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In this work a process for obtaining high vitamin E and carotenoid yields by supercritical carbon dioxide (SC-CO2) extraction from pumpkin (Cucurbita moschata Duch.) is described. The results show that the use of a vacuum oven-dried [residual moisture (∼8%)] and milled (70mesh sieve) pumpkin flesh matrix increased SC-CO2 extraction yields of total vitamin E and carotenoids of ∼12.0- and ∼8.5-fold,...
Here we describe the encapsulation in α-cyclodextrins (α-CDs) of wheat bran, pumpkin and tomato oleoresins, extracted by supercritical carbon dioxide, to obtain freeze-dried powders useful as ready-to-mix ingredients for novel functional food formulation. The stability of tocochromanols, carotenoids and fatty acids in the oleoresin/α-CD complexes, compared to the corresponding free oleoresins, was...
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