In addition, among the medicinal plants, garlic, cinnamon, and avocado leaves have all been found to be antagonistic to M catarrhalis.
Tibetan health-care traditions and their links to landscape and culture are central to the medicinal plants conservation programme supported in Shey Phoksundo National Park in the alpine meadows of the Eastern Himalaya, Nepal.
Ecological studies on the restoration of degraded forest land, the conservation of medicinal plants and their sustainable harvesting are being conducted at Achanakmar-Amarkantak.
The forests are abundant with medicinal plants and mushrooms, and the fields produce maize, squash, tomatoes, beans, watercress and potatoes, as well as a large range of fruit.
At the moment, African medicinal plants are often ignored because foreign buyers have no guarantee of the quality of the materials they are purchasing.
"We know that the ancient Egyptians had extensive trade routes and it is entirely possible that both medicinal plants and the knowledge to use them effectively were traded between regions and countries, " Dr Metcalf said.
BBC: NEWS | UK | England | Manchester | Hunt for ancient medicine secrets
The opium-free poppy seed is the result of five years of research by scientists at the government-run Central Institute of Medicinal and Aromatic Plants based in Lucknow.
The identity of the Mijikenda is expressed through oral traditions and performing arts related to the sacred forests, which are also sources of valuable medicinal plants.
Twenty-seven tribal and non-tribal communities inhabit 418 villages living on agriculture (including production of medicinal plants) and non-timber products produced in the buffer zone and transition areas.
The video shows the work of People and Plants, which since 1997 has been studying systems of management used for medicinal plants by local amchis and investigating how they can be strengthened.
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