond SH, Lovibond PF (1995) Manual for the Depression Anxiety and Stress Scales. Psychology Foundation of Australia Inc., Sydney, Australia
33. Lu K, Gray MA, Oliver C, Liley DT, Harrison BJ, Bartholomeusz CF, Phan KL, Nathan PJ (2004) The acute effects of l-theanine in comparison with alprazolam on anticipatory anxiety in humans. Hum Psychopharmacol Clin Exp 19:457-465
34. MacLeod C, Mathews A (1988) Anxiety and the allocation of attention to threat. Q J Exp Psychol 40:653-670
35. Mogg K, Bradley BP (2005) Attentional bias in generalized anxiety disorder versus depressive disorder. Cognitve Ther Res 29:29-45
36. Mogg K, Bradley BP, Williams R (1995) Attentional bias in anxiety and depression: the role of awareness. Br J Clin Psychol 34:17-36
37. Nantz MP, Rowe CA, Azeredo A, Marano LE, Bukowski JF, Percival SS (2007) A standardized green tea formula lowers serum amyloid alpha and blood pressure. FASEB J 21:225.3
38. Noordzij M, Uiterwaal CSPM, Arends LR, Kok FJ, Grobbee DE, Geleijnse JM (2005) Blood pressure response to intake of coffee and caffeine: a meta-analysis of randomised controlled trials. J Hypertens 23:921-928
39. Parnell H, Owen GN, Rycroft LA (2006) Combined effects of l-theanine and caffeine on cognition and mood. Appetite 47:273
40. Paterniti S, Alpérovitch A, Ducimetèire P, Dealberto M, Lépine J, Bisserb J (1999) Anxiety but not depression is associated with elevated blood pressure in a community of French elderly. Psychosom Med 61:77-83
41. Peters U, Poole C, Arab L (2001) Does tea affect cardiovascular disease? A meta-analysis. Am J Epidemiol 154:495-503
42. Rogers PJ (2001) A healthy body, a healthy mind: long term impact of diet on cognitive function and mood. Proc Nutr Soc 60:135-143
43. Rogers PJ (2007) Caffeine, mood and mental performance in everyday life. Nutr Bull 32(suppl 1):84-89
44. Rogers PJ, Dernoncourt C (1998) Regular caffeine consumption: a balance of adverse and beneficial effects for mood and psychomotor performance. Pharmacol Biochem Behav 59:1039-1045
45. Rogers PJ, Heatherley SV, Hayward SC, Seers HE, Hill J, Kane M (2005) Effects of caffeine and caffeine withdrawal on mood and cognitive function degraded by sleep restriction. Psychopharmacology 179:742-752
46. Rogers PJ, Heatherley SV, Mullings EL, Nutt DJ (2006a) Licit drug use and depression, anxiety and stress. J Psychopharmacol 20(suppl):A27
47. Rogers PJ, Heatherley SV, Mullings EL, Wu Y, Leonards U (2006b) Caffeine and anxiety. Appetite 47:274
48. Shimbo M, Nakamura K, Shi HJ, Kizuki M, Seino K, Inose T, Takano T (2005) Green tea consumption in everyday life and mental health. Public Health Nutr 8:1300-1306
49. Smit HJ, Rogers PJ (2000) Effects of caffeine on cognitive performance, mood and thirst in lower and higher caffeine consumers. Psychopharmacology 152:167-173
50. Southard DR, Coates TJ, Kolodner K, Parker FC, Padgett NE, Kennedy HL (1986) Relationship between mood and blood pressure in the natural environment: an adult population. Health Psychol 5:469-480
51. Spielberger CD (1991) State-Trait Anger Expression Inventory: professional manual. Psychological Assessment Resources Inc., Odessa, FL
52. Steptoe A, Gibson EL, Vounonvirta R, Williams ED, Hamer M, Rycroft JA, Erusalimsky JD, Wardle J (2007) The effects of tea on psychophysiological stress responsivity and post-stress recovery: a randomised double-blind trial. Psychopharmacology 190:81-89
53. Taubert D, Berkels R, Rossen R, Klaus W (2003) Chocolate and blood pressure in elderly individuals with isolated systolic hypertension. JAMA 290:1029-1030
54. Umezara K, Kobayashi K, Muramoto K, Kawahara M, Mitzutani A, Kakuda T, Kuroda Y (1995) Theanine, a glutamate analog, stimulates NMDA-receptors but suppresses excitatory effect of caffeine on cortical neurons. Society for Neuroscience 21:835(abstract)
55. van Dam RM, Hu FB (2005) Coffee consumption and risk of type 2 diabetes: a systematic review. JAMA 294:97-104
56. Vinson JA (2006) Caffeine and incident hypertension in women. JAMA 295:2135
57. Winklemayer WC, Stampfer MJ, Willett WC, Curhan GC (2005) Habitual caffeine intake and the risk of hypertension in women. JAMA 1294:2330-2335
58. Yamada T, Terashima T, Okubo T, Juneja LR, Yokogoshi H (2005) Effects of theanine, r-glutamylethylamide, on neurotransmitter release and its relationship with glutamic acid neurotransmission. Nutr Neurosci 8:219-226
59. Yamagishi S, Nakamura K, Matsui T, Takenaka K, Jinnouchi Y, Imaizumi T (2006) Cardiovascular disease in diabetes. Mini Reviews in Medicinal Chemistry 6:313-318
60. Yang YC, Lu FH, Wu JS, Wu CH, Chang CJ (2004) The protective effect of habitual tea consumption on hypertension. Arch Intern Med 164:1534-1540
61. Yao L, Lui X, Jiang Y, Caffin N, D'Arcy B, Singanusong R, Datta N, Xu Y (2006) Compositional analysis of teas drom Australian supermarkets. Food Chem 94:115-122
62. Yokogoshi H, Kobayashi M (1998) Hypotensive effect of γ-glutamylmethylamide in spontaneously hypertensive rats. Life Sci 62:1065-1068
63. Yokogoshi H, Kato Y, Sagesaka Y, Matsuura T, Kakuda T, Takeuchi N (1995) Reduction effect of theanine on blood pressure and brain 5-hydroxyindoles in spontaneously hypertensive rats. Biosci Biotech Bioch 59:615-618
64. Yokogoshi H, Kobayashi M, Mochizuki M, Terashima T (1998a) Effect of theanine, γ-glutamylethylamide, on brain monoamines and striatal dopamine release in conscious rats. Neorochem Res 23:667-673