José Eduardo B. Pinto

Universidade Federal de Lavras (UFLA) | UFLA · Departamento de Agricultura

Green manure (GM) may reduce the use of chemical fertilizers, been an ecologically appropriate strategy to cultivation of medicinal plants. Crotalaria juncea, is one of the most used because it adapts to different climatic and high nitrogen content. Origanum vulgare. is widely used in cooking, pharmaceutical, cosmetic industries and food products....

Abstract The phenolic compound content, the antioxidant and α-amylase inhibition potentials of different extracts of the Plectranthus amboinicus, P. barbatus and P. ornatus were evaluated. We also evaluated the influence of plant growth and harvest time on the chemical composition of the essential oil (EO) of P. amboinicus, its antioxidant and anti...

Pogostemon cablin (Blanco) Benth. is an aromatic species popularly known as patchouli. The essential oil rich in patchoulol extracted from leaves is used by the pharmaceutical industries. The objective was to investigate the effects of shade nets and shading intensities on P. cablin growth, anatomy, chemical composition and essential oil content. T...

The use of arbuscular mycorrhizal fungi (AMFs) during cultivation is a promising possibility to increase biomass and essential oil yield of medicinal plants. The objective of the present study is to observe the influence of AMFs and fertilization with organic manure (OM) on Melissa officinalis growth, phenols, flavonoids, and on the chemical compos...

Lippia rotundifolia Cham. is an endemic and endangered plant found in the savanna that is aromatic and rich in monoterpenes. The aims of the study were to evaluate the influence of plant growth regulators on the growth and chemical analysis of L. rotundifolia by headspace/GC–MS. Nodal segments (1.0 cm) were cultured on basal Murashige & Skoog (MS)...

The purpose of the present work was to evaluate the vegetative growth of Mentha piperita L. cultivated under different water availability, as well its influence in content, chemical composition and in vitro antioxidant activity of its essential oil. Plants were propagated by mother plants microcutting and scions were transplanted to 5 L pots with s...

ARTICLE INFO ABSTRACT Piper aduncum L., conhecido como pimenta-de-macaco, é um arbusto produtor de óleo essencial, com uso promissor tanto na agricultura como na medicina, devido à sua ação inseticida e fungicida. Embora haja interesse comercial pela espécie, são escassos os estudos sobre o seu ambiente de cultivo. Dentre as tecnologias utilizadas...

Mentha viridis (Lamiaceae) has a great potential for economic exploration due to its essential oil production, which is widely used in chemical and pharmaceutical industries. The aim of this work was to study the effect of light spectra, in the presence and absence of growth regulators (BAP), and light intensity on M. viridis growth and production...

The influence of different culture media, strength MS media and plant growth regulators (PGR) was assessed through the growth and production of the volatile fraction composition in Ocimum basilicum (basil). The treatments were: the use of different culture media (MS, B5 and WPM), strength MS media (2MS, MS, ½MS and ¼MS) and different PGR combinatio...

The mesos components are the nutrients required by intermediate concentrations and recently, it are identified as one of the most influential groups of nutrients in Murashige and Skoog medium. Dysphania ambrosioides L. is a medicinal species used mainly as anti-helminthic around the world. The aim of the present study is to assess this species’ gro...

The purpose of this investigation was to determine the influence of colored shade nets on the growth, anatomy and essential oil content, yield and chemical composition of Pogostemon cablin. The plants were cultivated under full sunlight, black, blue and red nets. The harvesting was performed 5 months after planting and it was followed by the analys...

The aim of this study was to evaluate the effects of organic fertilizer sources on the biomass production, yield and chemical composition of peppermint (Mentha piperita L.) essential oil. The experiment was conducted using a completely randomized design (CRD) with a 2 × 5 factorial scheme, two sources of manure (cattle and poultry), five doses (0,...

Tribulus terrestris L., Zygophyllaceae, is popularly known in Brazil as “abrolhos”, “videira da punctura”, among others. Pharmacological studies suggest that the species has aphrodisiac action, antihypertensive, antibacterial and antioxidant activities. Extracts of this species contain, mainly, steroidal saponins, alkaloids and flavonoids. 1 The ai...

Resumo A batata-doce (Ipomoea batatas (L.) Lam) é uma hortaliça amplamente cultivada em regiões tropicais e subtropicais. Entretanto, apresenta baixa produtividade devido à utilização de materiais genéticos obsoletos e susceptíveis a pragas e doenças. O cultivo in vitro de meristemas tem sido uma forma de se obter plântulas de batata-doce livres de...

A espécie Justicia pectoralis (Jacq) (Acanthaceae) é conhecida popularmente como chambá, chachambá, trevo-cumaru e anador. É utilizada na medicina popular, no tratamento de doenças respiratórias, infecções pulmonares e reumatismo. Ainda são muito escassas as informações disponíveis sobre o comportamento das plantas medicinais, aromáticas econdiment...

The aim of the current study is to investigate the influence of light intensity, quality of light and alternative membrane sytems on the growth and headspace-GC/MS chemical analysis of Plectranthus amboinicus cultivated in vitro. Nodal segments were grown under light intensities (26, 51, 69, 94 and 130 µmol m⁻² s⁻¹) provided by cool-white fluoresce...

RESUMO-Objetivou-se demonstrar os efeitos da utilização de lâmpadas LEDs na fisiologia de plantas cultivadas. Diodos de emissão de luz (LED) têm sido propostos como fonte luminosa para ambientes controlados ou em câmaras de crescimento de plantas, pois apresentam características desejáveis para o desenvolvimento de plantas. O desenvolvimento e a fi...

The monkey-pepper (Piper aduncum L.) is an herbaceous species and essential oil producer, with biological activities such as insecticidal, antimicrobial, larvacidal and others. The cultivation of the plant is still incipient, being necessary to know the influence of some factors, among them, the light. Thus, the effects of different lighting condit...

The present study reports the first efficient in vitro regeneration of Ananas erectifolius via indirect organogenesis. Leaf segments (leaf base, middle, and apex) excised from 3- or 5-week-old in vitro plantlets were cultured on 1/4 strength MS medium supplemented with different concentrations and combinations of plant growth regulators. The explan...

The aim of this study was to assess the sperm quality and testicular histomorphometry of Wistar rats supplemented with extract and fractions of fruits of Tribulus terrestris L. The ethanolic extract was obtained by dynamic maceration of spray-dried fruit. This extract was fractionated by liquid-liquid partition, using increasing polarity solvents....

This study evaluated in vitro multiplication and volatile production of yarrow (A. millefolium L.) a medicinal plant, with different Thidiazuron (TDZ) concentrations. Explants with 10 mm length were inoculated into flasks containing 40 mL of Murashige and Skoog (MS) medium supplemented with 0.25, 0.50, 0.75 and 1.00 mg L-1 TDZ, and the control with...

Atroveran (Ocimum selloi Benth. - Lamiaceae) is medicinal plant used for digestive disturbs and inflammation. The objectives of this study were to establish nodal segments, seed germination and in vitro plantlet growth on sucrose and different basal salt concentrations, as well as plantlet acclimatization in different substrates. For establishment...

The efficacy of Ocimum selloi essential oil was evaluated for controlling the growth of mycelia and spores germination Moniliophthora perniciosa. Six compounds (99.89%) of the total oil were identified by GC-MS, of which methyl chavicol, methyl eugenol,-caryophyllene, germacrene-D, bicyclogermacrene and spathulenol. Essential oil was tested for ant...

Ocimum selloi is an herbal species popularly used in Brazil as antispasmodic. Herein, we report the antispasmodic effect of O. selloi essential oil (OS) in segments of guinea-pig ileum. OS did not reduce the tonus of the ileum. In contrast, OS reduced the contraction induced by carbachol (100 μM), BaCl2 (0.03 M) and low- and high-K(+) concentration...

The main purpose of this study was to evaluate aspects of leaf anatomy, morphology of vegetative organs and biomass production in Copaifera langsdorffii saplings developed under heat shock treatment. Seeds were collected and germinated in BOD chamber at 30 °C. After thirty days, the seedlings with the first pair of fully expanded leaves were transp...

O objetivo do trabalho foi avaliar a caracterização morfológica e agronômica de dois grupos de acessos de curauá do Banco Ativode Germoplasma da Embrapa Amazônia Oriental. Os acessos foram avaliados de acordo com a idade das plantas, com 6 meses (15 acessos) e 12 meses (26 acessos). Os descritores utilizados foram: comprimento, largura, relação com...

The aim of this study was to evaluate the potential of essential oils derived from Hyptis marrubioides, Aloysia gratissima and Cordia verbenacea for controlling Asian soybean rust. The inhibitory activities of the essential oils (applied in a concentration range of 0.05 - 2%) on the germination of Phakopsora pachyrhizi urediniospores were investiga...

The objective was to evaluate plant growth, content, yield and chemical composition of essential oil of peppermint (Mentha piperita) grown under different nets and intensities of light. The plants were grown under the black net and aluminized net with different shading levels (0, 30, 50 and 70%). The harvest was done 4 months after plating. Foliar...

Fertilization of the soil with organic fertilizers has been gaining importance within the concept of sustainable crop production. This study aimed evaluates the effects of dosages of cattle and poultry manure on Achillea millefolium L. as regards the vegetative growth and the content and chemical composition of its essential oil. For the cattle man...

The objective of the present work was to induce chromosome doubling in genotypes of Brachiaria ruziziensis with potential for production of good-quality biomass and tolerance/resistance to stress caused by aluminum and spittlebugs. Germinated seeds of B. ruziziensis were immersed in 0.1% colchicine solution for 2 or 3 hours. Ploidy level was determ...

Sabe-se que uma grande porcentagem da produção e do armazenamento dos grãos de feijão é perdida pelo consumo de insetos. Este trabalho teve como objetivo avaliar a atividade inseticida do óleo essencial de Hyptis marrubioides no controle de Zabrotes subfasciatus. A extração do óleo essencial foi realizada pelo método de hidrodestilação em aparelho...

The species Piper aduncum is a plant with great economic potential, because the essential oil has antimicrobial activity and insecticides. Thus, as the light directly affects photosynthesis process, the present study evaluated the gas ex-changes' variables and photosynthetic pigments' production of P. aduncum grown under different irradiances. Trea...

Vernonia condensata Baker, 1875 (Asteraceae) is a medicinal plant from Brazil considered as a host plant of leafhopper pests in agricultural crops. Aethalion reticulatum Linnaeus, 1767 (Hemiptera: Aethalionidae) was observed in V. condensata in Lavras county, Minas Gerais State, Brazil. Immature and adult individuals of A. reticulatum were collecte...

Aiming to evaluate different antioxidants in the oxidation, germination and development of the seedlings in the in vitro embryo culture of the guarirobeira (Syagrus oleracea (Mart.) Becc.), an experiment was conducted in the Plant Tissue Culture Laboratory of the Universidade Federal

The leaves of Mikania laevigata and Mikania glomerata are used in Brazil to treat respiratory affections, being kaurane-type diterpenes and coumarin considered as the bioactive compounds. The present study reports an investigation on the HPLC-DAD profiles and contents of coumarin (1), trans-o-coumaric (2), kaurenoic (3), benzoylgrandifloric (4) and...

Mentha x piperita L. is an aromatic and medicinal species belonging to the family Lamiaceae that is popularly known as peppermint. The aim of this study was to evaluate the effects of organic fertilizer sources on the biomass production, yield and chemical composition of peppermint (Mentha piperita L.) essential oil. The experiment was conducted us...

Stem blight progress in roselle was studied in four periods and two planting methods. Experimental design was in randomized blocks with four replicates and eight treatments in 4 (periods) x 2 (planting methods) factorial arrangement: direct sowing on 05/02/03, 06/03/03, 05/04/03, 15/05/03 and seedling transplanting on 24/12/02, 25/01/03, 24/02/03,...

This research was carried out to evaluate the intensive effect and spectral light quality transmitted by the shading nets related to Mentha arvensis plants growth, content and chemical composition. Two evaluations were performed, one 85 days after planting and the other one 80 days after plants reshoot. The experimental design was randomized comple...

We assessed the qualitative and quantitative changes in the essential oil derived from the leaves of Ocimum basilicum L. stored in different types of packaging. The effect of storage temperature on the oil from fresh leaves was also investigated. There were no significant differences in the average yields of oil obtained from leaves stored in paper...

Coumarin (1) and kaurane-type diterpenes are considered the bioactive constituents of Mikania glomerata and M. laevigata, used in Brazil to treat respiratory affective disorders. The seasonal variation of 1, ortho-coumaric acid (2), benzoylgrandifloric acid (3), cinnamoylgrandifloric acid (4), and kaurenoic acid (5) in leaves of both species, culti...

The objective of the work was to evaluate the effect of essential oils as a preventive treatment to control Asian soybean rust. Initially the fungitoxic effect of the essential oils of Hyptis marrubioides, Aloysia gratissima and Cordia verbenacea was tested on the urediniospores of Phakopsora pachyrhizi, through in vitro tests. The in vivo test was...

Volatile oils from leaves and flowers of Aloysia gratissima were investigated for their chemical composition and antimicrobial activity against the bacteria Bacilus subtilis, Staphylococcus aureus, Salmonella choleraesuis, Pseudomonas aeruginosa, Streptococcus pneumoniae and the Candida albicans yeast. The minimum inhibitory concentrations (MIC) of...

Guaco Mikania glomerata Spreng. and M. laevigata Sch. Bip. ex Baker, Asteraceae, has antimicrobial activity and may be helpful in reducing the incidence of oral diseases. This double-blinded randomized clinical trial aimed to evaluate the efficacy of guaco mouthwashes on the disinfection of toothbrushes used by preschool children, tested positive f...

The aim of the study was to evaluate the antifungal activity of essential oils from "hortelã do campo" (Hyptis marrubioides), "alfazema-do-Brasil" (Aloysia gratissima) and "erva-baleeira" (Cordia verbenacea) and their efficacy in the treatment of soybean seeds infected with Colletotrichum truncatum. In vitro assays were performed to evaluate the ef...

Volatiles obtained from leaves, branches, pericarps and seeds of five specimens (Tree 1–5) of Copaifera langsdorffii growing wild in the municipality of Lavras, Southeastern part of Brazil were obtained by hydrodistillation (HD) and investigated by gas chromatography/flame ionization detector (GC/FID) and gas/chromatography/mass spectrometry (GC/MS...

Guaco (Mikania glomerata L. and Mikania laevigata L.) is listed as important plant for the public health system, especially for its bronchodilator and antimicrobial actions. “Objectives: ” This randomized clinical trial aimed to evaluate, in vivo, the contamination of toothbrushes by mutans streptococci (MS) after use on children, and the efficacy...

The objective of this work was to evaluate the growth and the content, yield, and chemical composition of the essential oil of peppermint (Mentha piperita) grown under different nets in Lavras, MG, Brazil. Peppermint plants were grown in five environments: full sun, black net, aluminet net, blue net, and red net, all with 50% of irradiance. The exp...

This study evaluated the effect of light, temperature, physiologic stage at harvest and length of time on the germination of Hyptis marrubioides seeds. Two trials were conducted. The first experiment was performed immediately after the seed harvest and consisted of a 2 x 3 x 3 factorial design with 2 environmental conditions (light and dark), 3 tem...

The present study was undertaken to develop the proliferation of sprouts in apical and nodal segments of Ocimum selloi with different BAP levels. Young plants aged 60 days were used as donors of nodal and apical segments. The segments were inoculated in MS medium at half the concentration of salts supplemented with 1.5% of sucrose and different BAP...

Plant models offer a method to examine the efficacy of homeopathic solutions. Homeopathic Phosphorus (P) dynamizations were evaluated on the linear growth and dry biomass of Verbena gratissima, a plant native to Brazil. The yields and chemical characterization of the essential oil are also given. Plants exhibited phenotypic plasticity after the hom...

This study aimed to evaluate the effects of organic fertilization at planting and dressing on the aboveground part dry biomass and on the content and yield of essential oil of mint (Mentha arvensis). The experiment consisted of two stages (harvests). A randomized complete block design was used, with three replications. At the first stage, five diff...

http://dx.doi.org/10.5007/2175-7925.2011v24n3p1 Mikania glomerata Sprengel é uma planta medicinal, largamente empregada na medicina popular, utilizada principalmente no tratamento de afecções respiratórias, que age dilatando os brônquios, sendo a cumarina uma das substâncias associadas a esse efeito. Por isso, entendimento do comportamento fisiológ...

Application of organic fertilizers to medicinal aromatic plants usually has a positive effect on biomass and essential oil production. Plectranthus neochilus Schlechter was cultivated with three organic fertilizer sources. This study evaluated the biomass production and content, yield and chemical composition of the essential oil. The seedlings, af...

This present work aimed to evaluate the effect of period and age the plants on harvest, dry biomass production, essential oil percentage content and storage period of mint (Mentha arvensis L.) plants. Two experiments were set: the first evaluated the effect of three harvest ages (80, 100 and 120 days) after transplanting, and three ages at the seco...

The aim of the present study was to evaluate the effect of temperature (15, 20, 25 and 30ºC), leaf wetness period (0, 6, 12 and 24 h), and planting time (September, October, November and December) and method (direct sowing and transplanting) on the intensity of stem blight (Botrytis cinerea) in Hibiscus sabdariffa. Environmental variables were eval...

This work had as purpose the induction of adventitious shoots on buds of curaua elongation shoots recovering in different culture medium with BAP and TDZ, in 0, 0.5, 1.0 mgL-1 concentrations. The elongation shoots were sectionated in segments having only on knot and inoculated horizontly in frasks. Randomized complete design was with 10 replication...

"Carqueja-amarga" [Baccharis trimera (Asteraceae)] is a species from the central south of South America. Qualitative and quantitative analyses were performed using the technique gas chromatography coupled to mass spectrometry to evaluate the effect of different post-harvest processing forms of drugs constituted of parts of "carqueja" on the chemica...

The aim of this study was to evaluate physiological and anatomical modifications in lemon balm plants, cultivated under thermo-reflector nets (Aluminet®) at different levels of shading, in order to understand the phenotypic plasticity in adaptation response to different light quantities. The treatments were characterized by plants subjected to full...

The objective of this work was to obtain protoplasts from napier grass and pearl millet triploid hybrids as a basis for future studies on chromosomal duplication. Explants were taken from mesophyll of in vitro- and in vivo-cultured plants or from calli of two triploid hybrids (H1 and H2), which were treated with enzymatic solutions containing diffe...

Essential oils are odorous principles stored in special plant cells. The essential oil in the Hyptis genus is traditionally used as an anesthetic, antispasmodic, anti-inflammatory, and can induce abortion in high doses. The purpose of this work was to evaluate the influence of seasons in essential oil content and chemical composition of species H....

Os oleos essenciais sao principios odoriferos armazenados em celulas especiais da planta. O oleo essencial no genero Hyptis e usado como anestesico, antiespasmodico, antiinflamatorio e pode induzir aborto em doses elevadas. O objetivo deste trabalho foi avaliar a influencia da sazonalidade no teor e composicao do oleo essencial de Hyptis marrubioid...

O atroveran ou elixir-paregórico (Ocimum selloi Benth.) é uma espécie aromática nativa do Brasil, produtora de óleo essencial rico em metil-chavicol. Neste trabalho, objetivou-se avaliar a influência da temperatura, luz e tempo de armazenamento em diferentes ambientes sobre a germinação e o vigor de sementes de O. selloi. Inicialmente, testou-se o...

"Atroveran" or "elixir-paregórico" (Ocimum selloi Benth.) is a Brazilian species that produces an essential oil rich in methyl chavicol. This work aimed to evaluate the influence of light, temperature and time of storage in different environments on the germination and vigor of O. selloi seeds. We initially tested the influence of presence and abse...

Ocimum basilicum L. cv. Maria Bonita is a medicinal aromatic plant of the Lamiaceae family, it is rich in essential oils with high industrial interest. The present work aimed to study the influence of leaf processing (whole and ground leaf) in two drying types (oven-drying at 38º C and room temperature using moisture dryer) on the content and chemi...

The hydrodistilled essential oil from aerial parts of Lychnophora pinaster Mart. was analyzed by GC and GC/MS. Plants were collected at 3-month intervals in a completely randomized design with six repetitions and the data was analyzed at the level of 5% of probability by Tukey's test. There was a significant difference for oil contents in the diffe...

This work evaluated the influence of organic manure in biomass production and in essential oil content of Aloysia triphylla (L'Hérit) Britton. Plants growing under greenhouse received five tanned cattle manure rates: 0, 3, 6, 9 and 12 kg m-2 with four pots per replication, in randomized complete design. After 198 days of growth, plants were dried a...