In part, some values of
treated orange juice were significantly different from those of untreated
orange juice. L* value decreased slightly at pH 2.5. L* and a*
values were affected at pH 3.0 and pH values decreased slightly
when pH 3.5 juice was treated. Finally, pH and Brix values were
affected by ohmic heating at pH 4.5. However, overall quality indicators
were not severely degraded by ohmic heating at any pH
level.