. As showed in Table 1,
adding nano-CaCO3 particles also decreased transmission rate of O2
and CO2 about 15% and 12% in our study. Such properties of nanoCaCO3-LDPE
packaging may contribute to the rapid formation of
gas environment with lower O2 concentration and higher CO2
concentration as observed in Fig. 1. Hosseinkhanli, Sharif, Aalaie,
Khalkhali, and Akhlaghi (2013) also found that the addition of
organoclay decreased the permeability of oxygen molecules in the
LDPE. As depicted in Fig. 1, the O2 concentration of nano-CaCO3-
LDPE packaging fresh-cut yam was significantly lower than that of
LDPE packaging, while the CO2 concentration was much higher
than LDPE packaging. Through hindering the penetration of gas
molecules and increasing their average path length, the high aspect
ratio of the added particles might develop a permeation barrier in
. As showed in Table 1,adding nano-CaCO3 particles also decreased transmission rate of O2and CO2 about 15% and 12% in our study. Such properties of nanoCaCO3-LDPEpackaging may contribute to the rapid formation ofgas environment with lower O2 concentration and higher CO2concentration as observed in Fig. 1. Hosseinkhanli, Sharif, Aalaie,Khalkhali, and Akhlaghi (2013) also found that the addition oforganoclay decreased the permeability of oxygen molecules in theLDPE. As depicted in Fig. 1, the O2 concentration of nano-CaCO3-LDPE packaging fresh-cut yam was significantly lower than that ofLDPE packaging, while the CO2 concentration was much higherthan LDPE packaging. Through hindering the penetration of gasmolecules and increasing their average path length, the high aspectratio of the added particles might develop a permeation barrier in
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