Description
Heating pistachios to create a stable and smooth paste.
Technical
Pistachio pasteurization involves heating pistachios to a high temperature, typically around 160°C, to create a stable and smooth paste. The process requires precise control over the temperature and heating time.
Culinary Significance
Pistachio pasteurization is a key step in creating traditional Italian desserts, such as pistachio gelato or pistachio cake.
Science
Primary Reaction
Denaturation of proteins and gelatinization of starch
Parameters
Temperature
75°C optimal
60°C to 90°C range
Temperature range for effective pasteurization
Time
1 hour
30 minutes – 2 hours
Equipment
Industrial blenderHeat exchangerSieve