Using peroxide (POV) value, the soybean oil was poured into a glass bottle, and a sealing film (PPF film, PPF-TP0 film) was used. 10) Take a sample of unpackaged film as a control, then seal it with a rope and store it in a 50°C oven for 30 days. The sample is analyzed for peroxide (POV), which is measured 3 times every 6 days according to Firestone(2009), and the result is average.
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