Food Science

Download Adapting high hydrostatic pressure for food processing by Tatiana Koutchma PDF

By Tatiana Koutchma

Adapting excessive Hydrostatic strain (HPP) for nutrients Processing Operations offers advertisement advantages of HPP know-how for particular processing operations within the nutrition undefined, together with uncooked and ready-to-eat (RTE) meat processing, dairy and seafood items, beverages and drinks, and different rising techniques.

The e-book offers excessive hydrostatic strain processing (HPP) for therapy of other teams of uncooked and entire items, targeting particular pressure-induced results that may result in various organic affects, and the knowledge worthy for specifying HPP strategy and kit. It additionally discusses phenomena of compression heating, the HPP in-container precept, requisites for plastic fabrics, components affecting efficacy of HPP remedies, and to be had advertisement platforms. also, the booklet presents up-to-date info at the regulatory prestige of HPP expertise all over the world.

This booklet is a perfect concise source for meals strategy engineers, nutrients technologists, product builders, federal and nation regulators, apparatus brands, graduate scholars, and educators serious about learn and development.

  • Includes case experiences for HPP therapy of commercially produced meals with information about diverse HPP processing equipment
  • Gives examples of particular functions for meat and chicken items remedies, clean juices and drinks, and seafood
  • Covers strength discount rates, environmental elements of HPP expertise, and regulatory status

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Extra resources for Adapting high hydrostatic pressure for food processing operations

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Microorganism Substrate Time Parameter Pressure Other Re Ro 600 T=108°C al. C. 796 C. 556 C. sporogenes Clostridium botulinum type Buffer E Alaska C. botulinum Crab Type E Beluga meat C. 263 758 T=35°C Re al. 681 758 T=35°C Re al. 35 S. 7 S. 7 S. 4°C Pa al. htm However, a phenomenon that is common to HPP is the persistence of pressure-resistant microorganisms during treatment. ” The existence of this subpopulation of pressure-resistant microorganisms is poorly understood. The “tailing effect” may be due to inherent phenotype variation in pressure resistance among the target microorganisms; however, the substrate and growth conditions may also have an influence.

In order to inactivate bacterial spores during HPP-assisted sterilization, a combination of pressure at levels higher than 64 700 MPa and elevated initial temperature (>80°C) seems to be a promising improvement to the traditional heat sterilization of low acid foods. Combining pressure and heat treatments can result in a sterilization of food product at reduced thermal load and consequently result in higher nutritional quality. The US FDA was enabled to certify a PATS process of low acid foods in 2009.

1 HPP temperature and pressure cycles. When describing the HPP process, the proper documentation of HPP conditions is important and should include the following descriptors. ” 39 Pressure come-up time (CUT): The time required to increase the pressure of the sample from atmospheric pressure to the target process pressure. The CUT depends upon the rate of compression of the sample and pressure-transmitting fluid and is proportional to the power of the pump and flow rate, size of intensifier (gpm), restrictions of high-pressure tubing and valve loss, and the target process pressure.

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