A total of 51 green bacon belly pieces with an average weight of
1.2 ± 0.3 kg from commercially available Taihu Duroc York
crossbreed pigs weighting 90–110 kg were purchased from a local
supermarket. After 24 h of chilling at 4 C in a refrigerator, three of
them were randomly sampled and analysed as a control of the raw
material, the remaining green bacons were divided into four
groups, each containing 12 pieces