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Senra Incana
''Senra incana'' is a flowering plant species in the genus '' Senra''. The plant produces the phenolic compounds coniferaldehyde, scopoletin, sinapaldehyde and syringaldehyde Syringaldehyde is an organic compound that occurs in trace amounts widely in nature. Some species of insects use syringaldehyde in their chemical communication systems. ''Scolytus multistriatus'' uses it as a signal to find a host tree during ovip ...Pharmacologically active phenylpropanoids from Senra incana. Farah MH, Samuelsson G. Planta Med. 1992 Feb;58(1):14-8. References External links ''Senra incana'' on JStor Hibisceae Plants described in 1786 Taxa named by Antonio José Cavanilles {{Hibisceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antonio José Cavanilles
Antonio José Cavanilles (16 January 1745 – 5 May 1804) was a leading Spanish taxonomic botanist of the 18th century. He named many plants, particularly from Oceania. He named at least 100 genera, about 54 of which were still used in 2004, including ''Dahlia'', '' Calycera'', ''Cobaea'', '' Galphimia'', and ''Oleandra''. Biography Cavanilles was born in Valencia. He lived in Paris from 1777 to 1781, where he followed careers as a clergyman and a botanist, thanks to André Thouin and Antoine Laurent de Jussieu. He was one of the first Spanish scientists to use the classification method invented by Carl Linnaeus. From Paris he moved to Madrid, where he was director of the Royal Botanical Garden and Professor of botany from 1801 to 1804. In 1804, Cavanilles was elected a member of the American Philosophical Society in Philadelphia. He died in Madrid in 1804. Selected publications * ''Icones et descriptiones plantarum, quae aut sponte in Hispania crescunt, aut in hortis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Senra
''Senra'' is a flowering plant genus in the tribe Hibisceae Hibisceae is a tribe of flowering plants in the mallow family Malvaceae, subfamily Malvoideae. Genera The following genera are included: *''Abelmoschus'' Medik. *''Anotea'' (DC.) Kunth *'' Cenocentrum'' Gagnep. *''Decaschistia'' Wight & Arn. .... References Hibisceae Malvaceae genera Taxa named by Antonio José Cavanilles {{Hibisceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coniferaldehyde
Coniferyl aldehyde is an organic compound with the formula HO(CH3O)C6H3CH=CHCHO. It is a derivative of cinnamaldehyde, featuring 4-hydroxy and 3-methoxy substituents. It is a major precursor to lignin. Biosynthetic role In sweetgum (''Liquidambar styraciflua''), coniferyl aldehyde is a precursor to sinapaldehyde via hydroxylation mediated by coniferyl aldehyde 5-hydroxylase. Coniferyl aldehyde is reduced to coniferyl alcohol by the action of dehydrogenase enzymes. It is found in ''Senra incana'' (Hibisceae). It is a low molecular weight phenol that is susceptible to extraction from cork stoppers into wine.Polyphenolic Composition of Quercus suber Cork from Different Spanish Provenances. Elvira Conde, Estrella CadahÃa, MarÃa Concepción GarcÃa-Vallejo and BrÃgida Fernández de Simón, J. Agric. Food Chem., 1998, volume 46, pp 3166–3171 See also * Phenolic compounds in wine The phenolic content in wine refers to the phenolic compounds—natural phenol and polyphenolsâ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scopoletin
Scopoletin is a coumarin. It found in the root of plants in the genus ''Scopolia'' such as ''Scopolia carniolica'' and ''Scopolia japonica'', in chicory, in '' Artemisia scoparia'', in the roots and leaves of stinging nettle (''Urtica dioica''), in the passion flower, in '' Brunfelsia'', in ''Viburnum prunifolium'', in ''Solanum nigrum'', in ''Datura metel'', in '' Mallotus resinosus'', or and in '' Kleinhovia hospita''. It can also be found in fenugreek, vinegar, some whiskies or in dandelion coffee. A similar coumarin is scoparone. Scopoletin is highly fluorescent when dissolved in DMSO or water and is regularly used as a fluorimetric assay for the detection of hydrogen peroxide in conjunction with horseradish peroxidase. When oxidized, its fluorescence is strongly suppressed. Chemistry Biosynthesis Like most phenylpropanoids, the biosynthetic precursor to scopoletin acid is 4-coumaroyl-CoA. Scopoletin is derived from 1,2-benzopyrones which is the core structure of couma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sinapaldehyde
Sinapaldehyde is an organic compound with the formula HO(CH3O)2C6H2CH=CHCHO. It is a derivative of cinnamaldehyde, featuring one hydroxy group and two methoxy groups as substituents. It is an intermediate in the formation of sinapyl alcohol, a lignol that is a major precursor to lignin. Biosynthetic role In sweetgum (''Liquidambar styraciflua''), sinapaldehyde arises in two steps from coniferyl aldehyde beginning with hydroxylation mediated by coniferyl aldehyde 5-hydroxylase. The diphenol is then methylated at the 5-OH by the action of caffeate ''O''-methyltransferase. Sinapaldehyde is reduced to the alcohol by the action of dehydrogenase enzymes. In ''Arabidopsis thaliana'', the enzyme dihydroflavonol 4-reductase uses NADP+ to reduce sinapaldehyde to sinapyl alcohol. It is found in ''Senra incana'' (Hibisceae). It is a low molecular weight phenol that is susceptible to extraction from cork stoppers into wine.Polyphenolic Composition of ''Quercus suber'' Cork from Different ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syringaldehyde
Syringaldehyde is an organic compound that occurs in trace amounts widely in nature. Some species of insects use syringaldehyde in their chemical communication systems. ''Scolytus multistriatus'' uses it as a signal to find a host tree during oviposition. Because it contains many functional groups, it can be classified in many ways - aromatic, aldehyde, phenol. It is a colorless solid (impure samples appear yellowish) that is soluble in alcohol and polar organic solvents. Its refractive index is 1.53. Natural sources Syringaldehyde can be found naturally in the wood of spruce and maple trees. Syringaldehyde is also formed in oak barrels and extracted into whisky, which it gives spicy, smoky, hot and smoldering wood aromas. Preparation This compound may be prepared from syringol by the Duff reaction: : See also *Phenolic content in wine *Syringol *Syringic acid *Acetosyringone *Sinapyl alcohol *Sinapinic acid *Sinapaldehyde *Sinapine *Canolol Canolol is a phenolic comp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hibisceae
Hibisceae is a tribe of flowering plants in the mallow family Malvaceae, subfamily Malvoideae. Genera The following genera are included: *''Abelmoschus'' Medik. *''Anotea'' (DC.) Kunth *'' Cenocentrum'' Gagnep. *''Decaschistia'' Wight & Arn. *'' Dicellostyles'' Benth. *'' Fioria'' Mattei *'' Helicteropsis'' Hochr. *''Hibiscadelphus'' Rock *''Hibiscus'' L. *'' Humbertianthus'' Hochr. *'' Humbertiella'' Hochr. *'' Julostylis'' Thwaites *'' Kosteletzkya'' C.Presl *'' Kydia'' Roxb. *'' Macrostelia'' Hochr. *'' Malachra'' L. *''Malvaviscus'' Fabr. *'' Megistostegium'' Hochr. *'' Nayariophyton'' T.K.Paul *'' Papuodendron'' C.T.White *'' Pavonia'' Cav. *'' Peltaea'' (C.Presl) Standl. *'' Perrierophytum'' Hochr. *'' Phragmocarpidium'' Krapov. *'' Radyera'' Bullock *'' Rojasimalva'' Fryxell *'' Senra'' Cav. *'' Symphyochlamys'' Gürke *''Talipariti'' Fryxell *''Urena ''Urena'' is the genus of plants, which grow in various tropical and subtropical areas worldwide. Some vie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plants Described In 1786
Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclude the fungi and some algae, as well as the prokaryotes (the archaea and bacteria). By one definition, plants form the clade Viridiplantae (Latin name for "green plants") which is sister of the Glaucophyta, and consists of the green algae and Embryophyta (land plants). The latter includes the flowering plants, conifers and other gymnosperms, ferns and their allies, hornworts, liverworts, and mosses. Most plants are multicellular organisms. Green plants obtain most of their energy from sunlight via photosynthesis by primary chloroplasts that are derived from endosymbiosis with cyanobacteria. Their chloroplasts contain chlorophylls a and b, which gives them their green color. Some plants are parasitic or mycotrophic and have lost the ability ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
