Abstract
The effects of packaging container on quality characteristics of peanut oil were investigated in this paper. Peanut oils were stored in two containers respectively: folding Polyethylene terephthalate (PET) bottles and common PET bottles. Peroxide value (PV), tocopherol and fatty acid composition of peanut oils were determined after 9 weeks of storage. Results showed that the PV of peanut oils in folding PET containers was significantly less than that of common PET bottle during storage period. The decrease extent of unsaturated and saturated fatty acid of peanut oils in folding PET containers was less than that of common PET sample. The degradation speed of fatty acid could be restrained by folding PET container. α-, and δ-tocopherol losses of peanut oil in the folding PET container were significantly reduced.
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