Methylxanthines accumulation in Ilex species - caffeine and theobromine in erva-mate (Ilex paraguariensis) and other Ilex species
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منابع مشابه
Methylxanthines Accumulation in Ilex Species - Caffeine and Theobromine in Erva-Mate (Ilex paraguariensis) and Other Ilex Species
Ilex paraguariensis St.Hil. é uma espécie de importância econômica tendo em vista sua utilização na região meridional da América do Sul no preparo do chimarrão, uma bebida estimulante, preparada pela infusão de suas folhas e talos moídos. Este trabalho apresenta a análise de metilxantinas em folhas de I. paraguariensis e outras espécies de Ilex freqüentemente relatadas como adulterantes. A dete...
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Study carried out at The Laboratory of Sleep Neurobiology, Department of Physiology, School of Medicine, Universidad de la República, Montevideo, Uruguay. 1 Laboratory of Sleep Neurobiology. Department of Physiology, School of Medicine, Universidad de la República, Montevideo, Uruguay. 2 Department of Biophysics, School of Medicine, Universidad de la República, Montevideo, Uruguay. 3 Department...
متن کاملComparative Antioxidant, Antiproliferative and Apoptotic Effects of Ilex laurina and Ilex paraguariensis on Colon Cancer Cells
Purpose: To determine and compare the antioxidant, antiproliferative and apoptotic effects of leaf infusions of Ilex laurina and Ilex paraguariensis in colon cancer cells. Methods: Antioxidant activity was determined by ORAC (Oxygen Radical Absorbance Capacity) and FRAP (Ferric Reducing Antioxidant Power). Cytotoxic and antiproliferative effects were analyzed using MTT ((3-(4, 5-dimethylthiazol...
متن کاملDetermination of Flavonoids, Phenolic Acids, and Xanthines in Mate Tea (Ilex paraguariensis St.-Hil.)
Raw material, different formulations of foods, and dietary supplements of mate demands control of the content of bioactive substances for which high performance thin layer chromatography (TLC), described here, presents simple and rapid approach for detections as well as quantification. Using TLC densitometry, the following bioactive compounds were identified and quantified: chlorogenic acid (2....
متن کاملEvaluation of the Antioxidant Activity and Polyphenols Content of Ilex paraguariensis (Mate) During Industrialization
The fresh leaves and stems of Ilex paraguariensis (Aquifoliaceae) (green maté) are industrialized to prepare the commercial product named “yerba mate” used in South America as a tea-like beverage. It is exported to the US, Europe and Asia as vegetal drug or extracts used in complementary and alternative medicine and in formulations for functional foods. The aims of this study were: a) to evalua...
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ژورنال
عنوان ژورنال: Journal of the Brazilian Chemical Society
سال: 1999
ISSN: 0103-5053
DOI: 10.1590/s0103-50531999000600004