ArticleAntioxidants (Basel, Switzerland)2025
Effect of Microparticle Crystallinity and Food Matrix on the Release Profile and Antioxidant Activity of Encapsulated Gallic and Ellagic Acids During Simulated In Vitro Intestinal Digestion.
Article in Antioxidants (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Beyond Sensory Properties: Molecular Interactions of Antioxidant Flavour-Active Polyphenols Across the Food-Oral-Gut Axis.Antioxidants (Basel, Switzerland) · 2026Review
- Nano Engineered Chitosan-Based Delivery System for Vonoprazan Fumarate for Enhanced Bioavailability: Fabrication and Evaluation.International journal of nanomedicine · 2026Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
The development of phenolic-based functional food ingredients is of growing interest due to their beneficial effects on human health. This study investigated the combined influence of microparticle physical state, phenolic compound type (gallic acid, GA; and ellagic acid, EA), and model food matrix on the release profile, bioaccessibility, and antioxidant activity of GA and EA during in vitro gastrointestinal digestion. GA and EA were encapsulated with inulin (In) by spray-drying. By varying formulation and operational conditions, both semicrystalline (GA-InSc, EA-InSc) and amorphous (GA-InA, EA-InA) microparticles were obtained. Microparticles were characterized for crystallinity, encapsulation efficiency, particle size, morphology, and release profile during in vitro simulated gastrointestinal digestion following the INFOGEST method. The physical state of microparticles and type of phenolic compound critically influenced release profile, bioaccessibility, and antioxidant activity during digestion. GA, being more water-soluble, was rapidly released, reaching nearly 100% in the gastric phase, whereas EA exhibited limited gastric release and higher intestinal release, particularly in EA-InSc. Incorporation into different food matrices further modulated these effects; carbohydrate- and blend-based matrices improved phenolic release and antioxidant activity for both compounds. These findings highlight the importance of microparticle formulation, phenolic characteristics, and matrix interactions in designing functional food ingredients with optimized health benefits.
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Registered trials
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