Abstract
High Hydrostatic Pressure (HHP) is a green extraction method, which finds
several uses in different branches of science. HHP is a novel non-thermal technique
mostly used in food processing. The “high pressure” in HHP states an ultra-high cold
isostatic hydraulic pressure, which processes basically at low or mild process
temperatures (<45 °C) ranging between 100 and 800 MPa. In some applications, this
pressure can extend up to 1000 MPa. In food processing, there are several purposes for
using HHP, such as sterilizing, coagulating, and gelatinizing food samples.
Alternatively, HHP has many remarkable uses in some branches of science besides
food processing. This chapter aims to present the capabilities of HHP as a green
extraction technique in the food and pharmaceutical industries.
Keywords: Extraction, HHP, High hydrostatic pressure, UHP, Ultra-high pressure.
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