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Henry J. Ndangalasi

Researcher at University of Dar es Salaam

Publications -  38
Citations -  1802

Henry J. Ndangalasi is an academic researcher from University of Dar es Salaam. The author has contributed to research in topics: Woodland & Allanblackia stuhlmannii. The author has an hindex of 14, co-authored 33 publications receiving 1637 citations. Previous affiliations of Henry J. Ndangalasi include University of Bergen.

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Ancistrotanzanine C and related 5,1'- and 7,3'-coupled naphthylisoquinoline alkaloids from Ancistrocladus tanzaniensis.

TL;DR: The structural elucidation was achieved by chemical, spectroscopic, and chiroptical methods and the biological activities of the alkaloids against the pathogens causing malaria tropica, leishmaniasis, Chagas' disease, and African sleeping sickness were evaluated.
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Harvesting of non-timber forest products and implications for conservation in two montane forests of East Africa

TL;DR: In this article, the extraction of plant products from two montane forest ecosystems, Uzungwa Scarp Forest Reserve (USFR) and Bwindi Impenetrable National Park (BINP), was assessed.
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Disperser limitation and recruitment of an endemic African tree in a fragmented landscape.

TL;DR: Extended observations of disperser activity, a seed placement experiment, seed predator censuses, and reciprocal seedling transplants from forest and fragment sources failed to support the alternative hypotheses for poorer seedling and juvenile recruitment in fragments, leaving reduced seed dispersal as the most plausible mechanism.
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Ancistrotanzanine A, the first 5,3'-coupled naphthylisoquinoline alkaloid, and two further, 5,8'-linked related compounds from the newly described species Ancistrocladus tanzaniensis.

TL;DR: The first phytochemical investigation of the recently discovered East African liana Ancistrocladus tanzaniensis is described, resulting in the isolation and structural elucidation of two new naphthylisoquinoline alkaloids and a hitherto unprecedented 5,3'-coupling type between the naphthalene and isoquinoline portions.