Evaluation of Copper and Manganese Concentrations in Commercial Fruit Juices and Nectars Consumed in Brazil by GF AAS
Table 6
Concentrations of Cu and Mn in the analyzed samples.
Sample
Type
Flavor
Brand
Cu (µg L−1)b
Mn (µg L−1)b
S1
Nectar
Orange
A
179 ± 5 (20)
249 ± 4 (60)
S2
Nectar
Orange
B
214 ± 5 (20)
184 ± 4 (20)
S3
Nectar
Orange
C
24.1 ± 0.8 (3)
246 ± 3 (60)
S4
Nectar
Orange
D
61.7 ± 4.5 (3)
117 ± 1 (40)
S5
Nectar
Mango
A
321 ± 12 (20)
2036 ± 2 (500)
S6
Nectar
Mango
B
231 ± 12 (30)
690 ± 10 (60)
S7
Nectar
Mango
C
253 ± 3 (20)
814 ± 1 (200)
S8
Nectar
Mango
D
199 ± 6 (20)
771 ± 2 (200)
S9
Nectar
Passion fruit
B
72.1 ± 3.8 (20)
116 ± 2 (20)
S10
Nectar
Passion fruit
C
96.4 ± 1.4 (5)
312 ± 5 (80)
S11
Nectar
Peach
A
184 ± 4 (20)
246 ± 3 (80)
S12
Nectar
Peach
B
244 ± 18 (20)
208 ± 1 (20)
S13
Nectar
Peach
C
183 ± 15 (20)
330 ± 2 (80)
S14
Nectar
Peach
D
207 ± 5 (20)
247 ± 12 (80)
S15
Nectar
Grape
A
321 ± 1 (40)
1033 ± 12 (300)
S16
Nectar
Grape
B
259 ± 3 (30)
812 ± 10 (100)
S17
Nectar
Grape
C
243 ± 2 (20)
636 ± 18 (100)
S18
Nectar
Grape
D
606 ± 3 (40)
851 ± 6 (300)
S19
Juice
Orange
A
215 ± 6 (40)
558 ± 5 (200)
S20
Juice
Orange
B
466 ± 7 (40)
331 ± 5 (40)
S21a
Juice
Grape
A
334 ± 1 (25)
2855 ± 27 (750)
S22a
Juice
Grape
B
990 ± 3 (25)
3296 ± 18 (2000)
aThese samples were analyzed after their microwave-assisted acid digestion. bDilution factors applied to the samples are between parentheses. The results (μg L−1) are expressed as mean ± standard deviation of two independent determinations.