Navegando por Assunto "Arrabidaea chica"

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Análise farmacognóstica das folhas de Arrabidaea chica (Humb. & Bonpl.) B. Verlt., Bignoniaceae
(2010-05) ALVES, Mauro Sérgio Marques; MENDES, Patrizia Cardoso; VIEIRA, Janaína Gell de Pontes; OZELA, Eliana Ferreira; BARBOSA, Wagner Luiz Ramos; SILVA JÚNIOR, José Otávio Carréra
Arrabidaea chica (Humb. & Bonpl.) B. Verlt. is a Bignoniaceae widely used in the popular medicine as anti-inflammatory and astringent agent, and for some illnesses as intestinal colic, diarrhoeas, anaemia and diseases of the skin. Its biological properties and dye biosynthesis lead the species to be used in the cosmetic industry. The use of natural products of vegetal origin implies in pharmacognostic quality control and purity assays that compose the technical specifications of the material. Therefore, the anatomical description of mature and young leaves of A. chica was carried through the use of optic microscopy on histological preparations. The leaves are hipostomatic and dorsiventral with heterogeneous mesophile. In petiole, the epidermis is unistratified, it contains trachoma and it is endowed with thin cuticle. The pharmacopoeia assays included the determination of the grain size distribution of the plant drug, the determination of humidity and the total ashes, beyond the phytochemistry approach of tincture, to establish parameters for its quality control.
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Arrabidaea chica (HBK) Verlot: phytochemical approach, antifungal and trypanocidal activities
(2008-12) BARBOSA, Wagner Luiz Ramos; PINTO, Lucianna do Nascimento; QUIGNARD, Etienne Louis Jacques; VIEIRA, José Maria dos Santos; SILVA JÚNIOR, José Otávio Carréra; ALBUQUERQUE, Sérgio de
Arrabidaea chica (HBK.) Verlot (Bignoniaceae) vernacular name "Pariri", is a climbing shrub, widespread from South Mexico to Guyana and central Brazil and is traditionally indicated to treat symptoms of inflammations and skin affections. Its ethanol extract was chemically investigated and tested against yeasts and dermatophytic fungi. The trypanocidal activity of the same extract was also evaluated. This work reports the isolation of three flavonoids, the total growth inhibition of Trichophyton mentagrophytes and a significant trypanocidal effect of the ethanol extract and its fractions. No relevant acute toxicity was detected even at a dose of 1000 mg/kg
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Avaliação de minerais em plantas medicinais amazônicas
(2009-06) MARTINS, Alexsandro Sozar; ALVES, Claudio Nahum; LAMEIRA, Osmar Alves; SANTOS, Alberdan Silva; MÜLLER, Regina Celi Sarkis
The Amazonian Brazilian offers an appreciable potential of plants with therapeutic properties, although most are little known. In this way, with the objective of verifying the potentiality nutritional of medicinal herbs, a work was developed to determine the concentration of Ca, Mg, Fe, Cu and Zn in the leaves and in the teas of these species: Piper callosum Ruiz & Pav., Piperaceae, Mikania lindleyana DC., Asteraceae e Arrabidaea chica (Humb. & Bonpl.) B. Verl., Bignoniaceae. After the plants samples have been processed, they were submitted to digestion and soon afterwards the metals were analyzed in an spectrophotometer of Atomic Absorption. The results showed the follow yields: for the tea of Arrabidaea chica Ca were detected (6955 to 20058 mg/L), Mg (2390 to 3094 mg/L) and Fe (40 to 61 mg/L). For the tea of Mikania lindleyana besides the presence of high values of Ca (17722 to 22336 mg/L), Mg (4531 to 9370 mg/L) and Fe (20 to 87 mg/L) they were found from 7 to 16 mg/L of Cu and 9 to 41 mg/L of Zn. The tea of the Piper callosum presented 2036 to 4344 mg/L of Ca, 618 to 4023 mg/L of Mg and 39 to 60 mg/L of Fe. Being compared the results of the minerals with the values recommended by the Health World Organization, is possible that the present metals in the teas of the plants could contribute in the complementation of the people's alimentary diets that use these medicinal plants.
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Caracterização farmacognóstica, química, físico-química e estudos preliminares de pré-formulação da Arrabidaea chica (Humb. & Bonpl.) B. Verlt.
(Universidade Federal do Pará, 2008-10-22) ALVES, Mauro Sérgio Marques; SILVA JÚNIOR, José Otávio Carréra; http://lattes.cnpq.br/4437885351749994
This work aimed the physical, chemical, physico-chemical and preformulations characterizing of Arrabidaea chica (Humb. & Bonpl.) B. Verlt., belonging to the family of Bignoniacae, which receives several denominations, and in the Amazon region is known popularly as pariri, that is widely used in popular medicine for the treatment of many diseases, such as skin infirmities caused by dermatitis and eczema. The use of natural products from vegetal origin requires the pharmaco-botanical quality control and pureness analysis which sets the species technical specifications. Therefore, it was made an anatomical description of the young and mature leaves of the plant from observations made at the optic microscope in histological cuts. The pharmacological tests included the determination of the granulometrical distribution of the plants powder, determination of the humidity purport and of total ashes and, about the dyeing, it was made pH, relative density and solids purport determinations, and also it was made the chemical prospection, the chromatographic profile by thin-layer chromatography (TLC) and the highperformance liquid chromatography (HPLC), besides the valuation of its microbial activity. To the powder as well as the dyeing of the A. chica observed the profiles by spectroscopy in the infrared region and thermal profiles by TGA and DTA. Some studies of preformulation were made by spectroscopy in the infrared region and thermal analysis (TGA and DTA) of the binary mixtures of the formula adjuvants suggested to spread the dye, with the purpose to evaluate possible incompatibilities between the dye and these elements. The results obtained evidenced that the A. chica dye demonstrated to adjust to the aim demanded, moreover it assured the compatibility to the tested adjuvants to constitute the proposed formula, once none clue of physical or chemical incompatibilities were observed among them. The studies provided relevant basis to the development of the proposed formula, seeking to obtain quick results with the wished accuracy.
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Desenvolvimento e caracterização tecnológica de micropartículas de arrabidaea chica (h & B) B. Verl. obtidas por spray dryer
(Universidade Federal do Pará, 2012-08) SAMPAIO, Rita de Cássia Almeida; BARBOSA, Wagner Luiz Ramos; http://lattes.cnpq.br/1372405563294070; SILVA JÚNIOR, José Otávio Carréra; http://lattes.cnpq.br/4437885351749994
This work aimed the technological development of particulate dosage forms obtained from extraction solution (tincture) from aerial parts of Arrabidea chica (Pariri), using the spray drying. We investigated the influence of processing aids (maltodextrin and arabic gum, alone and in a mixer) in drying performance and product properties. A. chica tincture was concentrated on a rotary evaporator to obtain the concentrated extract (CE) which was added to the processing aids and subjected to spray drying. The drying process was assessed through determination of product recovery and thermal efficiency. Microparticles (ES) were evaluated for residual moisture, water activity, average particle diameter, bulk density, packing density and flow properties, thermal profile and IR spectroscopy. The chemical monitoring was performed by UV-vis spectrophotometer, using chemical marker flavonoids (Ft), polyphenols (Pt) and total tannins (Tt) in the A. chica. The antioxidant activity of the product was evaluated by DPPH and chemiluminescence. The moisture content of the ES had their values in the range 2.77 to 4.69% being within the specified. The water activity values were below 0.2, which supports the physical and chemical stability and microbiological of dried products. The percentage of degradation of chemical markers in ES regard to CE was in the range 24-46% for Ft, 48-56% for Pt and 53-72% to Tt, which may be associated with thermal degradation and oxidation of the same compounds. In TLC analysis, tincture, CE and ES showing the luteolin and kaempferol patterns indicate that the drying process does not cause the loss of these compounds. The particle size distribution shows that the ES showed an average diameter of about 10 μm and the particles had a spherical morphology and with some rough surface. The flowability indices and accommodation of the powders obtained results are typical of powders with low flowability and compressibility characteristics. The antioxidant activity of ES presented values between 32.17 to 44.53 mg / mL. In the colorimetric analysis, the parameters proved the yellowish-red color. The recovery of product was in the range 60-65% and the thermal efficiency values were between 36% and 39%. Analyses of infrared spectroscopy and thermal analysis proved important tools in the physico-chemical characterization and quality control systems microparticulate obtained.
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Investigação fitoquímica biomonitorada da tintura 70% de Arrabidaea chica (Humb. & Bompl.) Verlot
(Universidade Federal do Pará, 2011) RIBEIRO, Jeane Francisca Alves; SILVA JÚNIOR, José Otávio Carréra; http://lattes.cnpq.br/4437885351749994; BARBOSA, Wagner Luiz Ramos; http://lattes.cnpq.br/1372405563294070
The Arrabidaea chica (H & B) Verlot, popularly known as Pariri or crajirú. Scandentia is a small shrub about 2.5 m high, occurring from southern Mexico to central Brazil, is common in the Amazon, where it is used by Indians for body painting.Popularly tea leaves is indicated for inflammation, anemia, intestinal cramps, regulate menstruation, diarrhea, among others. Recent studies have shown its antioxidant activity and wound healing in vivo and in vitro, and antifungal activity against Trichophyton mentagrophytes and trypanocidal effect. This paper aims to contribute to the validation of the claim of use and to standardize the form of employment A. chica herbal medicine as a resource, since it is in RENISUS. The ethanolic and aqueous extracts of the plant were investigated for their secondary metabolites. Parameters were determined for quality control of the plant drug, through grading, drying powder loss and total ash.Besides the chromatographic profiles obtained by TLC, CLV, LC-MS and LC - DAD. The plant meets the parameters of quality control in accordance with the literature. A CCD profile obtained with the eluent Hexane / Acetone / MeOH (67,5:27,5:5) and revealed with NP / PEG revealed a band with Rf = 0.17 with yellow fluorescence characteristic of flavonoids. In the profile of HPLC - DAD chromatograms were obtained with characteristics of quinones and flavonoids as well. From these results, the work was directed to the isolation, initially with the FAE by fractionation of CLV and analysis of resulting fractions by HPLC-DAD, and as a result suggested the presence of a flavonoid apigenin derivative of the flavonol. The microbiological results corroborate some of its popular uses thus contributing to validate the form of alleged use of the plant.
Acesso aberto (Open Access)
O potencial da Arrabidaea chica (pariri) como indicador naturalácido-base: uma proposta para o ensino de ciências.
(Universidade Federal do Pará, 2023-03-24) SILVA, Vanderlane Suelen da Silva e; SOUSA JUNIOR, Pedro Moreira de; http://lattes.cnpq.br/3194428833833524; https://orcid.org/0000-0002-6964-562X; PEREIRA, Simone de Fátima Pinheiro; http://lattes.cnpq.br/6059412003152989; https://orcid.org/0000-0002-2556-211X
Experimentation is a good teaching strategy that contributes to teaching and learning in natural sciences. Among the various science subjects that can be worked on through experimentation, it is worth mentioning the acidity and basicity of substances, as it is a topic that is present in the student's daily life. Under such a scenario, the acid and base themes can be studied through natural indicators, these are natural extracts that have anthocyanins as a base, and they are pigments of the flavonoid class that can be used to determine the pH of various samples. In this sense, Arrabidaea chica popularly known as Pariri is one of several plants that contain anthocyanin. Thus, the present study aimed to identify the acid-base indicator properties of the plant extract of the A. chica species, considering its use as a natural indicator for testing the pH of drinking water and rainwater applied in science teaching. For this, the research was developed in 3 stages: preparation of the alcoholic extract of A. chica, application of the alcoholic extract of A. chica as a pH indicator with students of the 9th grade of elementary school at the Public school Maria Conceição Malheiro in Irituia-PA and the composition of the educational product. The final product of the research was a booklet that addressed the pH of drinking water and how to create a natural pH indicator from the alcoholic extract of A. chica. It is concluded that the A. chica extract can be used as a pH indicator, showing a very satisfactory acid-base color change when applied to the tested samples. It was also evident that there was a great involvement of students and teachers with the proposed experience and how the approximation of scientific knowledge with students' daily lives can favor the teaching-learning process. The final product of the research, when applied to the teachers, had a satisfactory response in the School that was the object of this study and could help other teachers from other places.