6^th World Congress on Natural Products, Medicinal Plants and Traditional Medicines September 18-19, 2019 | ANA Crowne Plaza Narita | Tokyo, Japan

Biography:

Abstract:

Biography:

Maël Gainche has completed his Master’s degree in Organic Chemistry and Biocatalysis from Clermont-Auvergne University and joined PhD program in February 2017 in phytochemistry on natural substances from the local region, in a project called Plantinauv.

Abstract:

Anti-inflammatory activity of new natural compounds from Luzula sylvatica

Maël Gainche1 , J Cholet1 , C Ogéron1 , D Fraisse1 , C Felgines1 , M Vareille-Delabre1 , A Berry1 , M Vermerie1 , L Delort1 , C Decombat1 , J-Y Berthon2 , E Ranouille2 , E Saunier3 , J Priam3 , A Tourette4 , F Caldéfie-Chezet1 , F Senejoux1 , I Ripoche1 and P Chalard1 1 Université Clermont Auvergne, France 2 Greentech, France 3 Dômes Pharma, France 4 AltoPhyto, France

Inflammation is one of the major concerns in human health since recent studies highlighted its implication in numerous diseases such as cancer, diabetes or rheumatism. The high complexity of mechanisms involved in inflammation constitutes a real challenge for the discovery of innovative therapeutics. It is now well established that plant kingdom is capable of producing a considerable diversity of secondary metabolites with major medicinal interest. With a flora comprising more than 2000 plant species, the Auvergne region (France) represents a notable hotspot of biodiversity and chemodiversity. In this context, the Plantinauv project was settled to perform biological and chemical evaluations of under-investigated medicinal plants from this area, with the aim of providing scientific data to support the development of innovative anti-inflammatory herbal products for nutraceutical and cosmetic applications. Among several plants which were screened for their anti-inflammatory activities, the present study highlights the results of a bio-guided fractionation of one of them, Luzula sylvatica, a plant from the Juncaceae family. We demonstrated the activity of the crude methanolic extract and some fractions on several targets with chemical and biological tests and isolated 9 products, mainly from the phenanthrene family. Among them 4 new natural compounds were identified. Finally, biological tests were performed on isolated products mainly on ROS and cytotoxicity in order to exhibit their potential as anti-inflammatory drugs.

Biography:

Dario Rusciano has completed his PhD at University of Catania, Italy in 1979. He has been involved as Post-doctorate and Project Leader in basic research on cancer metastasis at the Sclavo pharmaceutical company of Siena, Italy from 1982 to 1989 and then at the Friedrich Miescher Institute of Basel, Switzerland until the year 2000. He then shifted his interests towards translational research in ophthalmology, working as lab leader for the next 7 years in SIFI, a pharmaceutical company based in Sicily, Italy and then at Sooft, another pharmaceutical company now owned by Fidia Pharmaceuticals, Abano Terme, Italy, where he has been appointed as Scientific Director.

Abstract:

Fatty acids are key elements in the regulation of cell metabolism and survival, and more recently they have been involved also in the regulation of macrophage activation and their transition between the pro-inflammatory and the anti-inflammatory state (M1 and M2). Inflammation and the persistency of macrophages in their M1 pro-inflammatory state strongly participate to the development and progression of many diseases, including those involving the retina and the optic nerve. More specifically, Age-related Macular Degeneration (AMD) and neuritis of the optic nerve are characterized by inflammation, gliosis and infiltration of activated macrophages, finally leading to irreversible injuries of the visual system. These events can be recapitulated by mouse models, either subretinally injected with PEG-400 (AMD) or treated by intraperitoneal injection of the Myelin Oligodendrocyte Glycoprotein (MOG) (optic neuritis). We present here data showing that treatment of these animals by oral administration of two different fatty acids-based food supplements (Macular-FAG® in the case of AMD and Neuro-FAG® in the case of optic neuritis) mitigates the inflammatory response in the retina of pathological animals and also improves their electrophysiological response to light stimulation

Biography:

Dominique de Rocca Serra has completed her PhD from Bordeaux University, France. She was In Charge of genetic citrus improvement in an agronomic research institute. She then joined the University of Corsica and became Research Professor and works in collaboration with chemists on the antimicrobial activities of natural products.

Abstract:

Candidosis is today the most important cause of fungal infections in humans and Candida albicans, an opportunistic pathogen, is responsible for the majority of yeast infections, more and more frequent because of the increase of the number of immunosuppressed patients, the excessive use of antibiotics, immune-suppressor therapies. The number of antifungal agents is limited. The most commonly used antifungal for the treatment of candidoses belongs to the azoles family (Fluconazole, Ketoconazole and Itraconazole) and polyenes (Nystatin and Amphotericin B). Excessive use of these drugs is one of the factors that may favor the development of resistant strains to antifungals. That resistance is becoming a serious public health problem, which justifies the search for new alternatives with antifungal potential. Corsica, one of the largest islands of the Mediterranean, is a hotspot of plant biodiversity characterized by a high rate of plant endemism. So that more than 2000 species of plants grow wild in the island, 132 species being endemic. Among them, there are various aromatic and medicinal plants. Essential oils are mixtures of naturally occurring substances showing various biological activities. Numerous oils have demonstrated antioxidative, antifungal or anti-inflammatory effects. Several species of Mentha have been studied on their chemical composition, antibacterial and antifungal properties by culture tests (inhibition, CMI), transmission and scanning electron microscopy. The mode of action of molecules depends of their structure. For example cis-cis-p-menthenolide and mintlactone, bearing the same p-menthanolide framework, possess the α-β unsaturated lactone substructure. They differ only by the position of the double bond (exocyclic or intracyclic), which is probably responsible for the difference in antimicrobial activity

Biography:

Kesri Nandan Sharma had completed BSc in Chemistry, MSc in Chemistry, PG Diploma in Computer Applications and is currently pursuing PhD in Chemistry at Manipal University, Jaipur, India; His research field includes standardizations, extractions, metabolite finger printing and chemical analysis of compounds isolated from medicinal plants and herbal drugs. He is presently working in State Drugs Testing Laboratory, Rajasthan, Jaipur. under Medical & Health Department, Government of Rajasthan, India and having more than 20 years of experience in analyzing of samples of pharmaceutical, ayurvedic and cosmetic products as per effective pharmacopeia, Drugs & Cosmetics Act, Indian Standards and self-developed validated methods.

Abstract:

Portulaca oleracea (common name Purslane) is an annual succulent in the family Portulacaceae and is perennial in the tropics with a cosmopolitan distribution. It has smooth, reddish, mostly prostrate stems and alternate leaves clustered at stem joints and ends and are common in fields, gardens, vineyards, lawns, driveways, dunes and river banks. Its yellow flowers open singly at the center of the leaf cluster for only a few hours on sunny mornings. Purslane is not only treated as wild plants in fields, but is also an edible vegetable rich in beneficial nutrients. It is an important medicinal plant with diverse pharmacological spectrum as it possesses many anti-oxidant properties and due to the high content of vitamins, minerals, essential fatty acids and other healthful compounds; therefore, the intake of purslane and/or its bioactive compounds could help to improve the health and function of the whole human organism. Purslane is a rich source of many nutrients like free oxalic acids, alkaloids, omega-3 fatty acids, coumarins, flavonoids, cardiac glycosides, anthraquinones, proteins, a-linolenic acid, b-carotene, mono terpene glycoside and N-trans-feruloyltyramine. The plant is reported to have versatile biological activities like antioxidant, antipyretic, antitussive, diuretic, hypolipidemic, antiulcerogenic, antiinflammatory, anticonvulsant, antimicrobial properties etc.

Biography:

Patrick Kisangau Daniel has PhD in Economic Botany from the University of Dar es Salaam, Tanzania. He is currently a Senior Lecturer at the Department of Life Sciences and Director, Wote Town Campus of South Eastern Kenya University. His research interests are in ethnobotany, bioactivity studies of medicinal plants, promoting livelihoods through socio-economically useful plants and conservation of threatened ecosystems. He has so far published 25 research articles in peer refereed journals.

Abstract:

Medicinal plants and other High Value Multipurpose Plant species (HVMPs) are vital part of the ecosystem especially in the arid and semi-arid areas, providing a range of inter-related environmental, socio-economic and health benefits. Their survival is however threated by their over-exploitation from the wild. The purpose of this study was to identify and document ethno-medicinal practices of plants and other HVMPs in Kitui County in South Eastern Kenya. This included historical and socio-cultural processes, norms, taboos and beliefs that influence ethno-practices and use of ethno-medicinal agents in healthcare systems. Open and closed-ended household questionnaires and Focus Group Discussions (FGDs) were used to gather information from the community. Data was analyzed using descriptive statistics in SPSS version 20.0. A total of 120 household respondents were interviewed in eight locations, two for each of four sub-counties visited. It was found that half of the respondents (50%) sought medical services from the conventional health facilities while a significant number (36%) sought medical attention from traditional medicines, meaning that the traditional medical practices are still highly regarded in the county. Most of the medicinal plants were harvested by uprooting and debarking as reported by 52.5% and 24.2% of the respondents respectively. Thus, most of these medicinal plant species have become vulnerable to over-exploitation. Other HVMPs which have been highly over-exploited in the study area are the African Sandal wood (Osyris lanceolata), Melia volkensii, Dalbergia melanoxylon, Ximenia americana and Balanites aegyptiaca. There is a need to enhance sustainable utilization of these plant species which have high potential to support local livelihoods.