Results 21 to 30 of about 2,191 (180)

Chemotaxonomy and pharmacology of Gentianaceae [PDF]

, 2001
The occurrence of taxonomically informative types of compounds in the family Gentianaceae, namely iridoids, xanthones, mangiferin, and Cglucoflavones, has been recorded. The properties, biosynthesis, and distribution of each group of compounds are described.
Jensen, Søren Rosendal, Schripsema, Jan
openaire   +2 more sources

Phytochemical Analysis and Biological Activities of the Ethanolic Extract of Daphne sericea Vahl Flowering Aerial Parts Collected in Central Italy

Biomolecules, 2021
In this paper, the first phytochemical analysis of the ethanolic extract of Daphne sericea Vahl flowering aerial parts collected in Italy and its biological activities were reported.
Claudio Frezza, Alessandro Venditti, Daniela De Vita, Fabio Sciubba, Pierpaolo Tomai, Marco Franceschin, Mirella Di Cecco, Giampiero Ciaschetti, Antonella Di Sotto, Annarita Stringaro, Marisa Colone, Alessandra Gentili, Mauro Serafini, Armandodoriano Bianco   +13 more
doaj   +1 more source

Different responses to environmental factors in terpene composition of Pinus heldreichii and P. peuce: Ecological and chemotaxonomic considerations [PDF]

Archives of Biological Sciences, 2019
Many studies show the influence of the environment on terpene composition, but not many of them deal with the terpene composition variability in correlation with environmental factors in Pinus. We chose two endemic species – P.
Rajčević Nemanja, Nikolić Biljana, Marin Petar D.   +2 more
doaj   +1 more source

Revue bibliographique: les méthodes chimiques d'identification et de classification des champignons [PDF]

Biotechnologie, Agronomie, Société et Environnement, 2002
Chemotaxonomy of fungi : a review. For few years, advancements of molecular methods and analytical techniques enabled scientists to realise a classification of microorganisms based on biochemical characteristics. This classification, called chemotaxonomy,
Verscheure M., Lognay G., Marlier M.
doaj  

Sesquiterpene lactones. XXXV. Constituents of Reichardia tingitana L. Roth. and their antifeedant activity

Acta Societatis Botanicorum Poloniae, 2014
Reinvestigation of the components of Reichardia tingitana L. Roth. afforded besides already known sesquiterpenic lactones, 14-deoxylactucin (II) and desacetylmatricarin (III) cholesterol (V), stigmasterol (VI), β-sitosterol (VII) and ceryl alcohol (VIII).
Włodzimierz M. Daniewski, Piotr Skibicki, Maria Gumułka, Bohdan Drożdż, Halina Grabarczyk, Elżbieta Błoszczyk   +5 more
doaj   +1 more source

Chemotaxonomy of three genera of the annonaceae family using self-organizing maps and 13C NMR data of diterpenes

Química Nova, 2012
The Annonaceae family is distributed throughout Neotropical regions of the world. In Brazil, it covers nearly all natural formations particularly Annona, Xylopia and Polyalthia and is characterized chemically by the production of sources of terpenoids ...
Luciana Scotti, Josean Fechine Tavares, Marcelo Sobral da Silva, Emanuela Viana Falcão, Luana de Morais e Silva, Gabriela Cristina da Silva Soares, Marcus Tullius Scotti   +6 more
doaj   +1 more source

Cuticular Hydrocarbon Profiling Reveals Chemotaxonomic Diversity among Gonipterini weevils (Coleoptera: Curculionidae)

Biology and Life Sciences Forum, 2022
Cuticular hydrocarbons (CHCs) have been used as a chemotaxonomic tool to support the classification and identification of various insect species for decades.
Joel B. Johnson
doaj   +1 more source

Feasibility of Biomarker-Based Taxonomic Classification: A Case Study of the Marine Red Alga Laurencia snackeyi (Weber Bosse) M. Masuda

Phycology
Taxonomy—the classification of species—is an important branch of biology that allows us to systematically understand and study biodiversity. Conventional taxonomy relies heavily on morphological and anatomical structures for classification, but recent ...
Boon Ful Ng, Wei Lun Ng, Wai Mun Lum, Swee Keong Yeap, Yoong Soon Yong   +4 more
doaj   +1 more source

Chemotaxonomic Profiling of Canadian Alternaria Populations Using High-Resolution Mass Spectrometry

Metabolites, 2020
Alternaria spp. occur as plant pathogens worldwide under field and storage conditions. They lead to food spoilage and also produce several classes of secondary metabolites that contaminate the food production chain.
Megan J. Kelman, Justin B. Renaud, Keith A. Seifert, Jonathan Mack, Ken K.-C. Yeung, Mark W. Sumarah   +5 more
doaj   +1 more source

CHEMOTAXONOMIC STUDY OF FIVE MONOCOT SPECIES FROM NORTH- EASTERN SUDAN [PDF]

Journal of Plant Production, 2013
         Alkaloids, flavonoids, triterpenes, sterols and saponins were qualitatively screened in different organs of five monocotyledonous species belonging to different genera: Allium cepaL., Asparagus densiflorus (Kunth) Jessop, Pancratium tortuosum ...
Fatima El - Mubarak, I. Madani, M. Wasfi
doaj   +1 more source