Pharmacognostic evaluation of three Apocynaceae plants that share the same West African local names

ABSTRACT: Background: Across West Africa, Tabernaemontana crassa Benth., Voacanga africana Stapf., and Rauvolfia vomitoria Azfel. (Apocynaceae) share the same local names, a situation that puts them at risk of unintended adulteration. The study aimed at setting macro- and micromorphological standar...

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Autores principales:	Emmanuel Adom, Edmund Ekuadzi, Eric Boakye-Gyasi, Isaac Kingsley Amponsah
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Microscopy Midrib Rauvolfia vomitoria Surface data determinations Tabernaemontana crassa Voacanga africana Other systems of medicine RZ201-999
Acceso en línea:	https://doaj.org/article/8887701bce1540d296cee29d770c6864
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spelling	oai:doaj.org-article:8887701bce1540d296cee29d770c68642021-11-12T04:49:48ZPharmacognostic evaluation of three Apocynaceae plants that share the same West African local names2667-031310.1016/j.phyplu.2021.100157https://doaj.org/article/8887701bce1540d296cee29d770c68642022-02-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2667031321001391https://doaj.org/toc/2667-0313ABSTRACT: Background: Across West Africa, Tabernaemontana crassa Benth., Voacanga africana Stapf., and Rauvolfia vomitoria Azfel. (Apocynaceae) share the same local names, a situation that puts them at risk of unintended adulteration. The study aimed at setting macro- and micromorphological standards, phytochemical and physicochemical standards for the unequivocal differentiation of the three plants. Methods: Macro- and micro-morphological features, quantitative microscopy, soluble extractives, pH, ash values, fluorescence, phytochemical and thin layer chromatographic profiles of leaves, stem, and roots of the three plants were determined using standard methods. Results: The whole leaves showed that all three plants possessed opposite petiolate leaves. The leaves of R. vomitoria and V. africana were elliptic in /shape, whereas T. crassa leaves were oblanceolate. Further differences in stomata arrangement, epidermal cells, histological features of their midribs, surface data determinations, phytochemical and physicochemical profiles of the leaves, stem bark and roots present useful data for clearly distinguishing between the three species. Conclusion: The determined parameters of the leaves, stems, and roots of T. crassa, V. africana, and R. vomitoria support the unequivocal identification of the individual plants. This is important for correct sourcing of these plants for herbal product manufacturers, regulators, and researchers.Emmanuel AdomEdmund EkuadziEric Boakye-GyasiIsaac Kingsley AmponsahElsevierarticleMicroscopyMidribRauvolfia vomitoriaSurface data determinationsTabernaemontana crassaVoacanga africanaOther systems of medicineRZ201-999ENPhytomedicine Plus, Vol 2, Iss 1, Pp 100157- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Microscopy Midrib Rauvolfia vomitoria Surface data determinations Tabernaemontana crassa Voacanga africana Other systems of medicine RZ201-999
spellingShingle	Microscopy Midrib Rauvolfia vomitoria Surface data determinations Tabernaemontana crassa Voacanga africana Other systems of medicine RZ201-999 Emmanuel Adom Edmund Ekuadzi Eric Boakye-Gyasi Isaac Kingsley Amponsah Pharmacognostic evaluation of three Apocynaceae plants that share the same West African local names
description	ABSTRACT: Background: Across West Africa, Tabernaemontana crassa Benth., Voacanga africana Stapf., and Rauvolfia vomitoria Azfel. (Apocynaceae) share the same local names, a situation that puts them at risk of unintended adulteration. The study aimed at setting macro- and micromorphological standards, phytochemical and physicochemical standards for the unequivocal differentiation of the three plants. Methods: Macro- and micro-morphological features, quantitative microscopy, soluble extractives, pH, ash values, fluorescence, phytochemical and thin layer chromatographic profiles of leaves, stem, and roots of the three plants were determined using standard methods. Results: The whole leaves showed that all three plants possessed opposite petiolate leaves. The leaves of R. vomitoria and V. africana were elliptic in /shape, whereas T. crassa leaves were oblanceolate. Further differences in stomata arrangement, epidermal cells, histological features of their midribs, surface data determinations, phytochemical and physicochemical profiles of the leaves, stem bark and roots present useful data for clearly distinguishing between the three species. Conclusion: The determined parameters of the leaves, stems, and roots of T. crassa, V. africana, and R. vomitoria support the unequivocal identification of the individual plants. This is important for correct sourcing of these plants for herbal product manufacturers, regulators, and researchers.
format	article
author	Emmanuel Adom Edmund Ekuadzi Eric Boakye-Gyasi Isaac Kingsley Amponsah
author_facet	Emmanuel Adom Edmund Ekuadzi Eric Boakye-Gyasi Isaac Kingsley Amponsah
author_sort	Emmanuel Adom
title	Pharmacognostic evaluation of three Apocynaceae plants that share the same West African local names
title_short	Pharmacognostic evaluation of three Apocynaceae plants that share the same West African local names
title_full	Pharmacognostic evaluation of three Apocynaceae plants that share the same West African local names
title_fullStr	Pharmacognostic evaluation of three Apocynaceae plants that share the same West African local names
title_full_unstemmed	Pharmacognostic evaluation of three Apocynaceae plants that share the same West African local names
title_sort	pharmacognostic evaluation of three apocynaceae plants that share the same west african local names
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/8887701bce1540d296cee29d770c6864
work_keys_str_mv	AT emmanueladom pharmacognosticevaluationofthreeapocynaceaeplantsthatsharethesamewestafricanlocalnames AT edmundekuadzi pharmacognosticevaluationofthreeapocynaceaeplantsthatsharethesamewestafricanlocalnames AT ericboakyegyasi pharmacognosticevaluationofthreeapocynaceaeplantsthatsharethesamewestafricanlocalnames AT isaackingsleyamponsah pharmacognosticevaluationofthreeapocynaceaeplantsthatsharethesamewestafricanlocalnames
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Pharmacognostic evaluation of three Apocynaceae plants that share the same West African local names

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