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090			_aB-12021
245	1	0	_aPlant part substitution - a way to conserve endangered medicinal plants?
490	0		_vJournal of EthnoPharmacology, 71, p.281-292, 2000
520	3		_aPopulation growth, urbanization and the unrestricted collection of medicinal plants from the wild is resulting in an over-exploitation of natural resources in southern Africa. Therefore, the management of traditional medicinal plant resources has become a matter of urgency. In southern Africa the most frequently used medicinal plants are slow-growing forest trees, bulbous and tuberous plants, with bark and underground parts being the parts mainly utilized. A strategy which would satisfy the requirements of sustainable harvesting, yet simultaneously provide for primary health care needs, would be the substitution of bark or underground parts with leaves of the same plant. This paper outlines the concept of plant substitution, using preliminary results of our recent investigations into four of the most important and most threatened South African medicinal plants - Eucomis autumnalis (bulb), Siphonochilus aethiopicus (rhizome), Ocotea bullata (bark), and Warburgia salutaris (bark)- as a demonstration of the kind of research necessary. Extracts of various plant parts were compared chemically using TLC-analysis, and pharmacologically in terms of antibacterial activity and cyclooxygenase-1 inhibition in vitro. The importance of the concept of plant part substitution as a strategy for the conservation of medicinal plants in southern Africa is discussed in terms of the results obtained.
650	1	4	_aSOUTH AFRICAN MEDICINAL PLANTS
650	1	4	_aSUSTAINABLE HARVESTING
650	1	4	_aEUCOMIS AUTUMNALIS
650	1	4	_aOCOTEA BULLATA
650	1	4	_aSIPHONOCHILUS AETHIOPICUS
650	1	4	_aWARBURGIA SALUTARIS
700	1	2	_aZschocke, S.
700	1	2	_aRabe, T.
700	1	2	_aTaylor, J.L.S.
700	1	2	_aJager, A.K.
700	1	2	_aVan Staden, J.
856	4	0	_uhttps://drive.google.com/file/d/1dGUVmrlCLw20fXOP2YVhz20wz6Ij5BIf/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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