Results 151 to 160 of about 1,322 (182)

Na-formylechitamidine, an alkaloid from Alstonia boonei

Phytochemistry, 1984
Abstract A known alkaloid, echitamidine, and a new alkaloid, Na-formylechitamidine, have been isolated from the stem bark of Alstonia boonei. The structure of this new alkaloid was assigned on the basis of chemical and spectroscopic data.
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Antimicrobial and Phytochemical Properties of Alstonia Boonei Extracts

Organic Chemistry: Current Research, 2014
Alstonia boonei De wild is a major spice crop grown abundantly in Ghana and other tropical countries. In this study we have carried out phytochemical analysis and antimicrobial investigation of ethanol and aqueous extracts of the root of Alstonia boonei against a panel of clinically significant bacterial and fungal strains.
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Antimalarial Activity of Extracts and Partially Purified Fractions of Alstonia boonei De Wild

African Scientist, 2023
Alstonia boonei De wild is famed for several bioactive properties; this study measures its in vivo antimalarial potentials as well as phytochemical, nutritional and antioxidant properties. Variants of its stem bark extract were screened for phytochemical, nutritional and antioxidant properties using established procedures.
Patrick Ojeifo Uadia, Kissinger ObaogiE Orumwensodia   +1 more
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ANTI-INFLAMMATORY PROPERTIES OF THE ROOT BARK OF ALSTONIA BOONEI

Nigerian Journal of Natural Products and Medicine, 2002
The anti-inflammatory properties of the root bark of Alstonia boonei, De wild (Apocynaceae) was studied using egg white-induced rat hind paw oedema as a model of acute inflammation. The alcoholic extract showed a significant protection of the paw against the induced inflammation.
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Studies on the anti-inflammatory, antipyretic and analgesic properties of Alstonia boonei stem bark

Journal of Ethnopharmacology, 2000
The methanol extract of the stem bark of Alstonia boonei was investigated for anti-inflammatory property. The analgesic and antipyretic properties of the extract was also evaluated.
O A, Olajide, S O, Awe, J M, Makinde, A I, Ekhelar, A, Olusola, O, Morebise, D T, Okpako   +6 more
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Anti-oxidant and Antimicrobial Flavonoid Glycosides from Alstonia boonei De Wild Leaves

British Journal of Pharmaceutical Research, 2016
Aims: Alstonia boonei De Wild (Apocynaceae) leaves are used traditionally in several parts of West Africa (including Nigeria) and Asia for the treatment of various ailments such as rheumatic and muscular pains as well as hypertension and malaria.
Nkeoma Okoye, Chukwuma Okoye
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andardization, Phytochemistry and Antidiarrhoeal activities of Alstonia boonei De Wild. And Alstonia congensis ENGL. Stem barks

Journal of Phytomedicine and Therapeutics
The apparent similarities between Alstonia boonei (AB) and Alstonia congensis (AC), could lead to misidentification and inappropriate medicinal utilization. This study aimed at evaluating pharmacognostic and anti-diarrheal profiles of the stem barks of these species for the establishment of their pharmacopoeial standards.
Akinmurele , Opeyemi Josephine, Sonibare , Mubo Adeola, Ogunlakin , Akingbolabo Daniel, Akinloye , Akinwumi Johnson, Elujoba , Anthony A.   +4 more
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Antiplasmodial Properties of Alstonia boonei Stem-Bark and Picralima nitida Seed in Different Combinations

Nigerian Journal of Natural Products and Medicine, 2015
The use of mixtures of plants in form of decoctions is common practice in African ethnomedicine.The study evaluated the antiplasmodial activities of the freeze-dried decoctions of different combination ratios of the stem-bark of Alstonia boonei De Wild (Apocynaceae) and dry seed of Picralima nitida (Stapf) T.&H.Dur.
Ajayi, CO, Elujoba, AA, Adepiti, AO
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Triterpenes from Alstonia boonei

Phytochemistry, 1972
S.I. Faparusi, O. Bassir
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Identification of Some Chemical Constituents of the Leaves of Alstonia boonei and Bridelia ferruginea

2016
This study aims to investigate the phytochemical composition of the leaves of Alstonia boonei and Bridelia ferruginea. The leaves of the two plants were extracted successively with n-hexane and ethyl acetate, concentrated and fractionated over gravity silica gel column chromatography.
FABİYİ, Oluwatoyin Adenike, ATOLANİ, Olubunmi, OLATUNJİ, Gabriel A   +2 more
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