A woman looks at chillies and peppers at a market in Belo Horizonte June 30, 2014. In a project called "On The Sidelines" Reuters photographers share pictures showing their own quirky and creative view of the 2014 World Cup in Brazil.
A woman looks at chillies and peppers at a market in Belo Horizonte June 30, 2014. In a project called "On The Sidelines" Reuters photographers share pictures showing their own quirky and creative view of the 2014 World Cup in Brazil. Reuters/Toru Hanai

Herbs may do more than just adding flavour to meals; they could also boost brain function, memory and learning. Apigenin, a substance present in herbs, promotes the formation of human brain cells and strengthens connection between them.

The researchers from D'Or Institute for Research and Education (IDOR), Federal University of Rio de Janeiro (UFRJ) and Federal University of Bahia (UFBA) claim that the substance, found in red pepper, chamomile, parsley and thyme, has the potential to be used as a treatment for neurodegenerative disorders such as Alzheimer's, Parkinson's and schizophrenia.

Apigenin binds to estrogen receptors, the hormones known to postpone the onset of mental and neurodegenerative disorders. Laboratory tests showed human stem applied with apigenin became neurons, with stronger and sophisticated connections, after 25 days. However, physicians caution the use of estrogen-based therapies because these can worsen estrogen-dependent tumours and cardiovascular problems, Medical News Today reports.

Lead author Stevens Rehen said that strong connections between neurons are crucial for good brain function, memory consolidation and learning. The researchers believe that this substance can be used as an alternative treatment for neurodegenerative diseases.

"We show a new path for new studies with this substance," Rehen concluded. "Moreover, flavonoids are present at high amounts in some foods and we can speculate that a diet rich in flavonoids may influence the formation of neurons and the way they communicate within the brain."

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