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Effect of combined high pressure and heat treatment on the reduction of peroxidase and polyphenoloxidase activity in red grapes.

IR@CSIR-CFTRI

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Relation http://ir.cftri.com/3861/
 
Title Effect of combined high pressure and heat treatment on the reduction of peroxidase and polyphenoloxidase activity in red grapes.
 
Creator Rastogi, N. K.
Eshtigahi, M. N.
Knorr, D.
 
Subject 05 Enzymes
05 Grapes
06 Preservation and Storage
 
Description The effects of high hydrostatic pressure treatment (100 to 600 MPa) coupled with heat
treatment (0 to 60 °C) on the inactivation of peroxidase (POD) and polyphenoloxidase (PPO)
in red grapes (Vitus viniferd) have been studied. The examination of the complex interactions
between pressure and temperature has been carried out using a central composite rotatable
design (CCRD). The response surfaces show that the lowest activity of POD (55.75%) and
PPO (41.86%) was found to be at 60 °C at 600 MPa and 100 MPa, respectively.
 
Date 1999
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://ir.cftri.com/3861/1/Food%20Biotechnology%201999%2013%282%29%20195.pdf
Rastogi, N. K. and Eshtigahi, M. N. and Knorr, D. (1999) Effect of combined high pressure and heat treatment on the reduction of peroxidase and polyphenoloxidase activity in red grapes. Food Biotechnology, 13 (2). pp. 195-208.