Flavonoid Glycosides
Mostrando 1-12 de 34 artigos, teses e dissertações.
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1. Anti-angiogenic activity of iridoids from Galium tunetanum
ABSTRACT The phytochemical study of Galium tunetanum Lam., Rubiaceae, leaves led to the isolation of 13 compounds from the chloroform–methanol and the methanol extracts, including six iridoid glycosides, one non-glycoside iridoid, two p-coumaroyl iridoid glycosides, two phenolic acids, and two flavonoid glycosides. The structural determination of the isola
Rev. bras. farmacogn.. Publicado em: 2018-06
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2. Phenylacylated-flavonoids from Peucedanum chryseum
ABSTRACT Phytochemical investigation of the methanol extract of the aerial parts of Peucedanum chryseum (Boiss. & Heldr.) D.F.Chamb., Apiaceae, led to the isolation of a dihydrofuranochromone, cimifugin (1); a phloroacetophenone glucoside, myrciaphenone A (2); and a flavonoid glycoside, afzelin (3) along with two phenylacylated-flavonoid glycosides: rugosafl
Rev. bras. farmacogn.. Publicado em: 2018-04
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3. Isovitexin as marker and bioactive compound in the antinociceptive activity of the Brazilian crude drug extracts of Echinodorus scaber and E. grandiflorus
Abstract Echinodorus scaber Rataj and Echinodorus grandiflorus (Cham. & Schltdl.) Micheli, Alismataceae, are popularly used to relieve inflammatory complaints and as diuretic. A study on the antinociceptive effect and selected marker compounds in eleven extracts from different locations was undertaken and their antinociceptive effect was assessed. The finger
Rev. bras. farmacogn.. Publicado em: 2017-10
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4. Comparative study of Passiflora taxa leaves: II. A chromatographic profile
ABSTRACT Popularly known as passion fruit, some species of the genus Passiflora are widely used in folk medicines, such as sedatives and tranquilizers in many countries. Although these plants are employed for the same purposes, research with different species of Passiflora has indicated their heterogeneous chemical compositions. Since different chemical comp
Rev. bras. farmacogn.. Publicado em: 2017-02
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5. Distribution patterns of flavonoids from three Momordica species by ultra-high performance liquid chromatography quadrupole time of flight mass spectrometry: a metabolomic profiling approach
ABSTRACT Plants from the Momordica genus, Curcubitaceae, are used for several purposes, especially for their nutritional and medicinal properties. Commonly known as bitter gourds, melon and cucumber, these plants are characterized by a bitter taste owing to the large content of cucurbitacin compounds. However, several reports have shown an undisputed correla
Rev. bras. farmacogn.. Publicado em: 2016-08
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6. Flavonoid profiling and nodulation of some legumes in response to the allelopathic stress of Sonchus oleraceus L.
Annual sowthistle (Sonchus oleraceus) has been reported to produce allelopathic effects. Two greenhouse experiments were conducted to estimate the allelopathic potential of both plant residue and root exudates of S. oleraceus on flavonoid composition and nodulation in a leguminous crop, Trifolium alexandrinum, and in two leguminous weeds, Melilotus indicus a
Acta Bot. Bras.. Publicado em: 2015-12
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7. PHYTOCHEMICAL AND PHYLOGENETIC ANALYSIS OF
Spondias (Anacardiaceae)This paper describes the correlation between the phenolic composition and the molecular phylogenetic reconstruction of five
Spondias species (Anacardiaceae). Two of these species (S. venulosa andSpondias sp.) occur in rainforest areas and the other three are widely distributed in Brazil (S. dulci Quím. Nova. Publicado em: 2015-07
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8. Flavonoid glycosides from Hosta longipes, their inhibition on NO production, and nerve growth factor inductive effects
Investigação fitoquímica das folhas da Hosta longipes identificou um novo flavonóide glicosídeo, o caempferol-3-O-β-D-glucopiranosil-(1→2)-[6"'-O-acetil-β-D-glucopiranósido]-7-O-β-D-glucopiranósido, e mais cinco derivados flavonóides conhecidos. As estruturas de dois compostos foram reveladas por vários métodos de RMN (¹H e 13C RMN, ¹H-¹H C
J. Braz. Chem. Soc.. Publicado em: 2014-05
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9. Flavonoides glicosilados de Erythroxylum pulchrum a. st.-hil. (Erythroxylaceae)
The phytochemical investigation of Erythroxylum pulchrum St. Hil. (Erythroxylaceae) led to the isolation of three known flavonoid glycosides quercetin-3-O-α-L-rhaminoside, ombuin-3-ruthinoside and ombuin-3-ruthinoside-5-glucoside. These flavonoids are being described for the first time in this E. pulchrum. The structures of the compounds were determined by
Quím. Nova. Publicado em: 2014
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10. Progress in micropropagation of Passifloraspp. to produce medicinal plants: a mini-review
Micropropagation of Passiflora species and its hybrids may play an important role in the production of healthy and disease-free plants which can be a source of medicinal herbal products, nutritional fruits and ornamental flowers. The rapid multiplication of elite plants to obtain pharmacognostic material, containing valuable flavonoid C-glycosides, is possib
Rev. bras. farmacogn.. Publicado em: 2013-12
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11. Effect of fertilisation and harvest period on polar metabolites of Calendula oficcinalis
The present study evaluated the chemical profile of polar extracts of Calendula officinalis L., Asteraceae, that were grown under different cultivation conditions: chemical fertilisation, organic fertilisation and mulching. Furthermore, we investigated metabolite variations during plant development by comparing the metabolites from harvested plants at 60 and
Rev. bras. farmacogn.. Publicado em: 2013-10
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12. Flavonoid electrochemistry: a review on the electroanalytical applications
Flavonoids are polyphenolic compounds widespread in vegetal kingdom. They present a C-15 skeleton, which is divided into three units A, B and C. Unit C is an oxygen containing heterocyclic, whose oxidation state and saturation level define major subclasses. Units A and B are aromatic rings, in which four major types of substituents, i. e. hydroxyl, methoxyl,
Rev. bras. farmacogn.. Publicado em: 10/05/2013