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Phytochemical medicine

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https://www.readbyqxmd.com/read/28818768/novel-gomisin-b-analogues-as-potential-cytotoxic-agents-design-synthesis-biological-evaluation-and-docking-studies
#1
B Poornima, Bandi Siva, A Venkanna, G Shankaraiah, Nishant Jain, Dharmendra Kumar Yadav, Sanjeev Misra, K Suresh Babu
As part of pharmacological-phytochemical integrated studies on medicinal flora, Gomisin B (1) was isolated as major phytochemical lead from schisandra grandiflora, a plant traditionally used in different Asian systems of medicine. A series of 1,2,3-triazoles derivatives were synthesized at the C-7' position of the gomisin B core through diastereoselective Michael addition followed by regioselective Huisgen 1,3-dipolar cycloaddition reactions. All these triazolyl derivatives (5a-5q) were well characterized using modern spectroscopic techniques and evaluated for their anti-cancer activity against a panel of five human cancerous cell-lines...
August 1, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28816369/in-vitro-study-of-five-herbs-used-against-microbial-infections-in-burundi
#2
Jérémie Ngezahayo, Sofia Oliveira Ribeiro, Véronique Fontaine, Léonard Hari, Caroline Stévigny, Pierre Duez
The emergence of antimicrobial resistant infectious diseases remains a major threat to worldwide public health, in developed and in developing countries. Therefore, new antimicrobial agents acting by new mechanisms of action are urgently needed. As plants used in traditional medicine may help to overcome these problems, Justicia subsessilis, Platostoma rotundifolium, Pavetta ternifolia, Stomatanthes africanus, and Virectaria major (plants highly cited to be used against microbial infections in traditional Burundian medicine) were studied to assess their traditional use efficacy...
August 17, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28814950/morinda-citrifolia-l-leaf-extract-prevent-weight-gain-in-sprague-dawley-rats-fed-a-high-fat-diet
#3
Najla Gooda Sahib Jambocus, Amin Ismail, Alfi Khatib, Fawzi Mahomoodally, Nazamid Saari, Muhammad Waseem Mumtaz, Azizah Abdul Hamid
Background: Morinda citrifolia L. is widely used as a folk medicinal food plant to manage a panoply of diseases, though no concrete reports on its potential anti-obesity activity. This study aimed to evaluate the potential of M. citrifolia leaf extracts (MLE60) in the prevention of weight gain in vivo and establish its phytochemical profile. Design: Male Sprague-Dawley rats were divided into groups based on a normal diet (ND) or high fat diet (HFD), with or without MLE60 supplementation (150 and 350 mg/kg body weight) and assessed for any reduction in weight gain...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28814827/anticholinesterase-constituents-from-the-leaves-of-spondias-mombin-l-anacardiaceae
#4
Taiwo Olayemi Elufioye, Efere M Obuotor, Joseph M Agbedahunsi, Saburi A Adesanya
Spondias mombin has been used in traditional medicine for the management of several diseases, including memory loss. This study aimed to evaluate the cholinesterase inhibitory activity of the methanol extract of the leaves and its derived fractions, as well as carry out detailed phytochemical investigations leading to the isolation and characterization of bioactive compounds from the plant. The acetyl cholinesterase (AChE) and butyryl cholinesterase (BUChE) inhibitory activities were evaluated by colorimetric and thin-layer chromatography bioautographic assay techniques...
2017: Biologics: Targets & Therapy
https://www.readbyqxmd.com/read/28814106/cameroonian-medicinal-plants-belonging-to-annonaceae-family-radical-scavenging-and-antifungal-activities
#5
Marguérite Kamdem Simo, Mireille Dongmo Nguepi, Modeste Lambert Sameza, Rufin Kouipou Toghueo, Fabrice Boyom Fekam, Guglielmina Froldi
The free-radical scavenging activity of ethanolic and methanolic extracts of leaves, stems and roots of Annona muricata, Monodora tenuifolia, Uvaria comperei, Uvaria muricata and Xylopia africana was evaluated using DPPH and ORAC assays. Further, phytochemical analysis, total phenolic and total flavonoid contents were also determined. Moreover, the antifungal activity of extracts was studied. The findings indicated that A. muricata and U. comperei extracts own antiradical activities and moderate antifungal properties...
August 17, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28808391/resolving-identification-issues-of-saraca-asoca-from-its-adulterant-and-commercial-samples-using-phytochemical-markers
#6
Satisha Hegde, Harsha Vasudev Hegde, Sunil Satyappa Jalalpure, Malleswara Rao Peram, Sandeep Ramachandra Pai, Subarna Roy
Saraca asoca (Roxb.) De Wilde (Ashoka) is a highly valued endangered medicinal tree species from Western Ghats of India. Besides treating cardiac and circulatory problems, S. asoca provides immense relief in gynecological disorders. Higher price and demand, in contrast to the smaller population size of the plant, have motivated adulteration with other plants such as Polyalthia longifolia (Sonnerat) Thwaites. The fundamental concerns in quality control of S. asoca arise due to its part of medicinal value (Bark) and the chemical composition...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28808386/in-vitro-inhibitory-effects-of-andrographis-paniculata-gynura-procumbens-ficus-deltoidea-and-curcuma-xanthorrhiza-extracts-and-constituents-on-human-liver-glucuronidation-activity
#7
Zulhilmi Husni, Sabariah Ismail, Mohd Halimhilmi Zulkiffli, Atiqah Afandi, Munirah Haron
BACKGROUND: Andrographis paniculata, Gynura procumbens, Ficus deltoidea and Curcuma xanthorrhiza are commonly consumed as herbal medicines. However their effects on human liver glucuronidation activity are not yet evaluated. OBJECTIVE: In this study, we evaluate the inhibitory Effects of Andrographis paniculata, Gynura procumbens, Ficus deltoidea and Curcuma xanthorrhiza extracts and their constituents on human liver glucuronidation activity. MATERIALS AND METHODS: Herbal extracts (aqueous, methanolic and ethanolic extracts) and their constituents were incubated with human liver microsomes with the addition of UDPGA to initiate the reaction...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28807161/phytochemical-modulation-of-apoptosis-and-autophagy-strategies-to-overcome-chemoresistance-in-leukemic-stem-cells-in-the-bone-marrow-microenvironment
#8
Helen C Owen, Sandra Appiah, Noor Hasan, Lucy Ghali, Ghada Elayat, Celia Bell
Advances in scientific research and targeted treatment regimes have improved survival rates for many cancers over the past few decades. However, for some types of leukemia, including acute lymphoblastic and acute myeloid leukemia, mortality rates have continued to rise, with chemoresistance in leukemic stem cells (LSCs) being a major contributing factor. Most cancer drug therapies act by inducing apoptosis in dividing cells but are ineffective in targeting quiescent LSCs. Niches in the bone marrow, known as leukemic niches, behave as "sanctuaries" where LSCs acquire drug resistance...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28807157/antiinflammatory-and-hepatoprotective-medicinal-herbs-as-potential-substitutes-for-bear-bile
#9
Sandra Appiah, Mike Revitt, Huw Jones, Milan Vu, Monique Simmonds, Celia Bell
Practitioners of traditional Chinese medicine (TCM) commonly prescribe medicinal formulations relying on the purported synergism of a combination of plant species, sometimes incorporating animal parts and minerals. Bear bile, obtained from either wild or farmed bears, is a commonly used constituent of traditional medicine formulations. With several bear species now listed under Convention on International Trade in Endangered Species of Wild Fauna and Flora as threatened with extinction and with bear farming being actively campaigned against on ethical grounds, it is important to seek and promote alternatives to the use of bear bile as medicine...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28806605/phytochemistry-of-european-primula-species
#10
REVIEW
Paola S Colombo, Guido Flamini, Graziella Rodondi, Claudia Giuliani, Laura Santagostini, Gelsomina Fico
The genus Primula is the largest among the Primulaceae and is widespread mainly in the cold and temperate regions of the Northern Hemisphere. Since the beginning of the Twentieth century, several studies on the phytochemical composition of different species of Primula have been carried out. The main constituents examined were tissue and epicuticular flavonoids and saponins, which are of therapeutic significance. Only in recent years studies of the volatiles emitted by leaves and flowers have been carried out as well, but they are restricted to a small number of species...
August 11, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28804611/antimalarial-evaluation-of-selected-medicinal-plant-extracts-used-in-iranian-traditional-medicine
#11
Mohammad Hossein Feiz Haddad, Hamidreza Mahbodfar, Zahra Zamani, Ali Ramazani
OBJECTIVES: In an attempt to discover new natural active extracts against malaria parasites, the present study evaluated the antiplasmodial properties of selected plants based on Iranian traditional medicine. MATERIALS AND METHODS: Ten plant species found in Iran were selected and collected based on the available literature about the Iranian traditional medicine. The methanolic extracts of these plants were investigated for in vitro antimalarial properties against chloroquine-sensitive (3D7) and multi-drug resistant (K1) strains of Plasmodium falciparum...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28802231/phytochemical-properties-and-pharmacological-effects-of-quercus-ilex-l-aqueous-extract-on-gastrointestinal-physiological-parameters-in-vitro-and-in-vivo
#12
Kaïs Rtibi, Imen Hammami, Slimen Selmi, Dhekra Grami, Hichem Sebai, Mohamed Amri, Lamjed Marzouki
INTRODUCTION: Several research studies have reported on the pharmacological relevance of the medicinal plants used for treating various gastrointestinal disorders and controlling the dietary glucose uptake in the intestinal tract. METHODS: Male rats were used to investigate the pharmacological effects of green oak acorn aqueous extract (GOAE) on gastrointestinal physiological parameters in vivo and in vitro. In this respect, the gastro-intestinal motility and hypersecretion essays were evaluated using a simple test meal (10% charcoal in 5% gum arabic) and castor oil induced diarrhea...
August 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28802088/screening-bioactive-quality-control-markers-of-qishenyiqi-dripping-pills-based-on-the-relationship-between-the-ultra-high-performance-liquid-chromatography-fingerprint-and-vascular-protective-activity
#13
Limeng Zhuo, Jingjing Peng, Yunli Zhao, Dongxiang Li, Xiuman Xie, Ling Tong, Zhiguo Yu
Traditional Chinese medicine consists of complex phytochemical constituents. Selecting appropriately analytical markers of traditional Chinese medicine is a critical step in quality control. Currently, the combination of fingerprinting and efficacy evaluation is considered as a useful method for screening active ingredients in complex mixtures. This study was designed to develop an orthogonal partial least squares model for screening bioactive quality control markers of QishenYiqi dripping pills based on the fingerprint-efficacy relationship...
August 12, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28797675/from-the-hive-honey-a-novel-weapon-against-cancer
#14
REVIEW
Mariateresa Badolato, Gabriele Carullo, Erika Cione, Francesca Aiello, Maria Cristina Caroleo
Nowadays there is a folk medicine branch called apitherapy that aims to treat diseases with bee products, including honey. Honey has long been known for its medicinal and health promoting properties. It encloses numerous types of phytochemicals with high phenolic and flavonoid content, which contribute to its antioxidant and anti-inflammatory activities. Varieties and variants of polyphenols in honey showed antiproliferative property against several types of cancer. This review focuses on the latest discoveries about the key role of honey in different stages of carcinogenesis, initiation, proliferation and progression, both in vitro and in vivo, as well as on its adjuvant effect in cancer therapy...
August 3, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28794929/high-frequency-direct-shoot-organogenesis-of-leaf-explants-and-a-comparative-evaluation-of-phytochemicals-antioxidant-potential-of-wild-vs-in-vitro-plant-extracts-of-lysimachia-laxa
#15
Sanjoy Gupta, Tapan Seal, A A Mao, Soneswar Sarma
The present studies were attempted to develop direct shoot organogenesis from in vitro grown leaf explants of Lysimachia laxa and comparative evaluation of phytochemical and antioxidant potential of in vitro raised and wild plants extracts. The fresh leaves of this species are used for deworming gastrointestinal worm infection in traditional medicine. Overexploitation of this species and poor regeneration has led to rapid decline in wild population, therefore, present investigation was attempted to develop an efficient rapid mass propagation protocol for this species...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28793900/botanical-ethnoveterinary-therapies-used-by-agro-pastoralists-of-fafan-zone-eastern-ethiopia
#16
Teka Feyera, Endalkachew Mekonnen, Befekadu Urga Wakayo, Solomon Assefa
BACKGROUND: In Ethiopia, plant based remedies are still the most important and sometimes the only source of therapeutics in the management of livestock diseases. However, documentation of this indigenous knowledge of therapeutic system still remains at a minimum level. The aim of this study was, thus, to document the traditional knowledge of botanical ethnoveterinary therapies in the agro-pastoral communities of Fafan Zone, Eastern Ethiopia. METHODS: The study employed a cross-sectional participatory survey...
August 9, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28792522/biochemical-characterization-and-anti-inflammatory-properties-of-an-isothiocyanate-enriched-moringa-moringa-oleifera-seed-extract
#17
Asha Jaja-Chimedza, Brittany L Graf, Charlotte Simmler, Youjin Kim, Peter Kuhn, Guido F Pauli, Ilya Raskin
Moringa oleifera Lam. is a tropical plant, used for centuries as food and traditional medicine. The aim of this study was to develop, validate and biochemically characterize an isothiocyanate-enriched moringa seed extract (MSE), and to compare the anti-inflammatory effects of MSE-containing moringa isothiocyanate-1 (MIC-1) with a curcuminoid-enriched turmeric extract (CTE), and a material further enriched in its primary phytochemical, curcumin (curcumin-enriched material; CEM). MSE was prepared by incubating ground moringa seeds with water to allow myrosinase-catalyzed enzymatic formation of bioactive MIC-1, the predominant isothiocyanate in moringa seeds...
2017: PloS One
https://www.readbyqxmd.com/read/28781969/immunomodulatory-effects-of-taiwanese-neolitsea-species-on-th1-and-th2-functionality
#18
Yin-Hua Cheng, Ying-Chi Lin, Ih-Sheng Chen, Sian-De Liu, Jih-Heng Li, Chia-Chi Wang
Neolitsea species, medicinal plants belonging to Lauraceae, contain rich alkaloids, steroids, sesquiterpenoids, and triterpenoids which possess antimicrobial, antioxidant, and anti-inflammatory bioactivities. However, species differences in the immunomodulatory effects and evidence pertaining to the effects of Neolitsea species on adaptive immunity are scarce. This study aimed to evaluate the immunomodulatory properties of ten Taiwanese Neolitsea plants on T helper (Th) cell functionality, especially Th1 and Th2...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28777980/fatty-acid-profiling-and-multivariate-analysis-in-the-genus-leucas-reveals-its-nutritional-pharmaceutical-and-chemotaxonomic-significance
#19
Ashish Kumar Choudhary, P Sunojkumar, Girish Mishra
Genus Leucas with about 41 species found in India, is an Asian genus with separation from its close relatives in Africa based on phylogenetic evidence. Present study represents the only comprehensive phytochemical investigation on this genus. We have analyzed the seed fatty acid compositions of 26 species and five varieties of Leucas for nutritional, pharmaceutical and chemotaxonomic perspectives. The fatty acids and their composition in seeds of Leucas species, collected from different geographical regions in India, were analyzed by gas chromatography and mass spectrometry...
August 1, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28774308/polarity-directed-optimization-of-phytochemical-and-in-vitro-biological-potential-of-an-indigenous-folklore-quercus-dilatata-lindl-ex-royle
#20
Madiha Ahmed, Humaira Fatima, Muhammad Qasim, Bilquees Gul, Ihsan-Ul-Haq
BACKGROUND: Plants have served either as a natural templates for the development of new chemicals or a phytomedicine since antiquity. Therefore, the present study was aimed to appraise the polarity directed antioxidant, cytotoxic, protein kinase inhibitory, antileishmanial and glucose modulatory attributes of a Himalayan medicinal plant- Quercus dilatata. METHODS: Total phenolic and flavonoid contents were determined colorimetrically and various polyphenols were identified by RP-HPLC analysis...
August 3, 2017: BMC Complementary and Alternative Medicine
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