Fig. 3 shows the influence of polarity on RC of TP. Broccoli juice treated
with pulses in bipolar mode led to greater TP content than those
processed using monopolar mode pulses at any electric field strength
and treatment time condition. For example, when HIPEF treatment in
bipolar mode (at 25 kV/cm for 1250 μs) was applied to broccoli juice,
the RC of TP was 96.1 ± 2.8%, whereas the juice treated in monopolar
mode exhibited a RC of 90.8 ± 1.7%. Similar results were observed by
Odriozola-Serrano, Soliva-Fortuny, & Martín-Belloso (2009), who
reported higher anthocyanin (a group of plant phenolic compounds) retention
in strawberry juice after HIPEF treatments applied at 35 kV/cm
for 1000 μs, in bipolar mode in comparison with monopolar mode.
Fig. 3 shows the influence of polarity on RC of TP. Broccoli juice treatedwith pulses in bipolar mode led to greater TP content than thoseprocessed using monopolar mode pulses at any electric field strengthand treatment time condition. For example, when HIPEF treatment inbipolar mode (at 25 kV/cm for 1250 μs) was applied to broccoli juice,the RC of TP was 96.1 ± 2.8%, whereas the juice treated in monopolarmode exhibited a RC of 90.8 ± 1.7%. Similar results were observed byOdriozola-Serrano, Soliva-Fortuny, & Martín-Belloso (2009), whoreported higher anthocyanin (a group of plant phenolic compounds) retentionin strawberry juice after HIPEF treatments applied at 35 kV/cmfor 1000 μs, in bipolar mode in comparison with monopolar mode.
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