ArticleFoods (Basel, Switzerland)2024
Antioxidant Activity of Aqueous Extracts Obtained from By-Products of Grape, Olive, Tomato, Lemon, Red Pepper and Pomegranate.
Article in Foods (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Microstructure-driven modulation of polyphenol stability and antidiabetic activity in alginate microspheres loaded with pomegranate and tomato by-products.Journal of the science of food and agriculture · 2026Article
- From Waste to Beauty: Agri-Food By-Products as Sources of Antioxidant Compounds for Cosmeceutical Applications.Antioxidants (Basel, Switzerland) · 2026Review
- Sustainable valorization of citrus pomace waste: biochar production and in vitro bioactivities.Veterinary research communications · 2026Article
- Influence of Ultrasound-Assisted and Supercritical COMolecules (Basel, Switzerland) · 2026Article
- Functional Characterisation of Rosemary-Enhanced Alginate Films for Strawberry Preservation.International journal of food science · 2026Article
- Antioxidant Properties and Antinutritional Components of Flowers from Five Pumpkin Species.Antioxidants (Basel, Switzerland) · 2025Article
- From Waste to Resource: Chemical Characterization of Olive Oil Industry By-Products for Sustainable Applications.Molecules (Basel, Switzerland) · 2025Article
- Integral Valorisation of Agri-Food By-Products Through the Production of Food Ingredients Using High-Pressure Thermal Treatments.Foods (Basel, Switzerland) · 2025Article
- Valorization Pathway for Grape Pruning and Pomace Waste from the Wine Industry: Energy and Non-Energy Applications.Molecules (Basel, Switzerland) · 2025Article
- Phenolic Acids from Fruit By-Products as Therapeutic Agents for Metabolic Syndrome: A Review.International journal of molecular sciences · 2025Review
- Ultrasound-assisted metabolite detection in different extraction processes of Bletilla striata and bitter metabolite detection.Ultrasonics sonochemistry · 2025Article
- Multi-Analytical Approach for the Acid-Base, Thermal and Surface Properties Assessment of Waste Biomasses.Molecules (Basel, Switzerland) · 2024Article
- Enhancing Bioactivity through the Transfer of the 2-(Hydroxymethoxy)Vinyl Moiety: Application in the Modification of Tyrosol and Hinokitiol.Molecules (Basel, Switzerland) · 2024Article
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Authors and funding
3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The aim of this work was to study the antioxidant potential of aqueous extracts obtained from different by-products. The effectiveness of these extracts was compared with that of rosemary extract. Total phenol carotenoid and vitamin C contents, as well as in vitro antioxidant activity, were assessed. Phenol content was positively correlated with in vitro antioxidant activity in extracts, while carotenoids showed a less clear relationship. Vitamin C was associated with antioxidant activity in lemon and pepper pomace extracts. Extracts from olive, grape, and lemon by-products displayed the highest antioxidant activity (radical scavenging activity), this being similar to the activity of rosemary extracts. Moreover, the phenolic profile of the extracts was analyzed, revealing diverse phenolic compounds. Rosemary extracts contained the highest variety and quantity of phenolic compounds, while olive pomace extracts were rich in hydroxytyrosol and 4-hydroxybenzoic acid. Lemon and pepper extracts contained high amounts of tyrosol, and tomato extracts had abundant epicatechin. The PCA analysis distinguished extracts based on in vitro antioxidant activity, phenol, carotenoid, and vitamin C content, along with their phenolic compound profiles. This study emphasizes the capacity of aqueous extract by-products as valuable sources of antioxidants and highlights the importance of understanding their bioactive components.
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