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piper auritum

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https://www.readbyqxmd.com/read/27695268/anti-advanced-glycation-end-product-and-free-radical-scavenging-activity-of-plants-from-the-yucatecan-flora
#1
Wendy Del C Dzib-Guerra, Fabiola Escalante-Erosa, Karlina García-Sosa, Séverine Derbré, Patricia Blanchard, Pascal Richomme, Luis M Peña-Rodríguez
BACKGROUND: Formation and accumulation of advanced glycation end-products (AGE) is recognized as a major pathogenic process in diabetic complications, atherosclerosis and cardiovascular diseases. In addition, reactive oxygen species and free radicals have also been reported to participate in AGE formation and in cell damage. Natural products with antioxidant and antiAGE activity have great therapeutic potential in the treatment of diabetes, hypertension and related complications. Objective: to test ethanolic extracts and aqueous-traditional preparations of plants used to treat diabetes, hypertension and obesity in Yucatecan traditional medicine for their anti-AGE and free radical scavenging activities...
October 2016: Pharmacognosy Research
https://www.readbyqxmd.com/read/25890066/in-vitro-antihelmintic-effect-of-fifteen-tropical-plant-extracts-on-excysted-flukes-of-fasciola-hepatica
#2
José Manuel Alvarez-Mercado, Froylán Ibarra-Velarde, Miguel Ángel Alonso-Díaz, Yolanda Vera-Montenegro, José Guillermo Avila-Acevedo, Ana María García-Bores
BACKGROUND: Fasciolosis due to Fasciola hepatica is the most important hepatic disease in veterinary medicine. Its relevance is important because of the major economical losses to the cattle industry such as: reduction in milk, meat and wool production; miscarriages, anemia, liver condemnation and occasionally deaths, are estimated in billons of dollars. The emergence of fluke resistance due to over or under dosing of fasciolides as well as environmental damage produced by the chemicals eliminated in field have stimulated the need for alternative methods to control Fasciola hepatica...
2015: BMC Veterinary Research
https://www.readbyqxmd.com/read/25779808/in-vitro-antihelmintic-effect-of-fifteen-tropical-plant-extracts-on-excysted-flukes-of-fasciola-hepatica
#3
José Manuel Alvarez-Mercado, Froylán Ibarra-Velarde, Miguel Ángel Alonso-Díaz, Yolanda Vera-Montenegro, José Guillermo Avila-Acevedo, Ana María García-Bores
BACKGROUND: Fasciolosis due to Fasciola hepatica is the most important hepatic disease in veterinary medicine. Its relevance is important because of the major economical losses to the cattle industry such as: reduction in milk, meat and wool production; miscarriages, anemia, liver condemnation and occasionally deaths, are estimated in billons of dollars. The emergence of fluke resistance due to over or under dosing of fasciolides as well as environmental damage produced by the chemicals eliminated in field have stimulated the need for alternative methods to control Fasciola hepatica...
December 2015: BMC Veterinary Research
https://www.readbyqxmd.com/read/25412547/-anti-leishmanial-activity-in-plants-from-a-biological-reserve-of-costa-rica
#4
Misael Chinchilla-Carmona, Idalia Valerio-Campos, Ronald Sánchez-Porras, Vanessa Bagnarello-Madrigal, Laura Martínez-Esquivel, Antonieta González-Paniagua, Javier Alpizar-Cordero, Maribel Cordero-Villalobos, Daniela Rodríguez-Chaves
Leishmaniosis is an important human disease very difficult to treat. For this reason, many researchers in the world have been look- ing for anti-leishmanial chemical components present in several plant species. In Costa Rica, since no studies have been done in this field, this work aimed at the search of active chemical components in local plants that may have an activity against Leishmania sp. A total of 67 plants were selected from the Alberto Manuel Brenes Biological Reserve (REBAMB). For these collected plants, fresh or dried hidroalcoholic extracts of root, stem, mature or young leaves, flowers, and immature or mature fruits, were prepared under conventional methods...
September 2014: Revista de Biología Tropical
https://www.readbyqxmd.com/read/25141815/antidiabetic-activity-of-piper-auritum-leaves-in-streptozotocin-induced-diabetic-rat-beneficial-effect-on-advanced-glycation-endproduct
#5
Adriana María Neira Gonzalez, Rosa Martha Perez Gutierrez, Luis Bernardo Flores Cotera
OBJECTIVE: To investigate the effect of hypoglycaemic, hypolipidemic, oxidative stress, insulin resistance and advanced glycation endproducts (AGEs) formation of hexane extract from Piper auritum. METHODS: The streptozotocin (STZ)-induced diabetic Wistar rats were treated with the hexane extract from Piper auritum leaves for 28 days and a set of biochemical parameters were studied including glucose level, total cholesterol, triglycerides, lipid peroxidation, liver and muscle glycogen, superoxide dismutase, catalase, glutathione peroxidase and glutathione reductase...
August 20, 2014: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/24273877/chemical-analysis-and-antioxidant-activity-of-the-essential-oils-of-three-piperaceae-species-growing-in-the-central-region-of-cuba
#6
Elisa Jorge Rodríguez, Yanelis Saucedo-Hernández, Yvan Vander Heyden, Ernesto F Simó-Alfonso, Guillermo Ramis-Ramos, María Jesús Lerma-García, Urbano Monteagudo, Luis Bravo, Mildred Medinilla, Yuriam de Armas, José Manuel Herrero-Martínez
The present study describes the phytochemical profile and antioxidant activity of the essential oils of three Piperaceae species collected in the central region of Cuba. The essential oils of Piper aduncum, P. auritum and P. umbellatum leaves, obtained by hydrodistillation, were analyzed by gas chromatography-mass spectrometry. The main components of P. aduncum oil were piperitone (34%), camphor (17.1%), camphene (10.9%), 1,8-cineol (8.7%) and viridiflorol (7.4%), whereas that of P. auritum and P. umbellatum was safrole (71...
September 2013: Natural Product Communications
https://www.readbyqxmd.com/read/24082635/effect-of-the-hexane-extract-of-piper-auritum-on-insulin-release-from-%C3%AE-cell-and-oxidative-stress-in-streptozotocin-induced-diabetic-rat
#7
Rosa Martha Perez Gutierrez
BACKGROUND: The large-leafed perennial plant Piper auritum known as Hoja Santa, is used for its leaves that because of their spicy aromatic scent and flavor have an important presence in Mexican cuisine, and in many regions, this plant is known for its therapeutic properties. MATERIALS AND METHODS: In the present study, we investigated the effect of hexane, chloroform and methanol extracts from Piper auritum on cell culture system and the effect in streptozotocin-induced type 1 diabetic rats treated by 28 days on the physiological, metabolic parameters and oxidative stress...
October 2012: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/24001865/total-phenolics-and-antioxidant-activity-of-piper-auritum-and-porophyllum-ruderale
#8
Lilia A Conde-Hernández, José Á Guerrero-Beltrán
Extracts from fresh and dried samples of Mexican pepperleaf (Piper auritum Kunth) and "papalo" (Porophyllum ruderale) were obtained using a stirring or an ultrasound extraction system with five types of solvents (water, 50:50% v/v ethanol:water, 70:30% v/v ethanol:water, 85:15% v/v ethanol:1.5N HCl, and ethanol). Total phenolic compounds and antioxidant activity were evaluated with the phenol Folin Ciocalteu reagent and the ABTS method, respectively. Total phenolic compounds (PC), trolox (T), and ascorbic acid (AA), in the two herbs, were in the range of 6...
January 1, 2014: Food Chemistry
https://www.readbyqxmd.com/read/23047487/evaluation-of-the-antioxidant-and-anti-glication-effects-of-the-hexane-extract-from-piper-auritum-leaves-in-vitro-and-beneficial-activity-on-oxidative-stress-and-advanced-glycation-end-product-mediated-renal-injury-in-streptozotocin-treated-diabetic-rats
#9
Rosa Martha Perez Gutierrez, Luis B Flores Cotera, Adriana Maria Neira Gonzalez
The aim of this study was to investigate the antioxidant activity of hexane extracts from leaves of Piper auritum (HS). Eight complementary in vitro test methods were used, including inhibition of DPPH· radicals, nitric oxide, superoxide anion, ion-chelating, ABTS, oxygen radical absorbance capacity, β-carotene bleaching and peroxy radical scavenging. The results indicated that HS possesses high antioxidant activity. To add to these finding we tested the effect against oxidative stress in liver, pancreas and kidney in diabetic rats...
2012: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/20428676/chemistry-cytotoxicity-and-antileishmanial-activity-of-the-essential-oil-from-piper-auritum
#10
Lianet Monzote, Marley García, Ana Margarita Montalvo, Ramón Scull, Migdalia Miranda
Leishmaniasis is one of the most important parasitic infections, but current treatments are unsatisfactory due to their toxicity, cost and resistance. Therefore, the development of new antileishmanial compounds is imperative. Many people who live in endemic areas use plants as an alternative to treat the disease. In this paper, we characterised the essential oil from Piper auritum, evaluated its cytotoxicity and determined its antileishmanial activity. The chromatogram obtained by gas chromatography revealed 60 peaks and we found that safrole was the most abundant compound, composing 87% of the oil...
March 2010: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/20141666/-use-of-medicinal-plants-during-pregnancy
#11
Beatriz Macías-Peacok, Liliana Pérez-Jackson, Maykel Fernando Suárez-Crespo, César Oscar Fong-Domínguez, Eliazar Pupo-Perera
BACKGROUND: Plants have been used by humans since the ancient times, for eating, for clothing and for curing illnesses. The noxious effects of many medicinal plants are still ignored, mainly during pregnancy. OBJECTIVE: To identify the use of medicinal plants (MP) in pregnant women in primary care medicine. METHODS: A descriptive, prospective study was carried out in 300 pregnant women from two primary care clinics. They were interviewed to identify the use of MP, the age of the pregnancy which MP were more used with and the medical indication for its use...
May 2009: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/17354464/the-tadpoles-of-hyla-rufitela-anura-hylidae
#12
Heinz Hoffmann
The validity of the published description of Hyla rufitela is questioned because the origin of the described tadpoles does not correspond to the distribution of this species. The present description, based on tadpoles that were hatched from two egg masses from the Caribbean lowland of Costa Rica, includes tadpoles raised to adult frogs to verify the species. The newly described tadpoles differ from the previously described and illustrated ones not only in color but also by its more slender body shape (body height:body length, 0...
September 2005: Revista de Biología Tropical
https://www.readbyqxmd.com/read/14969944/effects-of-litter-from-a-tropical-rainforest-on-tree-seed-germination-and-establishment-under-controlled-conditions
#13
C Vázquez-Yanes, A Orozco-Segovia
The effects of litter cover on the germination of seeds of three tropical rainforest, pioneer tree species (Cecropia obtusifolia, Heliocarpus appendiculatus and Piper auritum) was investigated. Germination of seeds of all tree species was partially or totally inhibited when the seeds were covered with litter, whereas uncovered seeds or seeds covered with paper instead of litter germinated. Seed size was directly correlated with the capacity of the germinated seeds to emerge through the litter. In soil experiments in the greenhouse, seedling emergence from the soil was inhibited by the presence of litter on the soil surface...
December 1992: Tree Physiology
https://www.readbyqxmd.com/read/12722133/antibacterial-antiprotozoal-and-antioxidant-activity-of-five-plants-used-in-izabal-for-infectious-diseases
#14
M C Navarro, M P Montilla, M M Cabo, M Galisteo, A Cáceres, C Morales, I Berger
Methanol and aqueous extracts from fi ve plant species, used in traditional medicine in Guatemala for the treatment of microbial infections, were tested in vitro for their ability to scavenge DPPH, OH(.) and O(2) (-) radicals and to inhibit lipoperoxidation (LPO) in order to establish a relationship between their antioxidant activities and their effects against infectious agents. Acalypha guatemalensis, Ocimum micranthum and Smilax spinosa possessed a significant activity against both the three free radicals assayed and LPO; Guazuma ulmifolia showed effects against DPPH and OH(...
April 2003: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/11695884/comparative-study-of-the-assay-of-artemia-salina-l-and-the-estimate-of-the-medium-lethal-dose-ld50-value-in-mice-to-determine-oral-acute-toxicity-of-plant-extracts
#15
COMPARATIVE STUDY
A Logarto Parra, R Silva Yhebra, I Guerra Sardiñas, L Iglesias Buela
Artemia salina L. (Artemiidae), the brine shrimp larva, is an invertebrate used in the alternative test to determine toxicity of chemical and natural products. In this study the Medium Lethal Concentrations (LC50 value) of 20 plant extracts, Aloe vera (L.) Burm. F. (Aloeaceae), Artemisia absinthium L. (Asteraceae); Citrus aurantium L. (Rutaceae); Cymbopogon citratus (DC. Ex Nees) Stapf (Poaceae); Datura stramonium L. (Solanaceae); Justicia pectoralis Jacq. (Acanthaceae); Musa x paradisiaca L. (Musaceae); Ocimum basilicum L...
September 2001: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/8771452/screening-of-medicinal-plants-for-induction-of-somatic-segregation-activity-in-aspergillus-nidulans
#16
A Ramos Ruiz, R A De la Torre, N Alonso, A Villaescusa, J Betancourt, A Vizoso
Knowledge about mutagenic properties of plants commonly used in traditional medicine is limited. A screening for genotoxic activity was carried out in aqueous or alcoholic extracts prepared from 13 medicinal plants widely used as folk medicine in Cuba: Lepidium virginicum L. (Brassicaceae): Plantago major L. and Plantago lanceolata L. (Plantaginaceae); Ortosiphon aristatus Blume, Mentha x piperita L., Melissa officinalis L. and Plectranthus amboinicus (Lour.) Spreng. (Lamiaceae); Cymbopogon citratus (DC.) Stapf (Poaceae); Passiflora incarnata L...
July 5, 1996: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/5484884/-piper-auritum-h-b-k-an-anatomical-histochemical-study-piperaceae-used-in-folk-medicine-a-comparative-anatomical-histochemical-study-1
#17
https://www.readbyqxmd.com/read/1221248/aporphine-type-alkaloids-from-piper-auritum
#18
R Hänsel, A Leuschke
No abstract text is available yet for this article.
November 1975: Lloydia
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