Titre :	استخلاص، فصل وتحديد بنى نواتج الأيض الثانوي الفلافونيدي وتركيب الزيوت الأساسية لنباتات من الجنس ((Fabaceae) Genista
Type de document :	texte imprimé
Auteurs :	كوثر شباح, Auteur ; رتيبة مكيو, Directeur de thèse
Editeur :	جامعة الإخوة منتوري قسنطينة
Année de publication :	2017
Importance :	193 ورقة.
Format :	30 سم.
Note générale :	2نسخ موجودة مكتبة المركزية
Langues :	Arabe (ara)
Catégories :	Arabe القانون
Tags :	Fabaceae  Genista cephalantha Spach.  Genista ulicina Spach.  Genista quadriflora Munby  Genista cinerea ssp. ramosissima  phytochemical screening  antioxidant activity  essential oils  Genista cephalantha Spach  Genista ulicina Spach  Genista quadriflora Munby  composés flavonoiques  activité antioxydante  huiles essentielles  Genista quadriflora ،Genista ulicina Spach. ،Genista cephalantha Spachbyو ،Genista cinerea ssp. ramosissimaالعائلة البقولية، دراسة أوليّة، دراسة فيتو كيميائية، فحصبيولوجي، الزيت الأساسي
Index. décimale :	340 القانون
Résumé :	The principal aim of the present work consisted to identify the secondary metabolites of four species Genista cephalantha Spach.,Genista ulicina Spach., Genista quadriflora Munby and Genista cinerea ssp. ramosissima belonging to the Fabaceae family. This study began with a preliminary phytochemical screening by using the classic methods, the analysis by HPLC-UV followed by a quantification of phenolic and flavonoid content by colorimetric methods and finally the evaluation of antioxidant activity of both species (Genista cephalantha Spach. and Genista ulicina Spach.) by measuring their ability to scavenge a stable DPPH free radical and by β- Carotene/linoleic acid bleaching assay. The obtained results showed a wealth of both species in flavonoids and isoflavonoids and a good antioxidant activity. These results gave rise to two international publications. The extracts of these two plants were subjected to separation and purification methods, based on chromatographic techniques.Ten compounds were isolated from the aerial parts of Genista cephalantha and three compounds from Genista ulicina. All isolated compounds were identified by spectroscopic analysis, especially 1D and 2D NMR spectroscopy (1H-NMR, 13C-NMR, DEPT 90, DEPT135, COSY, HMQC, HMBC), UV spectrophotometry aswelle as Mass Spectrometry (ESI(-)). The analyses of essential oil of G. quadriflora et G. cinerea ssp. ramosissima by GC and GC/MS led the identification of forty four (44) compounds from G. quadrifloraMunby, with7,10,13-Hexadecatrienal (13.38%) as main compound, and fifty seven (57) compounds from the essential oil of G. cinereassp. ramosissima with phthalate (20.15%) as main compound.
Diplôme :	Doctorat en sciences
En ligne :	../theses/chimie/ACHE4239.pdf
Format de la ressource électronique :	pdf
Permalink :	index.php?lvl=notice_display&id=10445

استخلاص، فصل وتحديد بنى نواتج الأيض الثانوي الفلافونيدي وتركيب الزيوت الأساسية لنباتات من الجنس ((Fabaceae) Genista [texte imprimé] / كوثر شباح, Auteur ; رتيبة مكيو, Directeur de thèse . - جامعة الإخوة منتوري قسنطينة, 2017 . - 193 ورقة. ; 30 سم.
2نسخ موجودة مكتبة المركزية

Langues : Arabe (ara)

Catégories :	Arabe القانون
Tags :	Fabaceae  Genista cephalantha Spach.  Genista ulicina Spach.  Genista quadriflora Munby  Genista cinerea ssp. ramosissima  phytochemical screening  antioxidant activity  essential oils  Genista cephalantha Spach  Genista ulicina Spach  Genista quadriflora Munby  composés flavonoiques  activité antioxydante  huiles essentielles  Genista quadriflora ،Genista ulicina Spach. ،Genista cephalantha Spachbyو ،Genista cinerea ssp. ramosissimaالعائلة البقولية، دراسة أوليّة، دراسة فيتو كيميائية، فحصبيولوجي، الزيت الأساسي
Index. décimale :	340 القانون
Résumé :	The principal aim of the present work consisted to identify the secondary metabolites of four species Genista cephalantha Spach.,Genista ulicina Spach., Genista quadriflora Munby and Genista cinerea ssp. ramosissima belonging to the Fabaceae family. This study began with a preliminary phytochemical screening by using the classic methods, the analysis by HPLC-UV followed by a quantification of phenolic and flavonoid content by colorimetric methods and finally the evaluation of antioxidant activity of both species (Genista cephalantha Spach. and Genista ulicina Spach.) by measuring their ability to scavenge a stable DPPH free radical and by β- Carotene/linoleic acid bleaching assay. The obtained results showed a wealth of both species in flavonoids and isoflavonoids and a good antioxidant activity. These results gave rise to two international publications. The extracts of these two plants were subjected to separation and purification methods, based on chromatographic techniques.Ten compounds were isolated from the aerial parts of Genista cephalantha and three compounds from Genista ulicina. All isolated compounds were identified by spectroscopic analysis, especially 1D and 2D NMR spectroscopy (1H-NMR, 13C-NMR, DEPT 90, DEPT135, COSY, HMQC, HMBC), UV spectrophotometry aswelle as Mass Spectrometry (ESI(-)). The analyses of essential oil of G. quadriflora et G. cinerea ssp. ramosissima by GC and GC/MS led the identification of forty four (44) compounds from G. quadrifloraMunby, with7,10,13-Hexadecatrienal (13.38%) as main compound, and fifty seven (57) compounds from the essential oil of G. cinereassp. ramosissima with phthalate (20.15%) as main compound.
Diplôme :	Doctorat en sciences
En ligne :	../theses/chimie/ACHE4239.pdf
Format de la ressource électronique :	pdf
Permalink :	index.php?lvl=notice_display&id=10445