Innovative Mechatronic System for Assessing Carotenoid Levels

  • Share this article on Facebook
  • Share this article on Twitter
  • Share this article on Linkedin

Discover the cutting-edge mechatronic system designed to accurately measure carotenoid concentrations. This technology offers a non-invasive, rapid, and precise method to evaluate the antioxidant status in human tissues and the quality of fruits and vegetables, contributing to better health monitoring and food safety practices.

The Evolution of Carotenoid Detection

The Importance of Carotenoids in Human Health

Carotenoids are essential antioxidants that play a crucial role in protecting cells from damage caused by free radicals. These naturally occurring pigments are responsible for the vibrant colors in fruits and vegetables and are also present in human skin. They contribute to the prevention of chronic diseases,Innovative Mechatronic System for Assessing Carotenoid Levels Articles including cardiovascular diseases, cancer, and age-related macular degeneration.

Traditional vs. Advanced Detection Methods

Traditionally, carotenoid levels have been measured through absorption spectrophotometry, which, while relatively precise, requires extensive sample preparation and can lead to carotenoid loss. In contrast, Raman resonance spectrometry offers a direct and specific analysis of carotenoids in complex solutions without the need for saponification or other purification methods, thus minimizing errors in the assay.

Raman Resonance Spectrometry: A Game-Changer

Raman resonance spectrometry has revolutionized the detection and identification of carotenoids. By exciting the Raman spectrum within the visible absorption band of carotenoids, this method enhances the line intensity related to the polyenic chain by a factor of up to 10^6, allowing for the detection of carotenoids even in the presence of other pigments. The intensity of the resonance Raman lines is directly proportional to the pigment concentration, making it a reliable method for quantitative analysis.

The Biophotonic Scanner: A Non-Invasive Measurement Tool

The biophotonic scanner is a prime example of a non-invasive tool that utilizes Raman spectroscopy to measure carotenoid levels in human skin. Emitting a laser light at a wavelength of 473 nm, it detects the green light generated when the laser interacts with carotenoid molecules. The resulting Skin Carotenoid Score (SCS) provides an accurate biomarker of an individual's overall antioxidant health status.

Clinical Relevance of Skin Carotenoid Scores

Clinical studies have established a direct correlation between antioxidant levels, as indicated by SCS, and general health and immunity. A score below 20,000 units suggests a high risk of disease due to poor diet, while scores above 50,000 units indicate a robust antioxidant reserve and a significantly reduced risk of chronic diseases.

Advancing Food Quality Control with Portable Raman Spectrometers

Portable Raman spectrometers have become invaluable in the food industry for rapid substance identification and concentration determination. These devices offer several advantages, including non-destructive measurements, molecular-level specificity, and the ability to analyze small sample sizes through transparent or translucent packaging.

Ensuring Food Safety with Raman Spectroscopy

The application of Raman spectroscopy extends to the determination of carotenoids in fruits and vegetables, providing a fast and simple method to assess the antioxidant content. This technology supports food safety risk management systems like SQF (Safe Quality Food), which aim to control and minimize food safety risks by offering safe products certified by recognized standards.

Conclusion: The Future of Antioxidant Measurement

The use of Raman spectroscopy for determining antioxidants in food and human tissues represents a significant advancement over traditional methods. It enables more effective monitoring of antioxidant networks, contributing to improved health outcomes and the prevention of malnutrition. As technology continues to evolve, the potential for widespread adoption in both healthcare and the food industry grows, promising a future where the assessment of carotenoid levels is both accessible and routine.


  • Aversa, R., Petrescu, R.V., Apicella, A., and Petrescu, F.I.T. (2016). Present a Mechatronic System Having Able to Determine the Concentration of Carotenoids. American Journal of Engineering and Applied Sciences, 9(4), 1106-1111. DOI: 10.3844/ajeassp.2016.1106.1111
  • Bernstein, P.S., et al. (2002). Resonance Raman measurement of macular carotenoids in normal subjects and in age-related macular degeneration patients. Ophthalmology, 109(10), 1780-1787. PMID: 12359594
  • Ermakov, I.V., et al. (2001). Resonance Raman detection of carotenoid antioxidants in living human tissue. Optics Letters, 26(16), 1179-1181. DOI: 10.1117/1.2139974

For further information and to view figures related to this topic, please visit the American Journal of Engineering and Applied Sciences.

Also From This Author

The Evolution of Modern Flight: A Journey of Comfort, Safety, and Technological Marvels

The Evolution of Modern Flight: A Journey of Comfort, Safety, and Technological Marvels

The modern flight experience is a symphony of comfort, safety, and technological innovation. Today's air travel is not just about reaching a destination; it's about the journey itself. Passengers expect a seamless experience that offers relaxation, entertainment, and peace of mind. The aviation industry has risen to the challenge, transforming the cabin environment and enhancing safety measures to ensure that flying is not only a mode of transportation but a pleasurable experience akin to a vacation. This article delves into the advancements in aircraft design, propulsion systems, and the historical context that have shaped the modern flight experience.
Harnessing Sustainable Energy for Space Exploration

Harnessing Sustainable Energy for Space Exploration

The quest for sustainable energy solutions is propelling the aerospace industry into a new era of space exploration. With advancements in solar technology and electric propulsion, NASA and other space agencies are developing innovative systems capable of powering spacecraft for long-duration missions, including the ambitious goal of sending humans to Mars. This article delves into the latest developments in solar electric propulsion (SEP) and the potential of nuclear fusion as a game-changing energy source for future space travel.
Project HARP

Project HARP

The HARP project, abbreviated from the High Altitude Project, was considered a joint project of the United States Department of Defense and Canada's Department of Defense, originally designed to study low-cost re-entry vehicles. Generally, such projects used rocket launchers to launch missiles, costly and often inefficient. The HARP project used a non-rocket space launch method based on a very large weapon capable of sending objects at high altitudes using very high speeds.