Results 11 to 20 of about 9,303 (189)

Chemical Constituents and Biological Activities of Oxandra (Annonaceae): A Review. [PDF]

open access: yesChem Biodivers
ABSTRACT Oxandra (Annonaceae) comprises 29 species distributed across South and Central America. Despite this diversity, the genus remains under‐investigated. This study presents the first comprehensive review of the chemical composition and biological activities of Oxandra species, utilizing databases such as SciFinder, ScienceDirect, PubMed, and ...
Lopes RC   +4 more
europepmc   +2 more sources

Carum carvi and Ormenis multicaulis Extracts: Chemical Analysis and In Vivo Experiments to Evaluate the Synergistic Analgesic and Anti-Inflammatory Effects. [PDF]

open access: yesChem Biodivers
ABSTRACT The purpose of the present investigation was to determine the effects of combination of Ormenis multicaulis dry flower methanolic extracts and Carum carvi seed methanolic extracts on pain and inflammation, compared to their use separately. High‐performance liquid chromatography (HPLC) analysis of methanolic extracts showed the presence of ...
Wakrim EM   +9 more
europepmc   +2 more sources

Alcaloides presentes en hortia colombiana [PDF]

open access: yesRevista Colombiana de Química, 1998
Del extracto etanólico de la madera de Hortia colombiana (Rutaceae) se aislaron e identificaron cinco alcaloides que corresponden a: Flindersina, N-metilflindersina, y-Fagarina, Skimmianina y 2,4- Dimetoxiquinolina, Del extracto toluénico de la corteza ...
Delle Monache., Franco   +2 more
core   +4 more sources

Recherches expérimentales sur l'opium et ses alcaloides

open access: yes
RECHERCHES EXPÉRIMENTALES SUR L'OPIUM ET SES ALCALOIDES Recherches expérimentales sur l'opium et ses alcaloides (4) (-
Bernard, Claude
core   +11 more sources

ALCALOIDES COMO AGENTES ANTITUMORAIS: CONSIDERAÇÕES QUÍMICAS E BIOLÓGICAS [PDF]

open access: yesUNINGÁ Review, 2015
A atividade farmacológica dos alcaloides se confunde com a própria história do homem. Ao longo dos anos acumularam- se muitos conhecimentos sobre esses compostos, principalmente através de tentativa e erro, superstição, religião e por fim, métodos ...
JOÃO PAULO MARQUES   +1 more
doaj   +2 more sources

Distribución de Alcaloides en la Corteza de Algunas Cinchonas Peruanas [PDF]

open access: yesRevista Facultad Nacional de Agronomía Medellín, 1946
Los análisis de las muestras seleccionadas de corteza de quinas silvestres que crecían,en el Perú indican que el contenido en alcaloides varía apreciablemente según la posición de la base a los puntos más altos del árbol.
Hodge W. H.
doaj   +1 more source

Biosíntesis de alcaloides bencilisoquinolínicos

open access: yesUniversitas Scientiarum, 2012
Benzylisoquinoline alkaloid biosynthesis. The benzylisoquinoline alkaloids (BIA) are specialized metabolites with an ancient phylogeneticdistribution, but still preserved in modern clades.
Christian Anabí Riley-Saldaña   +2 more
doaj   +4 more sources

ALCALOIDES PRESENTES EN Hortia colombiana

open access: yesRevista Colombiana de Química, 2010
Del extracto etanólico de la madera de Hortia colombiana (Rutaceae) se aislaron e identificaron cinco alcaloides que corresponden a: Flindersina, N-metilflindersina, y-Fagarina, Skimmianina y 2,4- Dimetoxiquinolina, Del extracto toluénico de la corteza ...
Luis E. Cuca S.   +2 more
doaj   +1 more source

Alcaloides Des Annonacees : Xyloethiopine, Un Nouvel Alcaloide De Xylopia Aethiopica A.Rich

open access: yesInternational Journal for Research in Applied Science and Engineering Technology, 2022
Abstract: We studied the alkaloid composition of Xylopia aethiopica A. Rich ( Annona-ceae) leaves collected in republic of Guinea and isolated for the first time and identified the 3 benzyltetrahydroisoquinolines alkaloids: armépavine; coclaurine ; Nméthylcoclaurine, and a new alkaloid - xyloethiopine Keywords: Annonaceae; Xylopia aethiopica A.
Mamadou Sadialiou Sidibe   +4 more
openaire   +1 more source

Alcaloides en la flora de Andalucía. II [PDF]

open access: yes, 1989
Se han estudiado 105 especies vegetales características de la flora de Andalucía con objeto de determinar la presencia cualitativa y cuantitativa de alcaloides.
Salvo, Á. Enrique   +14 more
core   +2 more sources

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