Food Surveillance Information Sheet Number 144
TABLE 4: Concentrations of caffeine, theobromine and theophylline in
chocolate products.
| Product type |
Number of samples |
Caffeine (mg/l drink) (mg/kg mousse/bar) |
Theobromine (mg/l drink) (mg/kg mousse/bar) |
Theophylline (mg/l drink) (mg/kg mousse/bar) |
|
|
Mean |
Median |
Range |
Mean |
Median |
Range |
Mean |
Median |
Range |
| Powdered drinksb
|
18
|
23
|
20
|
5.5-41 (18)a
|
367
|
358
|
85-590 (18)a
|
2.9
|
2.5
|
ND-8 (13)a
|
| Milk drinks
|
6
|
14.8
|
15.5
|
8.0-20 (6)a
|
260
|
260
|
141-371 (6)a
|
less than 0.5
|
less than 0.5
|
ND(0)a
|
| Chocolate mousses
|
2
|
36
|
-
|
21/50 (2)a
|
519
|
-
|
386/651 (2)a
|
less than 1.0
|
-
|
ND (0)a
|
|
Chocolate bars
|
6
|
287
|
200
|
110-710 (6)a
|
3778
|
2385
|
1300-
10370 (6)a
|
less than 30
|
less than 30
|
ND (0)a
|
Notes:
aNumber of samples with detectable
concentrations.
bResults relate to drinks prepared according to
manufacturers' instructions.
ND: Not detected (limits of detection
1.
for powdered drinks: caffeine, 0.2 mg/l; theobromine, 0.1 mg/l; theophylline,
0.1 mg/l;
2. for milk drinks: caffeine, 1 mg/l; theobromine, 0.5 mg/l;
theophylline, 0.5 mg/l;
3. for chocolate mousses: caffeine, 2 mg/kg;
theobromine, 1 mg/kg; theophylline, 1 mg/kg;
4. for chocolate bars:
caffeine, 50 mg/kg; theobromine, 20 mg/kg, theophylline, 30 mg/kg).
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These pages were last updated on 27 February 1998
