Effect of argan kernel storage conditions on argan oil quality
2010
In the present study, we investigated the relationships between storage conditions of argan kernels and argan oil quality over a 1-year period. Argan kernels were packaged in black or white bags. Kernels in black bags were stored at room temperature (RT) while kernels in white bags were stored either at RT or at 4°C. Quality parameters periodically monitored over the 12 months were peroxide and acid value, oil yield, moisture content, UV absorption, and fatty acid composition. Whereas light had no impact on argan oil quality, only argan kernel storage at 4°C allowed a perfect preservation of argan oil quality after 1 year.Practical applications: In the present study we have established that solar light does not damage argan kernels in such a way that it could alter argan oil quality, and that argan kernels can be stored for up to 1 year at 4°C without alteration of argan oil quality. If stored at RT, argan kernels should be used within 10 months to prepare edible argan oil.
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