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Writer's pictureKevin Jess

Groundbreaking Discovery: Used Coffee Grounds Could Hold Key to Battling Neurodegenerative Diseases

In a potential game-changer for millions affected by neurodegenerative disorders like Alzheimer’s, Parkinson’s, and Huntington’s, researchers at The University of Texas at El Paso have uncovered a promising solution in an unexpected place: used coffee grounds.


Led by Jyotish Kumar, a doctoral student in the Department of Chemistry and Biochemistry, the team found that Carbon Quantum Dots (CACQDs), derived from caffeic-acid in spent coffee grounds, hold the potential to shield brain cells from damage caused by various neurodegenerative diseases. This revelation comes as a beacon of hope in the face of the staggering economic burden, amounting to hundreds of billions of dollars annually, of caring for those grappling with these conditions, according to the Alzheimer's Association.

The study, described in the November issue of the journal Environmental Research, suggests that CACQDs could particularly benefit individuals whose neurodegenerative conditions are triggered by factors such as obesity, age, or exposure to pesticides and environmental toxins.

"Caffeic-acid based Carbon Quantum Dots have the potential to be transformative in the treatment of neurodegenerative disorders," explained Jyotish Kumar. "Our aim is to find a cure by addressing the atomic and molecular underpinnings that drive these conditions, unlike current treatments that only manage symptoms."

Neurodegenerative diseases, marked by the loss of neurons, impair basic functions like movement, speech, bladder and bowel control, and cognitive abilities. The team found that CACQDs, derived through an environmentally friendly process from used coffee grounds, were neuroprotective in various experiments, particularly in models of Parkinson’s disease induced by the pesticide paraquat.

The researchers believe that, in the early stages of conditions like Alzheimer’s or Parkinson’s, treatment with CACQDs could be effective in preventing full-blown disease, potentially offering a cost-effective solution accessible to a broader patient population.

Dr. Mahesh Narayan, overseeing the research, stressed the urgency of addressing these disorders before reaching the clinical stage, stating, "Our aim is to come up with a solution that can prevent most cases of these conditions at a cost that is manageable for as many patients as possible."

Caffeic acid, a key component of CACQDs, belongs to a family of compounds known for their antioxidant properties. Importantly, it can penetrate the blood-brain barrier, allowing it to exert its effects directly on brain cells.

The extraction process of CACQDs from coffee grounds is not only groundbreaking in its potential but also environmentally friendly. The team employs "green chemistry," using a sustainable and economical method to reorient the carbon structure of caffeic acid in coffee grounds.

Supported by a grant from the National Institutes of Health, the researchers involved numerous graduate and undergraduate students in the project. Moving forward, the team plans to seek additional funding for further testing, recognizing that the finish line is still a distance away. However, their work holds promise for a future where a simple pill may prevent the majority of neurodegenerative disorders caused by factors beyond genetics.

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