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August - September 2017

| VOICES Bi-Monthly Magazine of the University of Technology, Jamaica


wenty eight years of dedicated

research on one of the endogenous

plants of Jamaica Petiveria alliacea

(guinea hen weed) has landed Adjunct

Professor in the College of Health Sciences,

Dr Lawrence Williams and co researcher Dr

George Levy (USA) a patent with the United

States for the discovery of anti-cancer

activity of the plant.

The invention involves the isolation of the

active ingredient dibenzyl trisulphide (DTS).

DTS is classified as a polysulphide mitogen

with a wide spectrum of activity including

anti-proliferation and or anti-cytotoxic effect

on human cancer cell lines. DTS also acts to

stimulate the production of stem cells from

bone marrow and thymus with very little

toxic effects.

Dr Williams joined the College of Health

Sciences in 2016 and has been involved in

plant-based research at both the graduate

and undergraduates levels.

Dr. Williams obtained his PhD from the

University of the West Indies followed by

post-doctoral studies at the University

of Hohenheim, Institute for Chemistry,

Stuttgart, Germany. He is an accomplished

researcher with over 70 peer-reviewed

articles and book chapters on plant-based


His extensive research profile had made

him the recipient of numerous awards and

fellowships including the 2013 Honored

Member for Research, Continental Who’s

Who, USA; 2011 Silver Musgrave Medal for

Outstanding Merit in the Field of Science

(Scientific Research) from the Institute of

Jamaica; Induction into the International

Biographical Centre (IBC), Hall of Fame,

Cambridge, UK (2004), among many other


Dr. LawrenceWilliams,Adjunct Professor, College of Health Sciences displays two of his Guinea HenWeed pharmaceutical

products retailed under the Timeless Herbal Care brand – the Guinea Hen Weed Tonic and Restorative and the Guinea

Hen Weed Magic Relief pain ointment. The occasion was a special briefing session at UTech, Jamaica’s Papine campus

on Thursday, January 12, 2017 to announce a Memorandum of Agreement signed between UTech, Jamaica and

Timeless Herbal Care Limited to support the development of the medicinal cannabis industry in Jamaica.

UTech, Jamaica Adjunct Professor Receives Patent for

Anti-Cancer Drug