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Related Experiment Video

Updated: Jan 20, 2026

A Rapid, Simple, and Standardized Homogenization Method to Prepare Antigen/Adjuvant Emulsions for Inducing Experimental Autoimmune Encephalomyelitis
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Interactions between Parenteral Lipid Emulsions and Container Surfaces.

Thomas Gonyon1, Anthony E Tomaso, Priyanka Kotha

  • 1Baxter Healthcare, Round Lake, IL.

PDA Journal of Pharmaceutical Science and Technology
|June 12, 2013
PubMed
Summary
This summary is machine-generated.

Ethylene vinyl acetate (EVA) containers absorb more triglycerides from lipid emulsions than glass containers, leading to a significant reduction in large fat globules. This container uptake impacts emulsion stability in total nutrient admixtures.

Keywords:
ContainerGlobule size distributionLipid emulsionLiquid chromatographyTotal nutrient admixture

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Area of Science:

  • Parenteral nutrition
  • Lipid emulsion stability
  • Materials science in healthcare

Background:

  • Lipid emulsions are crucial components of total nutrient admixtures (TNAs) for parenteral nutrition.
  • The interaction between lipid emulsions and storage containers can affect TNA stability and efficacy.
  • Understanding container-emulsion interactions is vital for optimizing TNA formulation and administration.

Purpose of the Study:

  • To investigate the relationship between changes in emulsion globule size distribution and the uptake of lipid emulsions by different container types.
  • To quantify triglyceride adsorption onto glass and ethylene vinyl acetate (EVA) containers from a TNA.

Main Methods:

  • Prepared a TNA using 20% ClinOleic® lipid emulsion.
  • Stored the TNA in glass (borosilicate) and EVA plastic containers for 24 hours.
  • Monitored large globule size distribution (PFAT5) and measured triglyceride uptake via liquid chromatography and gravimetry.

Main Results:

  • EVA containers showed a 75% reduction in PFAT5 compared to a marginal decrease in glass containers.
  • Triglyceride levels on EVA surfaces increased over time, significantly higher than in glass containers.
  • Gravimetric analysis confirmed mass gain in EVA containers due to lipid absorption.

Conclusions:

  • Time-dependent triglyceride absorption by EVA containers reduces large fat globules in TNAs.
  • EVA containers exhibit greater lipid uptake than glass containers.
  • Preferential absorption of larger globules by containers contributes to TNA instability.