Skip to main content

Table 1 Energy and nutrient intakes at breakfast, lunch, and supper

From: Can tryptophan supplement intake at breakfast enhance melatonin secretion at night?

Energy and nutrients

Breakfast (TRP/placebo)

Lunch

Supper

Energy

(kJ)

1582

3406

4004

Tryptophan

(mg)

1051.9/51.9

307

300

Protein

(g)

4.3

26.1

27.1

Lipid

(g)

7.9

15.6

29.3

Carbohydrate

(g)

72.3

139.5

143.0

Isoleucine

(mg)

154.0

370.4

1064.3

Leucine

(mg)

296.5

684.6

1887.1

Phenylalanine

(mg)

185.7

453.1

1083.7

Tyrosine

(mg)

137.6

319.8

814.7

Valine

(mg)

207.9

503.1

1249.2

LNAA

(mg)

981.7

2330.9

6099.0

TRP/LNAA ratio

(mol/mol)

0.727/0.036

0.089

0.033

  1. Energy and nutrient contents of each meal were calculated from the Standard Tables of Food Composition in Japan [20]
  2. LNAA large neutral amino acids (isoleucine, leucine, phenylalanine, tyrosine, valine), TRP tryptophan