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XANTOSINA [1 record]
Record 1 - internal organization data 2011-02-25
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
- Plant Biology
Universal entry(ies) Record 1
Record 1, Main entry term, English
- sesquiterpene
1, record 1, English, sesquiterpene
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Because they are of lower volatility than the monoterpenes, sesquiterpenes ... are isolated from their natural sources by distillation with steam or by extraction. They are purified by vacuum fractional distillation or by chromatography. The sesquiterpenes demonstrate an even greater complexity of structure than the monoterpenes, and oxygenated sesquiterpenes are commonly encountered. 2, record 1, English, - sesquiterpene
Record number: 1, Textual support number: 1 OBS
Chemical formula: C15H24 3, record 1, English, - sesquiterpene
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
- Biologie végétale
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- sesquiterpène
1, record 1, French, sesquiterp%C3%A8ne
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Intérêt des sesquiterpènes [...] Biologiquement, bon nombre de structures sesquiterpéniques sont des phytoalexines (c'est particulièrement vrai chez les Solanaceae); d'autres [...] semblent agir comme des régulateurs de croissance; d'autres enfin attirent les insectes [...] ou agissent à l'encontre de ceux-ci comme des facteurs antinutritifs [...] 2, record 1, French, - sesquiterp%C3%A8ne
Record number: 1, Textual support number: 1 OBS
Formule chimique : C15H24 3, record 1, French, - sesquiterp%C3%A8ne
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Elementos y compuestos químicos
- Biología vegetal
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- sesquiterpeno
1, record 1, Spanish, sesquiterpeno
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
Los sesquiterpenos son los terpenos de 15 carbonos(es decir, terpenoides de un monoterpenoide y medio). Como los monoterpenoides, muchos sesquiterpenoides están presentes en los aceites esenciales. Además muchos sesquiterpenoides actúan como fitoalexinas, compuestos antibióticos producidos por las plantas en respuesta a la aparición de microbios, y como inhibidores de la alimentación("antifeedant") de los herbívoros oportunistas. La hormona de las plantas llamada ácido abscísico es estructuralmente un sesquiterpeno, su precursor de 15 carbonos, la xantosina, no es sintetizada directamente de 3 unidades isopreno sino producida por un "cleavage" asimétrico de un carotenoide de 40 unidades. 2, record 1, Spanish, - sesquiterpeno
Record number: 1, Textual support number: 1 OBS
Fórmula química: C15H24 3, record 1, Spanish, - sesquiterpeno
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