Herbal Extracts
Mostrando 13-24 de 51 artigos, teses e dissertações.
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13. Anatomy and histochemistry of leaves and stems of Sapium glandulosum
Abstract Sapium belongs to Euphorbiaceae family and comprises 23 species. Sapium glandulosum (L.) Morong is popularly known in Brazil as "pau-leiteiro" and "leitosinha" and it is used in traditional medicine to cicatrisation. Its leaf extracts have shown analgesic, anti-inflammatory and antibacterial activities. The preliminary set of pharmacognostic tools u
Rev. bras. farmacogn.. Publicado em: 2017-06
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14. Formulation and evaluation of topical herbal gel for the treatment of arthritis in animal model
ABSTRACT The objective of the study is to formulate and evaluate a topical herbal gel containing Cardiospermum halicacabum and Vitex negundo leaf extracts for their anti-arthritic activity in rats. Twelve herbal gel formulations were prepared using 1.5% of gelling agents carbopol 934 (F1-F6) and carbopol 940 (F6-F12) and they were evaluated for physical appe
Braz. J. Pharm. Sci.. Publicado em: 2016-09
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15. A study of fortification of lemonade with herbal extracts
Abstract The aim of the present work was to design new beverages using lemonade and some herbal extracts (linden, heather, green tea, lemon verbena, clove, peppermint, ginger and mate) rich in vitamin C and flavonoids. The linden-added lemonade showed the highest value (597.9 mg/kg) for ascorbic acid content, whereas the lemon verbena-added lemonade showed t
Food Sci. Technol. Publicado em: 28/07/2016
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16. Comparative study of three Marantodes pumilum varieties by microscopy, spectroscopy and chromatography
Abstract Marantodes pumilum (Blume) Kuntze (synonym: Labisia pumila (Blume) Fern.-Vill), Primulaceae, is well known for its traditional use as a post-partum medication among women in Malaysia. Three varieties of M. pumilum, var. alata Scheff., var. pumila and var. lanceolata (Scheff.) Mez. are commonly used. Nowadays, M. pumilum powder or extracts are commer
Rev. bras. farmacogn.. Publicado em: 2016-02
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17. Anti-foot-and-mouth disease virus effects of Chinese herbal kombucha in vivo
Abstract The foot and mouth disease virus (FMDV) is sensitive to acids and can be inactivated by exposure to low pH conditions. Spraying animals at risk of infection with suspensions of acid-forming microorganisms has been identified as a potential strategy for preventing FMD. Kombucha is one of the most strongly acid-forming symbiotic probiotics and could t
Braz. J. Microbiol.. Publicado em: 09/10/2015
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18. Phytochemical analysis of Vernonanthura tweedieana and a validated UPLC-PDA method for the quantification of eriodictyol
AbstractVernonanthura tweedieana (Baker) H. Rob., Asteraceae, is used in the Brazilian folk medicine for the treatment of respiratory diseases. In this work the phytochemical investigation of its ethanol extracts as well as the development and validation of an UPLC-PDA method for the quantification of the eriodictyol from the leaves were performed. The phyto
Rev. bras. farmacogn.. Publicado em: 2015-08
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19. Microscopical descriptions and chemical analysis by HPTLC of Taraxacum officinale in comparison to Hypochaeris radicata: a solution for mis-identification
Taraxacum officinale F. H. Wigg, Asteraceae, is frequently misidentified or substituted with Hypochaeris radicata L., Asteraceae (false dandelion). To increase our knowledge of T. officinale and differentiate it from H. radicata, we investigated the two species using a combination of taxonomy, microscopy, and chromatographic studies via fingerprint profiles.
Rev. bras. farmacogn.. Publicado em: 2014-08
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20. Simultaneous determination of four phenolic compounds in extracts of aerial parts of Ipomoea pes-caprae (L.) R. Br. (Convolvulaceae) by HPLC-UV
Among other applications, Ipomoea pes-caprae is popularly used to treat jellyfish stings, supporting the development of a product for dermatological use. Hydroethanolic spray-dried extract was chosen for the further development of phytomedicines, and a stability-indicative HPLC-UV method was developed and validated for the determination of isoquercitrin and
Quím. Nova. Publicado em: 2014
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21. Total phytosterol content in drug materials and extracts from roots of Acanthospermum hispidum by UV-VIS spectrophotometry
Acanthospermum hispidum DC., Asteraceae, is widely used in folk medicine in Brazil to treat respiratory diseases; this biological property has been attributed to its phytosterol content. This study evaluated the spectrophotometric assay method to quantify the total phytosterol content in raw materials and extracts from roots of A. hispidum. The procedure was
Rev. bras. farmacogn.. Publicado em: 2013-10
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22. Pyrrolizidine alkaloids in medicinal tea of Ageratum conyzoides
It is now widely-recognized that the view that herbal remedies have no adverse effects and/or toxicity is incorrect; some traditionally-used plants can present toxicity. The well-established popular use of Ageratum conyzoides has led to its inclusion in a category of medicinal crude drugs created by the Brazilian Health Surveillance Agency. Ageratum belongs
Rev. bras. farmacogn.. Publicado em: 26/03/2013
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23. Estudo da atividade tipo-ansiolítica das folhas de Pimenta pseudocaryophyllus (Gomes) L.R. Landrum - Myrtaceae / Anxiolity - like activity of the leaves of Pimenta pseudocaryophyllus (Gomes) L.R. Landrum - Myrtaceae
Pimenta pseudocaryophyllus, popularly known as Craveiro, is the only species in this genus native to the cerrado of Brazil. Ethnopharmacological studies revealed medicinal use of P. pseudocaryophyllus extracts in treating menstrual and digestive problems as well as emotional tension in the form of soothing tea among other therapeutic applications in Brazilia
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/02/2012
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24. Preparation of pellets containing Pothomorphe umbellata extracts by extrusion-spheronization: improvement of 4-nerolidylcatechol photostability
Pothomorphe umbellata (L.) Miq., Piperaceae, has been extensively used in Brazilian folk medicine and it is well known for its strong antioxidant properties. However, its main active constituent, 4-nerolydilcatechol (4-NC), is sensitive to ultraviolet and visible light, which can limit the use of intermediate and final herbal preparations of this species. In
Rev. bras. farmacogn.. Publicado em: 06/11/2012