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| Oxidation stability and shelf life prediction of refined gardenia fruit oil |
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| KeyWord:gardenia fruit oil oxidation stability oxidation kinetics model shelf life |
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| Abstract: |
| The effect of different storage conditions(light, oxygen and temperature) on the peroxide value of refined gardenia fruit oil was analyzed, and the oxidation kinetics model of the refined gardenia fruit oil was established to predict the shelf life. The results showed that the oxidation stability of refined gardenia fruit oil was affected by light, oxygen and temperature. When the refined gardenia fruit oil was stored under the conditions of avoiding light, sealing and low temperature, the growth rate of peroxide value was effectively reduced and the storage time prolonged. The oxidation of the refined gardenia fruit oil followed the first order reaction kinetics. The model obtained was C=C0 ·exp\[exp(-4 495.1/T+11.69)·t\]. The predictive shelf lives of the refined gardenia fruit oils in sealed and light proof conditions at 25, 20?℃ and 15?℃ were 95, 123 d and 160 d respectively. |
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