What does this research mean for the field?

Spray drying with α-cyclodextrin effectively produces stable, antioxidant-rich, and antimicrobial vinegar powders from pomegranate peel byproducts that maintain their physicochemical properties over 6 months of storage. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the physicochemical stability, antioxidant capacity, antimicrobial activity, and culinary acceptability of spray-dried vinegar powders enriched with pomegranate peel extract over six months of storage.

August 30, 2026PlantsOpen Access

Storage Stability and Functional Properties of Pomegranate Peel Extract-Enriched Vinegar Powders

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Authors

MMMaría de los Ángeles Martínez-SánchezUniversidad Politécnica de Cartagena GMGinés Benito Martínez–HernándezUniversidad Politécnica de Cartagena ALAntonio López–GómezUniversidad Politécnica de Cartagena

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Implication

Experimental evaluation demonstrates high stability and antioxidant retention in spray-dried pomegranate vinegar powders, highlighting a viable method for agro-industrial byproduct upcycling.

Key Points

To evaluate the physicochemical stability, antioxidant capacity, antimicrobial activity, and culinary acceptability of spray-dried vinegar powders enriched with pomegranate peel extract over six months of storage.
Extracted bioactive compounds from pomegranate peels via ultrasound-assisted extraction using vinegar and α-cyclodextrin, followed by spray drying into non-buffered and buffered powder formulations.
Stored enriched formulations alongside commercial buffered powders for 6 months at 22 °C to track morphology, moisture content, water activity, phenolic levels, and antioxidant retention.
Evaluated in vitro antimicrobial activity against Listeria monocytogenes and Salmonella enterica, as well as preliminary sensory acceptability in a béchamel croquette model.
Enriched powders retained low moisture levels (≤1.2%) over 6 months of storage, outperforming commercial powders that absorbed moisture up to 3.0–3.9%.
Formulations enriched with peel extract demonstrated high total phenolic content (5.3–27.9 vs. 0.1–0.3 mg GAE/gpowder) and DPPH antioxidant activity (37.1–279.3 vs. 2.3–4.1 µmol TE/gpowder) that persisted across the storage duration.
Buffered enriched powders successfully inhibited Listeria monocytogenes in vitro, while non-buffered powders demonstrated antimicrobial action against Salmonella enterica.

Cite This Study

Martínez-Sánchez et al. (2026) studied this question.

synapsesocial.com/papers/6a93f0b06c1a8fb52e79d08e https://doi.org/10.3390/plants15172630

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Implication

Experimental evaluation demonstrates high stability and antioxidant retention in spray-dried pomegranate vinegar powders, highlighting a viable method for agro-industrial byproduct upcycling.

Storage Stability and Functional Properties of Pomegranate Peel Extract-Enriched Vinegar Powders

Discussion

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Implication

Key Points

Cite This Study

Storage Stability and Functional Properties of Pomegranate Peel Extract-Enriched Vinegar Powders

Discussion

Member takes

Implication

Key Points

Cite This Study

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