Results 151 to 160 of about 3,894 (214)
Tocotrienol-Dominated Berberidaceae Species' Seed Tocochromanols: Screening via Ultrasound-Assisted Extraction in Ethanol. [PDF]
Plants (Basel)Lazdiņa D +3 more
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Phytochemistry, Chemotaxonomy, and Biological Activities of the Araucariaceae Family—A Review [PDF]
Plants, 2020 In this review article, the phytochemistry of the species belonging to the Araucariaceae family is explored. Among these, in particular, it is given a wide overview on the phytochemical profile of Wollemia genus, for the first time.
Armandodoriano Bianco +2 more
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Chemotaxonomy of the genus Talaromyces
Antonie van Leeuwenhoek, 1990Species of the ascomycetous genus Talaromyces have been examined for profiles of secondary metabolites on TLC. The greatest number of specific metabolites were produced on oatmeal-, malt extract- and yeast-extract sucrose agars. Profiles of intracellular secondary metabolites produced on oatmeal agar were specific for each species and provided a means ...
J C, Frisvad +3 more
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Acta Odontologica Scandinavica, 1990
The present review deals with chemotaxonomic methods for yeasts. DNA base composition, which is expressed as molar percentages of guanine plus cytosine (G + C), is fitted for description of a new species and serves exclusionary functions. G + C content range among species within a genus is often 10% or less.
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The present review deals with chemotaxonomic methods for yeasts. DNA base composition, which is expressed as molar percentages of guanine plus cytosine (G + C), is fitted for description of a new species and serves exclusionary functions. G + C content range among species within a genus is often 10% or less.
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Chemotaxonomy of cyanobacteria
Phytochemistry, 1995Abstract The fatty acid-based classification system divides cyanobacteria into four groups. These groups include strains that contain C 18 fatty acids with three, four or no double bonds. The fatty acid composition of several cyanobacterial strains that we have analysed suggests the existence of a fifth group that consists of C 18 polyunsaturated ...
Zvi Cohen +2 more
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Biochemical Systematics and Ecology, 1975
Abstract The composition of the uropygial gland wax of 8 species of birds of the order Anseriformes was investigated. As was expected, the waxes are composed of more or less methyl-branched fatty acids and alcohols. The results obtained have been compared with those on other species of Anseriformes and discussed from a chemotaxonomical viewpoint. For
Jürgen Jacob, Armin Glaser
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Abstract The composition of the uropygial gland wax of 8 species of birds of the order Anseriformes was investigated. As was expected, the waxes are composed of more or less methyl-branched fatty acids and alcohols. The results obtained have been compared with those on other species of Anseriformes and discussed from a chemotaxonomical viewpoint. For
Jürgen Jacob, Armin Glaser
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Phytochemistry, 1972
Abstract The heartwoods of 10 elm species have been examined for the sesquiterpenes, 7-hydroxycadalenal (I), 7-hydroxy-3-methoxycadalenal (II), 7-hydroxycadalene (III), 7-hydroxycalamenenal (IV), 7-hydroxycalamenene (V), and mansonone C (VI), and for the lignans, thomasic acid (VII), thomasidioic acid (VIII), lyoniresinol (IX), and lyoniresinol 2a- O
J.W. Rowe +3 more
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Abstract The heartwoods of 10 elm species have been examined for the sesquiterpenes, 7-hydroxycadalenal (I), 7-hydroxy-3-methoxycadalenal (II), 7-hydroxycadalene (III), 7-hydroxycalamenenal (IV), 7-hydroxycalamenene (V), and mansonone C (VI), and for the lignans, thomasic acid (VII), thomasidioic acid (VIII), lyoniresinol (IX), and lyoniresinol 2a- O
J.W. Rowe +3 more
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Chemotaxonomy of bacteroides: A review
Acta Odontologica Scandinavica, 1994The loose definition of Bacteroides, some species of which are important etiologic agents of oral diseases, has enabled isolates with only marginal similarities to be reposited in this genus. Many attempts have been made over the years to improve the taxonomy of this heterogeneous group of bacteria.
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Biochemical Systematics and Ecology, 2015
Abstract The order Ericales, sensu APG III, belongs to the Asterids. It comprises around 25 families and 347 genera distributed in 4 clades: Balsaminoids, Polemonioids, Primuloids and Ericoids. Their species are widely distributed in arctic, temperate and tropical regions.
Marco Eduardo do Nascimento Rocha +4 more
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Abstract The order Ericales, sensu APG III, belongs to the Asterids. It comprises around 25 families and 347 genera distributed in 4 clades: Balsaminoids, Polemonioids, Primuloids and Ericoids. Their species are widely distributed in arctic, temperate and tropical regions.
Marco Eduardo do Nascimento Rocha +4 more
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TAXON, 1972
SummaryThe use of chemical characteristics in plant taxonomy is briefly surveyed. Some types of numerical treatment of variation in chromatographically separated substances are discussed. The usefulness of such methods is shown to be more restricted than is often claimed.
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SummaryThe use of chemical characteristics in plant taxonomy is briefly surveyed. Some types of numerical treatment of variation in chromatographically separated substances are discussed. The usefulness of such methods is shown to be more restricted than is often claimed.
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