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Extraction of bioactives is a cause of structural changes in these molecules. In this work, the bioactivity of commercial natural β-carotenes, one softly extracted without heat-assistance from Momordica cochinchinensis (BCG), one conventionally extracted from another natural source (BCC), and a synthetic one (BCS), was assessed during an additional heat-treatment mimicking formulation. Their antioxidant...
Momordica cochinchinensis (gac) is a plant rich in lycopene. This pigment tends to solubilize in oil and get damaged during extraction. The impact of heating on cis-isomerization of oil-free lycopene in hexane was studied at 50 and 80°C during 240min with UV–Vis spectrometry, DAD–HPLC and TEAC test. The initial all-trans-form isomerized to the 13-cis isomer more rapidly at 80°C. After this treatment,...
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