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A rational dosage regimen considers a drug's pharmacokinetics, including its absorption, distribution, metabolism, and elimination from the body. By understanding these factors, the appropriate dosage can be determined, and the dosing schedule can be designed to achieve and maintain the desired therapeutic effect while minimizing adverse effects.
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Determining the optimal dose size and dosing frequency in pharmacotherapy is crucial for achieving therapeutic effectiveness while minimizing adverse effects. This article explores the methodologies employed in determining these parameters, focusing on their significance and interplay to tailor dosing regimens.Dose Size: Dose size refers to the amount of a drug administered in a single dose. It is determined based on the drug's pharmacodynamics and pharmacokinetics properties and...
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Dosage Interval and Administration Route: Determination Methods

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Optimization Function for Determining Optimal Dose Range for Beef and Seed Potato Irradiation.

Elena Kozlova1, Ulyana Bliznyuk2,3, Alexander Chernyaev2,3

  • 1Department of Medical and Biological Physics, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia.

Foods (Basel, Switzerland)
|December 17, 2024
PubMed
Summary

This study introduces a new method for determining optimal irradiation doses for food products. It ensures pathogen reduction while preserving food quality, with wider ranges for beef than for seed potatoes.

Keywords:
X-raysalbumin native structurebacteriaelectron beamfood irradiationmyoglobinnaturally infected seed potato tubersphytopathogentenderloin beef

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Area of Science:

  • Food Science
  • Radiation Biology
  • Biochemistry

Background:

  • Food irradiation is a method for pathogen reduction.
  • Optimizing irradiation doses is crucial for balancing microbial inactivation and product quality.
  • Current methods lack a universal approach for diverse food matrices.

Purpose of the Study:

  • To develop a universal optimization function for determining ideal irradiation dose ranges for plant and animal products.
  • To maximize pathogen suppression while preserving molecular and biological integrity.
  • To compare optimal dose ranges for animal (beef) and plant (seed potato) products.

Main Methods:

  • Utilized an optimization function based on irradiation dose uniformity, pathogen hit probability, and radiobiological sensitivity.
  • Quantitatively assessed myoglobin oxidation in beef using spectrophotometry.
  • Analyzed potential damage to albumin's native structure in beef using high-performance liquid chromatography-mass spectrometry (HPLC-MS).

Main Results:

  • Established dose-dependent patterns for myoglobin oxidation and albumin damage in beef.
  • Determined a wider optimal irradiation dose range for beef compared to seed potato tubers.
  • Found that seed potatoes require less uniform irradiation due to superficial pathogen distribution.

Conclusions:

  • The developed approach provides a universally applicable method for optimizing food irradiation.
  • Irradiation dose ranges must consider product type and pathogen location for efficacy and quality preservation.
  • Spectrophotometry and HPLC-MS are effective tools for quantitative assessment in radiation processing studies.