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Related Experiment Video

Updated: Sep 18, 2025

Author Spotlight: Process Development for the Spray-Drying of Probiotic Bacteria and Evaluation of the Product Quality
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Effect of Thermal Processing by Spray Drying on Key Ginger Compounds.

Alina Warren-Walker1, Manfred Beckmann1, Alison Watson1

  • 1Department of Life Sciences, Aberystwyth University, Aberystwyth, Wales SY23 3FL, UK.

Metabolites
|June 25, 2025
PubMed
Summary
This summary is machine-generated.

Spray drying ginger with specific carriers like CO03 enhances bioactive shogaols, while natural carriers such as inulin preserve antioxidant capacity. Carrier choice impacts ginger powder

Keywords:
bioactive compoundscarrier agentsfunctional foodsgingergingerolsmetabolomicsshogaolsspray dryingultra-processed

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Area of Science:

  • Food Science
  • Nutraceutical Chemistry
  • Process Engineering

Background:

  • Spray drying is crucial for food and nutraceutical industries, converting liquids into stable powders.
  • Ginger (Zingiber officinale) contains beneficial compounds like gingerols and shogaols.
  • Understanding spray drying's impact on ginger's chemical profile is vital for functional product development.

Purpose of the Study:

  • To investigate how spray drying affects the chemical composition of ginger extracts.
  • To analyze the transformation of gingerols into shogaols and related compounds under different carrier conditions.
  • To evaluate the influence of various carrier agents on the bioactivity and chemical profile of spray-dried ginger.

Main Methods:

  • Spray drying of fresh ginger juice with carriers: Clear Gum (CO03), pea protein, and inulin.
  • High-Resolution Flow Infusion Electrospray Ionisation Mass Spectrometry (HR-FIE-MS) for chemical fingerprinting.
  • Tentative identification of key bioactive compounds and assessment of their relative intensities.

Main Results:

  • CO03 carrier increased shogaol analogues, gingerenone B, and oxidation products.
  • Pea protein and inulin resulted in lower intensities of these bioactives, indicating less thermal transformation.
  • Spray drying without a carrier yielded shogaol-dominant profiles but poor powder properties.
  • Antioxidant capacity decreased post-spray drying, while total polyphenols were better preserved, especially with inulin.

Conclusions:

  • Carrier selection significantly influences the chemical profile and functional properties of spray-dried ginger.
  • CO03 promotes shogaol formation but is ultra-processed; natural carriers (inulin, pea protein) better preserve bioactivity but induce fewer metabolite changes.
  • Optimizing carrier choice is essential for balancing bioactivity, stability, and consumer acceptance in functional ginger products.