Isoflavones
Mostrando 13-24 de 108 artigos, teses e dissertações.
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13. A New Prenylisoflavone from the Antifungal Extract of Leaves of Vatairea guianensis Aubl.
A new compound, 5,7,3'-trihydroxy-4'-methoxy-8-prenylisoflavone, was isolated from the leaves of Vatairea guianensis Aubl. (Fabaceae), together with two known isoflavones lupiwighteone and 5,7,4'-trihydroxy-3'-methoxy-8-prenylisoflavone. All isolated compounds were characterized based on infrared (IR), UV, 1H and 13C nuclear magnetic resonance (NMR), includi
J. Braz. Chem. Soc.. Publicado em: 2017-06
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14. Isoflavone-aglycone fraction from Glycine max: a promising raw material for isoflavone-based pharmaceutical or nutraceutical products
ABSTRACT The present work was designed to obtain a fraction containing high concentration of isoflavone-aglycones from Glycine max (L.) Merr., Fabaceae, named isoflavone enriched-fraction, from a dry extract containing isoflavones-glycosides. A simple and low cost method was proposed: extraction of isoflavone glycosides from the G. max dry extract with a pro
Rev. bras. farmacogn.. Publicado em: 2016-04
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15. Stability of gluten free sweet biscuit elaborated with rice bran, broken rice and okara
Abstract A challenge to the food sector has been the development of new products incorporating co-products from the food processing industry with minimal impact on their pre-determined structures and adding nutritional quality. In order to add value and develop alternatives for the use of co-products generated during the agroindustrial processing, this work
Food Sci. Technol. Publicado em: 04/03/2016
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16. Chemotaxonomy and flavonoid diversity of Salvia L.(Lamiaceae) in Iran
In this study, we evaluated the chemotaxonomic status and chemical diversity of Salvia L. species in Iran using leaf flavonoid profiles. From natural habitats in the country, we collected samples of 14 species of the genus: S. spinosa L.; S. macrosiphon Boiss.; S. reuterana Boiss.; S. sharifii Rech.f. & Esfand.; S. nemorosa L.; S. virgata Jacq.; S. syriaca L
Acta Bot. Bras.. Publicado em: 2014-06
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17. New isoflavones from the leaves of Vatairea guianensis Aublé
Das folhas de Vatairea guianensis Aublé foram isoladas quatro isoflavonas identificadas como, 5,3',-diidroxi-4'-metoxi-2",2"-dimetilpirano-(5",6":8,7)-isoflavona ( 1: ), 5,7-diidroxi-3',4'-metilenodioxi-8-prenil-isoflavona ( 2: ) e 5,3'-diidroxi-4'-metoxi-7-O-β-glicopiranosídeo-8-prenil-isoflavona ( 3: ) e derrona ( 4: ), juntamente com cinco triterpenos
J. Braz. Chem. Soc.. Publicado em: 2013-11
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18. Preparation and characterization of solid oral dosage forms containing soy isoflavones
Soy isoflavones have been extensively used for menopausal symptoms and prevention of hormone-related cancer, osteoporosis and cardiovascular diseases. Commercially available forms of isoflavones include supplements, capsules and tablets. However, the non-standardization of soy isoflavones extracts and different dissolution profiles of these solid dosage form
Rev. bras. farmacogn.. Publicado em: 01/02/2013
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19. Prenylated flavonoids from maclura tinctoria fruits
A phytochemical investigation of Maclura tinctoria fruits yielded five flavonoids, including one prenylated flavonol (licoflavonol) and four prenylated isoflavones (wighteone, derrone, alpinum isoflavone, and 6-(2,2-dimethyl-2H-chromen-6-yl)-2-(1-hydroxy-1-methylethyl)-2,3-dihydro-5H-furo[3,2-g]chromen-5-one). The structures of the isolates were established
Quím. Nova. Publicado em: 2013
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20. Genetic variability of isoflavones in the USDA red clover core collection
Red clover is one of the most utilized forage in agriculture and contains many of the isoflavones known for their human health benefits. The objectives of this study were: i) to quantify, using HPLC analysis, isoflavones in 77 accessions from the USDA core collection and a Brazilian line; ii) to verify possible relationships depending on their origin, improv
Rev. bras. farmacogn.. Publicado em: 16/11/2012
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21. Development of an analytical method to quantify total isoflavones in phytotherapic capsules using high-performance liquid chromatography
Isoflavones can be found in grains and leaves of soybean. Currently, these are sold in pharmacies as phytotherapic capsules. Isoflavones have been recommended by doctors, especially for women, due to their ability to relieve menopause symptoms, among other benefits. However, no method exists for the official control of isoflavone content in capsules sold in
Rev. bras. farmacogn.. Publicado em: 09/10/2012
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22. Soybean extracts enriched with free isoflavones promote nitric oxide synthesis and affect the proliferation of breast adenocarcinoma cells
Although soybean isoflavones naturally accumulate in their conjugated forms, the beneficial effects on human health of soybean-containing foods have been credited to their aglycone forms. In the present study we analyzed the effects of a chemical agent, sodium nitroprusside (SNP), in eliciting the exudation of non-conjugated isoflavones from intact soybean s
Rev. bras. farmacogn.. Publicado em: 06/09/2012
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23. In vitro isoflavonoid production and analysis in natural tetraploid Trifolium pratense (red clover) calluses
Isoflavones are polyphenolic phytoestrogens, predominantly found in leguminous plants. Trifolium pratense L., Fabaceae (red clover), is rich in isoflavones that possess estrogenic activity due to their similar molecular structure and effectiveness in preventing health conditions such as menopause, osteoporosis, cardiovascular disease, hypertension and hormon
Rev. bras. farmacogn.. Publicado em: 06/09/2012
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24. In vivo and in vitro anti-inflammatory activity of red clover Trifolium pratense dry extract
Red clover Trifolium pratense L., Fabaceae, contains four isoflavones, mainly formononetin and biochanin A, and in smaller concentrations, daidzein and genistein. These compounds have gained a lot interest due to its human health benefits, such as estrogenic and progestogenic activities, antioxidant, anti-cancer and others. The objective of this study was to
Revista Brasileira de Farmacognosia. Publicado em: 01/11/2011