1 Wurtman RJ, Hefti F & Melamed E (1981) Precursor control of neurotransmitter synthesis. Pharmacol Rev 32, 315–335.
2 McMenamy R & Oncley JL (1958) The specific binding of l-tryptophan to serum albumin. J Biol Chem 233, 1436–1447.
3 Lyons PM & Truswell AS (1988) Serotonin precursor influenced by type of carbohydrate meal in healthy adults. Am J Clin Nutr 47, 433–439.
4 Wurtman RJ, Wurtman JJ, Regan MM, et al. (2003) Effects of normal meals rich in carbohydrates or proteins on plasma tryptophan and tyrosine ratios. Am J Clin Nutr 77, 128–132.
5 Lieberman HR, Caballero B & Finer N (1986) The composition of lunch determines afternoon plasma tryptophan ratio in humans. J Neural Transm 65, 211–217.
6 Fernstrom JD & Wurtman RJ (1971) Brain serotonin content: increase following ingestion of carbohydrate diet. Science 174, 1023–1025.
7 Wurtman RJ (1988) Effects of their nutrient precursors on the synthesis and release of serotonin, the catecholamines, and acetylcholine: implications for behavioral disorders. Clin Neuropharmacol 11, Suppl. 1, S187–S193.
8 Berry EM, Growdon JH, Wurtman JJ, et al. (1991) A balanced carbohydrate: protein diet in the management of Parkinson's disease. Neurology 41, 1295–1297.
9 Wells AS & Read NW (1995) Influences of dietary and intraduodenal lipid on alertness, mood, and sustained concentration. Br J Nutr 74, 115–123.
10 Ercan N, Gannon MC & Nuttall FQ (1994) Effect of added fat on the plasma glucose and insulin response to ingested potato given in various combinations as two meals in normal individuals. Diabetes Care 17, 1453–1459.
11 Afaghi A, O'Connor H & Chow CM (2007) High-glycemic-index carbohydrate meals shorten sleep onset. Am J Clin Nutr 85, 426–430.
12 Brouns F, Bjorck I, Frayn KN, et al. (2005) Glycaemic index methodology. Nutr Res Rev 18, 145–171.
13 Flint A, Raben A, Blundell JE, et al. (2000) Reproducibility, power and validity of visual analogue scales in assessment of appetite sensations in single test meal studies. Int J Obes (Lond) 24, 38–48.
14 Rahemtulla Z, Baldwin C, Spiro A, et al. (2005) The palatability of milk-based and non-milk-based nutritional supplements in gastrointestinal cancer and the effect of chemotherapy. Clin Nutr 24, 1029–1037.
15 Brand-Miller JC, Thomas M, Swan V, et al. (2003) Physiological validation of the concept of glycemic load in lean young adults. J Nutr 133, 2728–2732.
16 Henry CJ, Lightowler HJ, Kendall FL, et al. (2006) The impact of the addition of toppings/fillings on the glycaemic response to commonly consumed carbohydrate foods. Eur J Clin Nutr 60, 763–769.
17 Huq F, Thompson M & Ruell P (1993) Changes in serum amino acid concentrations during prolonged endurance running. Jpn J Physiol 43, 797–807.
18 Foster-Powell K, Holt SH & Brand-Miller JC (2002) International table of glycemic index and glycemic load. Am J Clin Nutr 76, 5–56.
19 Pawlak DB, Ebbeling CB & Ludwig DS (2002) Should obese patients be counselled to follow a low-glycaemic index diet? Yes. Obes Rev 3, 235–243.
20 Jenkins DJA, Kendall CWC, Axelsen M, et al. (2000) Viscous and nonviscous fibres, nonabsorbable and low glycaemic index carbohydrates, blood lipids and coronary heart disease. Curr Opin Lipidol 11, 49–56.
22 America USo (2005) Dietary guidelines for Americans, 6th ed. [Services HaH, Agriculture, editor]. Washington, DC: US Government Printing Office.
23 Australia Co (2003) Dietary Guidelines for Australian Adults [NHMRC, editor]. Canberra: AusInfo.
24 Harada T, Hirotani M, Maeda M, et al. (2007) Correlation between breakfast tryptophan content and morningness–eveningness in Japanese infants and students aged 0–15 yrs. J Physiol Anthropol 26, 201–207.
25 Spring B (1984) Recent research on the behavioral effects of tryptophan and carbohydrate. Nutr Health 3, 55–67.
26 Siegel JM (2004) The neurotransmitters of sleep. J Clin Psychiatry 65, 4–7.
27 Blum I, Vered Y, Graff E, et al. (1992) The influence of meal composition on plasma serotonin and norepinephrine concentration. Metabolism 41, 137–140.
28 Orosco M & Gerozissis K (2001) Macronutrient-induced cascade of events leading to parallel changes in hypothalamic serotonin and insulin. Neurosci Behav Rev 25, 167–174.
29 Dijk DJ & Cajochen C (1997) Melatonin and the circadian regulation of sleep initiation, consolidation, structure, and sleep EEG. J Biol Rhythms 12, 627–635.
30 Monk TH (2005) The post-lunch dip in performance. Clin Sports Med 24, e15–e23.
31 Wells A, Read N, Idzikowski C, et al. (1998) Effects of meals on objective and subjective measures of daytime sleepiness. J Appl Physiol 84, 507–515.
32 Maria TM, Ribeiro CAF & Tice RAM (2004) Influence of the sample preparation method on the serotonin determination in plasma and platelets. Biomed Chromatogr 18, 739–744.
33 Bucci L (1988) Migraine, insomnia and reactive depression due to brain-serotonin deficiency. Br J Psychiatry 152, 867–868.
34 Wurtman RJ & Wurtman JJ (1995) Brain serotonin, carbohydrate-craving, obesity and depression. Obes Res 3, Suppl. 4, 477S–480S.
35 Hartmann E & Elion R (1977) The insomnia of ‘sleeping in a strange place’: effect of l-tryptophan. Psychopharmacology 53, 131–133.
36 Lacey JH, Stanley P, Hartmann M, et al. (1978) The immediate effects of intravenous specific nutrients on EEG sleep. Electroencephalogr Clin Neurophysiol 44, 275–280.