Different preservation techniques like filtration, increasing the
sugar and total solid content, pH adjustment, ultrasonic treatments,
concentration by reverse osmosis, spray drying, the addition
of preservatives, etc., have been investigated either alone or
in various combinations
Different preservation techniques like filtration, increasing thesugar and total solid content, pH adjustment, ultrasonic treatments,concentration by reverse osmosis, spray drying, the additionof preservatives, etc., have been investigated either alone orin various combinations
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