Results 21 to 30 of about 1,276 (161)

Size variation in the vascular cambium and its derivatives in two Alstonia species Variação em tamanho do cambio vascular e seus tecidos derivados em duas espécies de Alstonia

open access: yesActa Botânica Brasílica, 2007
Two tropical tree species viz. Alstonia venenata Br. and Alstonia neriifolia Don. (Apocynaceae) were investigated to detect size variation in different elements of the cambium and its derivative tissues.
Moin A. Khan, Badruzzaman Siddiqui
doaj   +1 more source

Developing Hydrophobic Paper as a Packaging Material Using Epicuticular Wax: A Sustainable Approach

open access: yesBioResources, 2014
There is an urgent need for a biodegradable, hydrophobic material that can be used in developing packaging materials. In this preliminary study, epicuticular wax has been extracted from the leaves of Calotropis procera and Alstonia scholaris using ...
Jyoti Yadav   +2 more
doaj   +1 more source

Ameliorating effect of Alstonia scholaris L. bark extract on histopathological changes following viper envenomation in animal models

open access: yesToxicology Reports, 2018
Objectives: The primary symptoms associated with snake envenomation are both systemic and local. The local symptoms are characterized by pain, swelling, haemorrhage and myonecrosis at the site of bite.
Rituparna Ghosh   +2 more
doaj   +1 more source

Indole Alkaloids from the Leaves of Alstonia villosa in Sunbawa (Alstonia 6).

open access: yesChemical and Pharmaceutical Bulletin, 1998
Seventeen alkaloids were isolated from the air-dried leaves of Alstonia villosa and their structures characterized. One of the seven new alkaloids was elucidated to be (19Z)-5α-methoxyrhazimine, having a 3, 4-dihydroquinoline nucleus.
ABE, Fumiko   +4 more
openaire   +2 more sources

ANATOMI PEPAGAN PULAI DAN BEBERAPA JENIS SEKERABAT

open access: yesJurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017
Bark anatomy of white pulai (Alstonia scholaris R.Br.).  black pulai (Alstonia angustiloba Miq.) and bintaro (Cerbera manghas L.)  were observed and described for identification purposes.
Y I Maodang
doaj   +1 more source

Macralstonine from Alstonia muelleriana [PDF]

open access: yesPhytochemistry, 1971
Abstract Macralstonine has been isolated from the alkaloidal fraction of Alstonia muelleriana. This supports the close phytochemical relationship between this species and A. macrophylla inferred in other recent work.
Cook, James M., Le Quesne, Philip W.
openaire   +2 more sources

Anti-Malarial Plants of Jonai, India: an Ethnobotanical Approach

open access: yesNotulae Scientia Biologicae, 2016
North-East India represents a unique ecosystem with treasured medicinal plant wealth closely related with Folk medicines. A large number of plants having medicinal properties and their folk uses have remained confined to the natives of this region.
Tonlong WANGPAN   +4 more
doaj   +1 more source

Combined Anthocleista vogelii and Alstonia boonei Stem Barks Extract Alleviates Hyperlipidaemia and Renal Malfunctions in Benign Prostatic Hyperplasia-Induced Rats

open access: yesBiology, Medicine & Natural Product Chemistry, 2022
Benign prostatic hyperplasia (BPH) is a urological disease prevalent among the ageing male population, which impairs the quality of life, including hyperlipidaemia and a decline in renal functions.
Robert Ikechukwu Uroko   +5 more
doaj   +1 more source

PERBANDINGAN CIRI ANATOMI KAYU DAN KULIT 3 JENIS PULAI (Alstonia sp.)

open access: yesJurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2011
Pulai (Alstonia sp.). yang termasuk ke dalam suku Apocynaceae banyak diinformasikan mengandung getah yang sering digunakan sebagai obat tradisionil. Dalam berbagai literatur, jenis pohon berkhasiat obat sudah banyak disinggung namun diskripsi anatomi ...
Andianto Andianto
doaj   +1 more source

Unusual Nitrogenous Derivatives from

open access: yesNatural Product Communications, 2012
Five new nitrogenous compounds were isolated from the Malayan Alstonia angustifolia and their structures determined based on interpretation of spectroscopic data.
Shin-Jowl Tan   +3 more
doaj   +1 more source

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