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Items for "chemotaxonomy"

The structure of the polysaccharide from Grateloupia intestinalis in New Zealand

The structure of the polysaccharide extracted from a sample of Grateloupia intestinalis was examined by 13C NMR spectroscopy, and was found to consist of two diads, one of which is that of ?-carrageenan, and the other a precursor to ?-carrageenan...

Keywords: algal galactans, chemotaxonomy, 13C NMR spectroscopy, sulfation

04/2005 | Botanica Marina, Walter de Gruyter
The structure of polysaccharides from selected New Zealand species of Grateloupia

The structure of the polysaccharides extracted from New Zealand samples of Grateloupia was examined by 13C NMR spectroscopy and by chemical means, and was found to consist of alternating 3-linked and 4-linked residues...

Keywords: 13C NMR spectroscopy, algal galactans, chemotaxonomy, sulfation

04/2005 | Botanica Marina, Walter de Gruyter
The application of 13C NMR spectroscopy to the red algal polysaccharides of selected New Zealand species of Lomentaria

The structural features of polysaccharides extracted from four New Zealand species of Lomentaria were examined...

Keywords: 13C NMR spectroscopy, algal galactans, chemotaxonomy, sulfation

04/2005 | Botanica Marina, Walter de Gruyter
Volatile compounds from some Black Sea red algae and their chemotaxonomic application

Volatile compounds from the Black Sea red algae Bangia fuscopurpurea, Gelidium latifolium, Callithamnion granulatum, Ceramium elegans, Laurencia papillosa and Laurencia coronopus were obtained by distillation-extraction and analysed by GC/MS...

Keywords: Black Sea, chemotaxonomy, volatile compounds, red algae

02/2006 | Botanica Marina, Walter de Gruyter
Evaluation of the structures of galactans from Carpopeltis sp., a member of the Halymeniales in the western Indian Ocean

The polysaccharides from an aqueous extract of a Carpopeltis species from the southeastern coast of Madagascar were examined by 13C NMR spectroscopy...

Keywords: 13C NMR spectroscopy, algal galactans, Carpopeltis, chemotaxonomy, sulfation

02/2006 | Botanica Marina, Walter de Gruyter
Analysis of fragrance compositions of precious coniferous woods grown in Taiwan

Odor is one of the most distinctive characteristics of wood. Woods in the family Taxodiaceae and Cupressaceae often emit fragrant odors...

Keywords: Calocedrus macrolepis, Chamaecyparis formosensis, Chamaecyparis obtusa, chemotaxonomy, conifer, Cryptomeria japonica, Cunninghamia lanceolata, fragrance, metabolomics, SPME, Taiwania cryptomerioides

08/2006 | Holzforschung, Walter de Gruyter
Dictyota dolabellana sp. nov. (Dictyotaceae, Phaeophyceae) based on morphological and chemical data

Dictyota dolabellana De Paula, Yoneshigue-Valentin et Teixeira is a new species of Dictyotaceae from the South Atlantic Ocean and the first denticulate species in which dolabellane diterpenes have been found...

Keywords: chemotaxonomy, Dictyotaceae, Dictyota dolabellana sp. nov, diterpene

12/2007 | Botanica Marina, Walter de Gruyter