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Comparison of conventional extraction under reflux conditions and microwave-assisted extraction of oil from popcorn.

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  • 1Bioresource Engineering, McGill University, 21 111 Lakeshore Road, Macdonald Campus, Ste-Anne-de-Bellevue, QC, Canada, H9X 3V9.


Popcorn offers an environmentally friendly alternative to the commercial synthetic loose-fill packing materials. Popcorn could be used for cushioning purposes if the oil is extracted after the popping process. Conventional and microwave-assisted extraction methods were used for oil extraction from whole and ground, popped and unpopped kernels. The conventional extraction method achieved 68.5% oil recovery from whole popped kernels. However, whole unpopped kernels were not efficiently de-oiled with either of the methods. Extraction of oil from popped kernels is recommended; corn varieties with higher starch content and lower oil content should be used.

[PubMed - indexed for MEDLINE]
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