Bioactive Compound Extraction from Eggplant Cultivars
Summary
Eggplant (Solanum melongena L.) is prized as a functional food owing to its rich complement of bioactive compounds, notably anthocyanins, phenolic acids, glycoalkaloids and other antioxidants. The extraction of these molecules from diverse cultivars utilises an array of techniques including conventional solvent methods, enzyme-assisted protocols, ultrasound- and microwave-assisted procedures, supercritical fluid extraction and emerging integrated valorisation strategies. Genetic variation among cultivars and the choice of plant matrix—peel, pulp or by-product streams—strongly influence yield and compound profile. Optimising extraction parameters such as solvent composition, temperature, time, enzyme concentration and pressure enables maximised recovery of target compounds while preserving bioactivity. The resultant extracts find applications as natural colourants, functional ingredients and nutraceutical supplements, contributing to waste-to-resource approaches and sustainable processing. A clear understanding of process design, cultivar selection and downstream stabilisation is fundamental to harnessing eggplant’s global potential in food, pharmaceutical and cosmeceutical industries.
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Bioactive Compound Extraction from Eggplant Cultivars publication trend
The graph below shows the total number of articles in bioactive compound extraction from eggplant cultivars across all publications each year (not limited to Nature Index journals).
Technical terms
Anthocyanins: Water-soluble flavonoid pigments responsible for red, purple and blue colours, with antioxidant properties.
Phenolic compounds: Secondary plant metabolites containing one or more hydroxylated aromatic rings, contributing to antioxidant activity.
Enzyme-assisted extraction: A method employing hydrolytic enzymes to break cell walls and enhance release of bioactive compounds.
Response surface methodology: A statistical technique used to model and optimise multivariable processes to achieve desired responses.
Antioxidant capacity: The ability of a sample to neutralise free radicals, commonly measured by assays such as DPPH and FRAP.
References
- Optimization of enzyme-assisted extraction of anthocyanins from eggplant (Solanum melongena L.) peel. Food Chemistry X (2023).
- A Comprehensive Evaluation of Nutritional Quality and Antioxidant Capacity of Different Chinese Eggplant Varieties Based on Multivariate Statistical Analysis. Antioxidants (2024).
- Bioactive compounds from by-products of eggplant: Functional properties, potential applications and advances in valorization methods. Trends in Food Science & Technology (2021).
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