Hptlc
Mostrando 1-12 de 43 artigos, teses e dissertações.
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1. CARACTERIZAÇÃO E CONTROLE DE QUALIDADE DE ÓLEOS DE COPAÍBA (COPAIFERA SP.) UTILIZANDO DETECÇÃO DE MARCADORES POR FATOR DE RETENÇÃO RELATIVA EM HPTLC
Copaiba oilresins present medicinal uses that demand the development of methodologies that could ensure the authenticity and guarantee the species differentiation. The usual way to differentiate the copaiba oils is analyze the terpene composition, mainly the diterpenic acids profile. Unlike caryophyllene and its oxide, copaiba diterpenes are not commercially
Quím. Nova. Publicado em: 20/07/2020
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2. Simultaneous HPTLC quantification of three caffeoylquinic acids in Pluchea indica leaves and their commercial products in Thailand
ABSTRACT In Thai traditional medicine, Pluchea indica (L.) Less., Asteraceae, leaf has been widely used for the treatment of diabetes mellitus, tumors, hypertension, cystitis, and wounds. P. indica herbal tea is commercially available in Thailand as a health-promoting drink. The study was conducted to develop and validate a high-performance thin-layer chroma
Rev. bras. farmacogn.. Publicado em: 27/05/2019
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3. Chromatographic profiles of extractives from leaves of Eugenia uniflora
ABSTRACT Eugenia uniflora L., Myrtaceae, popularly known as “pitanga”, is used in traditional medicine due the properties attributed to its chemical content, these being mainly hydrolysable tannins and flavonoids. This study provides a qualitative and quantitative evaluation of chemical profile from leaves of E. uniflora. The HPLC analysis was carried ou
Rev. bras. farmacogn.. Publicado em: 2018-01
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4. Development and validation of a HPTLC method for analysis of Sunitinib malate
ABSTRACT A simple high performance thin layer chromatography (HPTLC) has been developed and validated for determination of sunitinib malate and possible impurities. The samples were applied in forms of bands on an aluminum TLC plate pre-coated with silica gel and were separated using dichloromethane: methanol: toluene: ammonia solution as the mobile phase. S
Braz. J. Pharm. Sci.. Publicado em: 2016-12
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5. A validated and densitometric HPTLC method for the simultaneous quantification of reserpine and ajmalicine in Rauvolfia serpentina and Rauvolfia tetraphylla
ABSTRACT High performance thin layer chromatographic method (HPTLC) has been developed for the quantification of reserpine and ajmalicine in root part of two different population of Rauvolfia serpentina (L.) Benth. ex Kurz and Rauvolfia tetraphylla L., Apocynaceae, collected from Punjab and Uttarakhand. HPTLC of methanolic extract of root containing indole a
Rev. bras. farmacogn.. Publicado em: 2016-10
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6. Validated high performance thin layer chromatography method for the quantification of bioactive marker compounds in Draksharishta, an ayurvedic polyherbal formulation
ABSTRACT Draksharishta is an ayurvedic polyherbal formulation with Draksha (Vitis vinifera L., Vitaceae) as chief ingredient prescribed for digestive impairment, respiratory disorders and weakness. These herbal medicines containing biologically active compounds play a significant role. Therefore it is necessary to carry out the chemical standardization of bi
Rev. bras. farmacogn.. Publicado em: 2016-10
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7. Comparative HPTLC analysis of bioactive marker barbaloin from in vitro and naturally grown Aloe vera
ABSTRACT Aloe vera (L.) Burm. f., Xanthorrhoeaceae, a succulent, produces barbaloin, a bioactive compounds used in various pharmaceutical products. Extracts prepared from the leaves have been widely used as bittering agents, taste modifiers and also as cathartic agent against severe constipation. Barbaloin is reported for its anti-inflammatory, anticancer, a
Rev. bras. farmacogn.. Publicado em: 2016-04
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8. Lipidomic Profiling of Mastoid Bone and Tissue from Patients with Chronic Otomastoiditis
Introduction Chronic otomastoiditis causes pain, otorrhea, and hearing loss resulting from the growth of tissue within the normally hollow mastoid cavity.
Objectives In this report, we used a lipidomics approach to profile major mastoid bone and tissue lipids from patients with and without otomastoiditis
Int. Arch. Otorhinolaryngol.. Publicado em: 2015-06
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9. 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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10. Henna through the centuries: a quick HPTLC analysis proposal to check henna identity
Henna leaves are the raw material of commercial body and hair dyes. According to historical and ethnobotanical information, henna was one of the first plants used for such purpose. However, differences can be observed between henna products by the origin of the raw material, the presence of other plants, or the addition of various contaminants that may cause
Rev. bras. farmacogn.. Publicado em: 2014-04
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11. Bioanalytical method development and validation for determination of metoprolol tartarate and hydrochlorothiazide using HPTLC in human plasma
Um método simples, sensível, rápido e econômico empregando a cromatografia em camada delgada de alta eficiência (HPTLC) foi desenvolvido para determinação do tartarato de metoprolol e hidroclorotiazida em plasma humano, usando paracetamol como padrão interno. Placas prontas de sílica-gel 60F254 (20 cm×10 cm), 250 µm de espessura, para HPTLC Camag
Braz. J. Pharm. Sci.. Publicado em: 2013-12
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12. Evaluation of goitrogenic and antithyroidal effect of the fern Adiantum capillus-veneris
Adiantum capillus-veneris L., Pteridaceae, is a fern reputed to have numerous applications in traditional medicine in the treatment of leprosy, animal bites, thyroid dysfunction and musculoskeletal disorder.The proposed study was aimed to investigate the potency of the fern Adiantum capillus-veneris on the thyroid dysfunction - hypothyroidism in terms of det
Rev. bras. farmacogn.. Publicado em: 2013-10