The scientists wanted to test if herbal preparations containing such molecules could be useful
Several Ayurvedic formulations, which have been in use for ages, are being subjected to modern methods of drug development in order to make out the exact mechanism of their action. A group of Indian scientists has done detailed chemical study of the herbal preparation known as triphala and found it to be rich in polyphenolic content.
Scientists at the UM-DAE Centre for Excellence in Basic Sciences, University of Mumbai and the Tata Institute of Fundamental Research (TIFR) subjected triphala to detailed chemical characterisation and found abundance of polyphenols.
They also tested its action on molecules involved in development of neurodegenerative disorders such as Parkinson's disease to study its mechanism of action, according to findings published in journal RSC Advances.
Triphala is known to possess a range of medicinal properties such as free radical scavenging, antioxidant, anti-inflammatory, antimutagenic, anti-stress, hypoglycaemic and radioprotective. Some of these properties are attributed to its polyphenolic constituents.
“Alpha-syn is an amino acid which is expressed in neuronal cells. Its accumulation in the form of fibrillar aggregates is a characteristic of neurodegenerative diseases like Parkinson's. Earlier studies had shown that alpha-syn fibrillisation can be addressed by small organic molecules, particularly polyphenols. So we wanted to test if herbal preparations containing such molecules could be useful,” explained Ramakrishna V Hosur, who led the research team, while speaking to India Science Wire. He said it was a preliminary study and more work needs to be done.
However, other experts have sounded a note of caution. “Triphala has been shown to stop fibril formation of alpha-syn in test tube study using NMR. But I do not see clinical relevance of this work. A-syn is in the brain and it is not clear how triphala will reach the brain that too at intracellular level. There are many entities like beta-syn and gamma-syn to protect alpha-syn from fibril formation as previous studies have shown. The ratio of beta or gamma-syn is also important. The dose of triphala needs to be tested in varied concentrations range even in test tube studies,” pointed out Pravat Mandal, a scientist at the Manesar-based National Brain Research Centre (NBRC).
The study team included Mandar Bopardikar, Sri Rama Koti Ainavarapu, Lalit C Borde (TIFR, Mumbai); Anusri Bhattacharya, Veera Mohana Rao Kakita, Kavita Rachineni, Sinjan Choudhary and Ramkrishna V Hosur (University of Mumbai). (India Science Wire)
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