Magali Monteiro da Silva

CAPROLACTAMA EM EMBALAGEM DE
QUEIJOS E PRODUTOS CÁRNEOS
Table 1. Caprolactam levels (mg/kg) in multilayer PA-6
films used for meat foodstuffs.
Meat
brands
0KGy
Irradiation doses
3KGy
7KGy
Brand 1 * 2440.2 bC ±102.8 2682.9 bB ±68.2 3362.5 aA ±44.9
Brand 2 * 2076.0 cC ±46.6 2370.1 cB ±12.4 2724.7 bA ±87.8
Brand 3 * 2413.9 bB ±64.1 2394.1 cB ±41.8 2656.6 bA ±115.9
Brand 4 * 2136.1 cA ±13.2 2162.9 dA ±16.6 2221.4 cA ±37.1
Brand 5 * 2455.7 bC ±29.3 3012.1 aA ±20.3 2611.9 bB ±20.4
Brand 6 * 2773.3 aA ±38.9 2530.2 bB ±84.1 2229.7 cC ±57.9
Brand 7 * 2144.4 cB ±42.5 2216.6 cA ±50.9 1819.7 dC ±27.5
Brand 8 * 2054.5 cB ±0.9 2263.4 cA ±102.6 2342.9 cA ±63.4
Mean of four replicates of the found value ± standard deviation (SD).
Means within the same columns followed by the same small letters are
not significantly different (p≤0.05).
Means within the same lines followed by the same capital letters are
not significantly different (p≤0.05).
* Multilayer PA-6 film containing a minimum of 67% of homopolymer,
20% of copolymer and masterbatch of additives, all from different
companies
Table 2. Caprolactam levels (mg/kg) in multilayer PA-6
films for cheese.
Brand Composition
Thickness
(µm)
Means within the same columns followed by the same small letters are not
significantly different at the Tukey test (p>0.05).
Means within the same lines followed by the same capital letters are not
significantly different at the Tukey test (p>0.05).
LOQ = 32µg/g, LOD = 0,2 ng
Caprolactam level (mg/kg)
0 kGy 12 kGy
1 PA/Adhesive/PA/Adhesive/Sealant layer 60 1816.3 cA ± 6.7 1840.9 bA ± 38.1
2 PA/Adhesive/PA/Adhesive/Sealant layer 55 3015.6 aA ± 59.3 2507.6 aB ± 167.4
3 PA/Adhesive/PA/Adhesive/Sealant layer 60 2450.7 bA ± 35.7 1886.9 bB ± 75.8
4 EVA/Adhesive/PA/Adhesive/EVA 65