Paper Information

Title: 

OPTIMIZATION OF OSMO-VACUUM DRYING OF PEAR USING RESPONSE SURFACE METHODOLOGY

Type: PAPER
Author(s): AMIRIPOUR MOJTABA,HABIBI NAJAFI MOHAMMAD BAGHER,MOHEBBI MOHEBBAT,EMADI BAGHER
 
 
 
Name of Seminar: NATIONAL VACUUM CONFERENCE IRAN
Type of Seminar:  CONFERENCE
Sponsor:  PAZHOHESHKADE OLOM VA SANAYE GHAZAEE
Date:  2012Volume 5
 
 
Abstract: 

RESPONSE SURFACE METHODOLOGY WAS USED FOR OPTIMIZATION OF OSMO-VACUUM DRYING OF PEAR. THE EFFECT OF DRYING TEMPERATURE(50-70OC), VACUUM PRESSURE(10-30 KPA) AND DRYING TIME(180-300 MIN) AS INDEPENDENT VARIABLES WERE INVESTIGATED ON THE MOISTURE CONTENT, SHRINKAGE AND REHYDRATION RATIO OF PEAR SLICES AS DEPENDENT VARIABLES(RESPONSES). THE OPTIMUM OSMO-VACUUM DRYING CONDITIONS FOR MINIMUM MOISTURE CONTENT AND SHRINKAGE AND MAXIMUM REHYDRATION RATIO WERE 56OC DRYING TEMPERATURE, 10 KPA VACUUM PRESSURE AND 250 MIN DRYING TIME. AT THIS OPTIMUM CONDITIONS MOISTURE CONTENT, SHRINKAGE AND REHYDRATION RATIO WERE FOUND TO BE 23%, 67% AND 1.45, RESPECTIVELY.

 
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