Short Communication - (2025) Volume 11, Issue 5
Received: 01-Sep-2025, Manuscript No. jefc-26-188301;
Editor assigned: 03-Sep-2025, Pre QC No. P-188301;
Reviewed: 17-Sep-2025, QC No. Q-188301;
Revised: 22-Sep-2025, Manuscript No. R-188301;
Published:
29-Sep-2025
, DOI: 10.37421/2472-0542.2025.11.562
Citation: Silva, Victor Hugo. ”Carotenoid Stability and Analysis in Vegetable Foods.” J Exp Food Chem 11 (2025):562.
Copyright: © 2025 Silva H. Victor This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.
The accurate determination of carotenoid content in food matrices is of paramount importance for the food industry, underpinning quality control and nutritional analysis. A robust methodology is essential for ensuring the reliability of these assessments. This involves a meticulous approach to sample preparation, the judicious selection of extraction techniques to maximize efficiency, and the application of advanced analytical methods such as High-Performance Liquid Chromatography (HPLC) coupled with appropriate detectors [1].
The impact of various processing methods on the stability and bioavailability of carotenoids is a critical area of investigation. Thermal and mechanical treatments can significantly influence carotenoid degradation and isomerisation, thereby affecting their nutritional value. Understanding these effects is vital for food manufacturers aiming to preserve or enhance carotenoid levels and their accessibility for absorption [2].
Developing efficient and sustainable extraction protocols is a continuous pursuit in food analysis. Ultrasound-assisted extraction (UAE) has emerged as a promising technique, demonstrating potential for reduced extraction time and solvent consumption compared to traditional methods. Validation of such novel methods is crucial for their widespread adoption in laboratory settings [3].
When quantifying carotenoids, the choice of analytical method plays a significant role in achieving accurate results, especially in complex food matrices. Comparative analyses of methods like spectrophotometry and HPLC highlight the importance of appropriate sample preparation and optimization of chromatographic conditions to minimize matrix effects and ensure precise quantitation of individual carotenoids [4].
Environmentally friendly extraction techniques are increasingly being explored to reduce the reliance on organic solvents. Supercritical fluid extraction (SFE) using CO2 offers a green and efficient alternative, characterized by the absence of solvent residues and minimal degradation of sensitive compounds, making it attractive for food analysis and ingredient production [5].
The stability of specific carotenoids, such as beta-carotene, under simulated physiological conditions provides crucial insights into their actual bioavailability from food sources. Investigating degradation and isomerisation within the digestive tract informs dietary recommendations and food formulation strategies aimed at optimizing nutritional benefits [6].
For comprehensive carotenoid analysis, particularly in diverse food types like leafy greens, simultaneous determination methods are highly valuable. High-performance liquid chromatography with diode array detection (HPLC-DAD) offers a validated approach, providing efficient separation and peak purity assessment, which is essential for analyzing multiple carotenoids concurrently [7].
Effective sample cleanup is a prerequisite for accurate chromatographic analysis of carotenoids. The evaluation of different solid-phase extraction (SPE) sorbents is critical for removing interfering compounds like lipids and chlorophylls from complex vegetable matrices, thereby enhancing the accuracy and precision of carotenoid determination and improving chromatographic performance [8].
Novel green extraction techniques, including microwave-assisted extraction (MAE) and the use of deep eutectic solvents (DES), are being investigated for their efficiency and environmental benefits in carotenoid analysis. These methods offer advantages in terms of reduced extraction time, solvent usage, and energy consumption compared to conventional approaches [9].
Rapid and sensitive quantification methods are essential for modern food analysis. Liquid chromatography-mass spectrometry (LC-MS/MS) provides high selectivity and sensitivity, enabling the detection of low carotenoid concentrations and their isomers, which is invaluable for detailed nutritional profiling and food authenticity studies [10].
The foundational aspects of carotenoid analysis in vegetable-based food matrices lie in the development and implementation of robust methodologies for accurate experimental determination. This involves a systematic approach, beginning with meticulous sample preparation, followed by the selection of efficient extraction techniques where solvent choice is paramount. Advanced analytical instruments, particularly High-Performance Liquid Chromatography (HPLC) coupled with suitable detectors, are indispensable for reliable quantification. The methodology must also address common challenges, such as the inherent susceptibility of carotenoids to degradation and interference from other food components, offering practical solutions to ensure reproducibility for quality control and nutritional assessments within the food sector [1].
Investigating the influence of processing technologies on carotenoid stability and bioavailability is central to understanding their nutritional impact. Different processing methods, including thermal treatments and mechanical interventions, can profoundly affect both the degradation pathways and isomeric forms of carotenoids. This knowledge is invaluable for food manufacturers seeking to optimize their products to retain or enhance carotenoid levels and improve their absorption in the human body [2].
Advancements in extraction technologies aim to improve efficiency and sustainability in food analysis. The development and validation of novel methods, such as ultrasound-assisted extraction (UAE), offer the potential to significantly reduce extraction times and the consumption of organic solvents while achieving comparable or superior extraction yields. These innovations are critical for establishing more environmentally sound and efficient laboratory protocols [3].
When assessing carotenoid content, a comparative evaluation of analytical techniques is often necessary to determine the most suitable approach for specific food matrices. Methods like spectrophotometry and HPLC are frequently compared, emphasizing the critical role of precise sample preparation and the optimization of detection parameters or chromatographic conditions. This ensures that matrix effects are minimized, leading to accurate quantification of individual carotenoid compounds in products such as juices and purees [4].
The pursuit of greener analytical chemistry has led to the exploration of advanced extraction techniques like supercritical fluid extraction (SFE). Utilizing CO2 as a solvent, SFE offers an efficient and environmentally conscious method for extracting carotenoids from various sources. Its advantages include the absence of organic solvent residues and a reduced risk of degrading sensitive compounds, positioning it as an attractive alternative for both analytical purposes and the production of food ingredients [5].
Understanding the fate of carotenoids within the human digestive system is crucial for assessing their true nutritional contribution. Studies investigating the in vitro stability and bioavailability of carotenoids, such as beta-carotene, under simulated gastrointestinal conditions provide essential insights. Identifying factors that contribute to degradation or isomerisation in the digestive tract helps in formulating evidence-based dietary recommendations and optimizing food products for enhanced health benefits [6].
For routine and comprehensive analysis of carotenoids in diverse food items, particularly leafy green vegetables, the development of methods that allow simultaneous determination is highly beneficial. High-performance liquid chromatography combined with a diode array detector (HPLC-DAD) provides a validated platform for this purpose, enabling efficient separation and reliable identification of multiple carotenoids while ensuring peak purity [7].
Optimizing sample preparation is a critical step in ensuring the accuracy of carotenoid quantification, especially when employing techniques like HPLC. The selection of appropriate solid-phase extraction (SPE) sorbents plays a vital role in the cleanup of carotenoid extracts from complex matrices. Effective removal of interfering substances, such as lipids and chlorophylls, is essential for improving chromatographic performance and achieving precise analytical results [8].
Research into novel extraction methodologies aims to enhance both the efficiency and environmental profile of carotenoid determination. Techniques such as microwave-assisted extraction (MAE) and the utilization of deep eutectic solvents (DES) are being explored as alternatives to conventional methods. These approaches often demonstrate benefits in terms of reduced extraction times, lower solvent consumption, and decreased energy requirements [9].
The demand for rapid and highly sensitive analytical tools in food science necessitates the adoption of advanced techniques. Liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) offers exceptional selectivity and sensitivity for quantifying carotenoids in both fresh and processed vegetable samples. This capability is vital for detecting trace amounts of carotenoids and their isomers, supporting in-depth nutritional profiling and studies related to food authenticity [10].
This compilation of research focuses on the analysis and stability of carotenoids in vegetable-based food matrices. Key themes include the development of robust methodologies for carotenoid extraction and quantification, utilizing advanced techniques like HPLC, LC-MS/MS, and green extraction methods such as UAE, MAE, and SFE. The impact of food processing on carotenoid stability and bioavailability is examined, alongside in vitro studies simulating digestion to assess actual nutritional uptake. Comparative analyses of analytical methods and sample cleanup strategies are also presented, highlighting the importance of accuracy and efficiency in food analysis for quality control, nutritional profiling, and ensuring food authenticity.
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Journal of Experimental Food Chemistry received 389 citations as per Google Scholar report
