Fatty Acid and Sterol Profiles of Commonly Available Street Foods in Sri Lanka: Comparison to Other Countries in the Asian Region
Table 4
(a) Fatty acid composition, quantity (mg/g), and fatty acid ratios of selected ready-to-eat street foods of Sri Lanka. (b) Trans fatty acid (TFAs) composition and content (mg/g) and total trans fatty acid contents of ready-to-eat street foods of Sri Lanka
(a)
Fatty acid
Fried rice
Rice & curry
Koththu
Rolls
Pastry
Dhal vada
Uludu vada
mg/g
SFA
C 6:0
ND
0.03 ± 0.01
0.11 ± 0.08
ND
ND
ND
ND
C 8:0
C 10:0
C 12:0
C 14:0
C 15:0
C 16:0
C 17:0
C 18:0
C 20:0
C 22:0
C 23:0
ND
ND
ND
0.01 ± 0.00
ND
ND
ND
C 24:0
Total SFA
cis-MUFA
C 14:1
ND
ND
C 15:1
ND
ND
ND
ND
ND
ND
C 16:1
C 17:1
ND
ND
C 18:1n-9
C 18:1n-11
C 20:1n-9
C 22:1n-9
ND
ND
ND
C24:1 n-9
ND
ND
Total MUFA
cis-PUFA
C 18:2 n-6
C 18:3 n-6
C 18:3 n-3
C 20:2 n-6
C 20:3 n-6
ND
C 20:4 n-6
ND
ND
ND
C 22:2 n-6
ND
ND
ND
ND
C 20:5 n-3
C 22:4 n-6
ND
ND
ND
ND
C 22:5 n-6
ND
C 22:5 n-3
ND
ND
ND
C 22:6 n-3
ND
Total PUFA
0
Fatty acid ratios; means
PUFA:SFA
0.28
0.24
0.26
0.25
0.16
0.20
0.25
PUFA:MUFA
0.32
0.37
0.37
0.29
0.29
0.25
0.31
n6-PUFA: n3-PUFA
27
34
24
19
21
26
18
The content of each fatty acid is expressed as for each food type. SFA: saturated fatty acids; MUFA: monounsaturated fatty acids; PUFA: polyunsaturated fatty acids. ND: not detected; limit of determination: 0.01 mg/g.
(b)
TFA
Mean TFA content (mg/g)
Fried rice
Rice & curry
Koththu
Rolls
Pastry
Dhal vada
Uludu vada
C 14:1t
ND
ND
0.02
0.01
ND
ND
ND
C16:1t
0.07
0.02
0.06
0.06
0.19
0.06
0.05
C 17:1n-8t
0.01
ND
ND
0.01
0.02
ND
ND
C 18:1n-9t
0.07
0.06
0.12
0.16
0.17
0.23
0.11
C 18:2n-6t,9t
ND
ND
ND
0.01
ND
ND
ND
C18:2n-6t,9c
0.08
0.05
0.06
0.15
0.24
0.24
0.24
C18:2n-6c, 9t
0.08
0.06
0.06
0.16
0.26
0.26
0.26
C18:3n-3t, 6t, 9t
0.02
ND
0.02
0.02
0.04
0.04
0.02
C 18:3n-3t, 6t, 9t
0.02
ND
ND
0.02
0.04
0.03
0.02
C 22:1t
0.01
ND
0.02
ND
ND
ND
ND
Total TFA (mg/g)
0.36
0.19
0.36
0.60
0.96
0.86
0.70
Total TFA (g/100 g)
0.04
0.02
0.04
0.06
0.10
0.09
0.07
Range
(0.01-0.12)
(0.01-0.02)
(0.01-0.11)
(0.03-0.13)
(0.06-0.29)
(0.02-0.14)
(0.02-0.12)
Total TFA (% total fatty acids)
0.57
0.23
0.04
0.55
0.43
0.75
0.65
Range
(0.25-1.05)
(0.12-0.38)
(0.18-1.60)
(0.32-0.89)
(0.25-1.12)
(0.34-1.12)
(0.32-1.03)
ND: not detected; limit of determination: 0.01 mg/g; t: trans isomers; c: cis isomer.
