Phytochemical
Mostrando 37-48 de 575 artigos, teses e dissertações.
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37. Antioxidant potential of various solvent extract from Morus alba fruits and its major polyphenols composition
RESUMO: As condições de extração são um fator importante no processo de obtenção de compostos bioativos da matriz vegetal. Estes compostos diferem-se estruturalmente. As estruturas de fito conjugações e suas interações com outros ingredientes alimentares não são totalmente conhecidas, enquanto esses dois aspectos devem desempenhar um papel sign
Cienc. Rural. Publicado em: 13/12/2019
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38. Phytochemical study of Waltheria viscosissima and evaluation of its larvicidal activity against Aedes aegypti
Abstract The species Waltheria viscosissima A.St.–Hil, Malvaceae, which is known as ‘malva-branca', is traditionally used in the Brazilian northeast for the treatment of coughs. This research looks towards reporting the isolation of phytoconstituents of W. viscosissima, as well as the quantification of its phenolics, total flavonoid content, and free rad
Rev. bras. farmacogn.. Publicado em: 09/12/2019
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39. Phytochemical screening and anti-implantation activity of Asparagus africanus root extract in female Sprague–Dawley rats
Abstract Asparagus africanus Lam., Asparagaceae, is used traditionally as medicinal plant for treatment of various gastrointestinal disorders and for birth related applications. This study aimed to evaluate anti-implantation potential, screening for bioactive phytochemicals and to determine its toxicity. Thirty healthy rats were distributed into five groups
Rev. bras. farmacogn.. Publicado em: 09/12/2019
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40. Morphological, phytochemical and anti-hyperglycemic evaluation of Brachychiton populneus
Abstract Brachychiton populneus (Schott & Endl.) R.Br., Malvaceae, is one of five Brachychiton species cultivated in Egypt. Little information was found concerning the morphological, phytochemical and biological investigations of B. populneus. Morphological investigations of B. populneus were performed on fresh and dried leaves. Air-dried, ground leafy branc
Rev. bras. farmacogn.. Publicado em: 09/12/2019
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41. Rhus coriaria (sumac) extract reduces migration capacity of uterus cervix cancer cells
Abstract Uterus cervix cancer is one of the most common malignant gynecological tumors in women globally. Its standard treatment includes radiotherapy and chemotherapy are considered highly toxic, expensive and exhaustive for patients. Medicinal plants became increasingly a better and a safer alternative therapeutic approach. Rhus coriaria L., Anacardiaceae,
Rev. bras. farmacogn.. Publicado em: 09/12/2019
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42. Chemical characterization and toxicological assessment of hydroethanolic extract of Mandevilla velame xylopodium
Abstract The present study was aimed to characterize the chemical profile and evaluate the cytotoxicity and sub-chronic toxicity of the hydroethanolic extract of the xylopodium Mandevilla velame (A.St.-Hil.) Pichon, Apocynaceae. Chemical profile was analyzed by high performance liquid chromatography. Cytotoxic potential of hydroethanolic extract of the xylop
Rev. bras. farmacogn.. Publicado em: 09/12/2019
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43. Lantana camara: Phytochemical Analysis and Antifungal Prospective
RESUMO: Neste estudo, foi feita uma análise fitoquímica e do potencial antifúngico in vitro de frutos, folhas e caule de Lantana camara L. A análise fitoquímica indicou a presença de alcaloides, flavonoides, taninos, saponinas, glicosídeos e terpenoides em frutos, caule e folhas de L. camara. A atividade antifúngica in vitro de frutos, caule e folhas
Planta daninha. Publicado em: 02/12/2019
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44. Documentation of Folk Herbal Uses of Medicinally Important Wild Vegetables Used by the Tribal Communities of Sargodha Region, Pakistan
RESUMO: Este estudo preliminar fornece o consumo tradicional de vegetais silvestres que crescem principalmente como plantas daninhas (> 50%) e que também são medicinalmente importantes nas comunidades rurais da região de Sargodha, Paquistão. Por meio de diferentes pesquisas e entrevistas com informantes-chave, foram coletados dados sobre percepção, col
Planta daninha. Publicado em: 02/12/2019
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45. Phytochemical management of root knot nematode (Meloidogyne incognita) kofoid and white chitwood by Artemisia spp. in tomato (Lycopersicon esculentum L.)
Resumo Experimentos in vitro e de triagem foram conduzidos para investigar a eficácia de treze constituintes fitoquímicos de Artemisia elegantissimia e A. incisa no nematóide de galhas, Meloidogyne incognita em tomateiro (Lycopersicon esculentum L.) cv. Rio Grande. Um controle positivo (carbofuran) e controle negativo (H2O) também foram utilizados para c
Braz. J. Biol.. Publicado em: 02/12/2019
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46. Extract of Ellagitannins starting with Strawberries (Fragaria sp.) and Blackberries (Rubus sp.)
Abstract Characterize the content of phytochemical compounds present in samples of extracts of strawberry (Fragaria sp.) and blackberry (Rubus sp.). The extraction of said compounds was carried out with solutions of polar solvents, such as acetone, ethanol and methanol, using an experimental design with three factors: state of maturity, resting time and temp
Food Sci. Technol. Publicado em: 25/11/2019
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47. Biologically Synthesized Silver Nanoparticles for Enhancing Tetracycline Activity Against Staphylococcus aureus and Klebsiella pneumoniae
Abstract Phytochemical content of plant extracts can be used effectively to reduce the metal ions to nanoparticles in one-step green synthesis process. In this study, six plant extracts were used for the synthesis of silver nanoparticles (AgNPs). Biologically synthesized AgNPs was characterized using UV-Vis Spectrophotometer, Field Emission Scanning Electro
Braz. arch. biol. technol.. Publicado em: 25/11/2019
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48. Different effects of heating and freezing treatments on the antioxidant properties of broccoli, cauliflower, garlic and onion. An experimental in vitro study
ABSTRACT BACKGROUND: Vegetables have some beneficial effects on human health due to their antioxidant compounds, like polyphenols. Cooking leads to many physical and chemical changes to plant structure that can alter the phytochemical compounds of vegetables. OBJECTIVES: To investigate the effects of heat treatment and freezing on the antioxidant propert
Sao Paulo Med. J.. Publicado em: 07/11/2019