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In plant matrices, folates exist largely as folylpoly-γ-glutamates requiring deglutamylation to monoglutamates prior to absorption, which might impair dietary folate bioavailability. This study investigated folylpoly-γ-glutamate stability and conversions in broccoli tissue during thermal (25–90°C, 30min) and high-pressure treatments (0.1–600MPa, 25–45°C, 30min) after vacuum packaging. Folates were...
Processing (i.e. pressure and temperature) stability of l-ascorbic acid (l-AA) and/or [6S]-5-methy-ltetrahydrofolate ([6S]-5-CH3-H4folate) was studied on a kinetic basis using different vitamin and initial oxygen concentrations. Stability of both folate and l-AA was enhanced by increasing the vitamin concentration or by decreasing the oxygen concentration. Based on this study, it was concluded that...
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