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Medicinal Plants in Papua New Guinea

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Medicinal Plants in Papua New Guinea ___________________________________________________________________________ 2015/CSA/014 Agenda Item: 7b PNG Traditional Knowledge System and Science Advice: PNG Perspective Purpose: Information Submitted by: Papua New Guinea Third APEC Chief Science Advisors and Equivalents Meeting Kuala Lumpur, Malaysia 14-16 October 2015 19/10/2015 PNG Traditional Knowledge System and Science Advice: PNG Perspective Teatulohi Matainaho Chairman/ CEO and Chief Science Advisor PNG Science and Technology Council/ Secretariat Traditional (Indigenous) Knowledge System “Traditional Knowledge System (TKS) is the basis upon which many indigenous communities survive on. Indigenous people value their unique knowledge systems, their languages, their agriculture, folklore, arts, medicinal knowledge, and their philosophies of life as important systems of knowledge” Steven Winduo (2009) 1 19/10/2015 • In Papua New Guinea, like many Pacific Islands societies, indigenous knowledge systems continue to remain the strength of survival, for many groups of people living within their tribal boundaries in the islands, in the valleys, in the mountains, or along rivers. • Indigenous knowledge may not necessarily be in its original form, but transformed in a form that has incorporated aspects of the introduced knowledge together with the inherited knowledge. PNG Traditional knowledge systems Agriculture and Foods Health and Navigation Wellbeing PNG Fishing Forestry and Traditional Methods and Botanicals Knowledge Harvest Systems Biodiversity Building and and Construction Conservation Cultural Expression and Language 2 19/10/2015 PNG Traditional Medical Knowledge • Documentation of herbs used in traditional medicine in PNG including traditional medical practices • A systematic survey conducted throughout the country over 16 years • Leading to establishment of Traditional Medicine Database PNG Traditional Medicine Database A national repository of medicinal plants usage in PNG. Established in 2000 as a joint initiative between National Department of Health and University of Papua New Guinea 3 19/10/2015 PNG Traditional Medicine Database . To serve as repository of indigenous knowledge in traditional medicine. To identify safe and effective traditional medicine practices and promote their usage in the community. To select promising herbs and traditional medicines for scientific research 7 Traditional Medicine Database Total entries 4200 + (up to 2013) Plants 1000 Families 203 Practitioners 850 8 4 19/10/2015 Traditional Medicine Database (2000- 2013) 4500 4000 3500 2006 3000 2008 2500 2009 2000 2012 2013 1500 1000 500 0 Preparations Plants Families Practitioners 9 Five most common conditions treated by herbal medicine • Respiratory disorders (#130 traditional preparations) • Gastrointestinal conditions (#298 traditional preparations) • Sores, cuts and wounds (#160 traditional preparations) • Skin infections (85 traditional preparations) • Body aches, pain and fever (#102 traditional preparations) 5 19/10/2015 Traditional Herbs grouped in different therapeutic categories according to their uses • Pain, fever & inflammatory conditions (#133) • Respiratory conditions (#89) • Injuries and sores (#144) • Gastrointestinal problems (#88) Note: Many herbs are used • Genitourinary problems (#67) for more than one condition • Anaemia, thrush, and eye infections (#48) • Skin conditions (#95) • Women & maternal health (#65) • Malaria & other vector-borne infections (#37) • Bites & stings (#44) • Lifestyle-related diseases (#18) • Psychological and cosmetic problems (#12) PNG Medicinal Plants and HIV 6 19/10/2015 . Papua New Guinea (PNG) has an established HIV epidemic. In PNG the infected population now is predominately rural, where access to Western medicines is limited. PNG also has a rich tradition of medicinal plant use, a practice endorsed by government programs that catalog, validate and promote such use. Traditional healers in PNG are treating patients with HIV and AIDS symptoms, and herbal preparations are being promoted specifically for this use. Concern over the possible consequences of herbal use by people living with HIV prompted the current assessment of medicinal plants commonly used in PNG. Plants used in treatment of HIV/AIDS-related conditions (22 plants) Plant spp. Family Uses/Plant parts used Kleinhovia hospita Sterculiaceae Painful joints, productive cough, yellowing of eyes; leaves decoction Hibiscus rosa-sinensis Malvaceae Hypothermia, shivering, alopecia; leaves decoction Rhododendron spp. Ericaceae Chills, shivering Ficus rhizophylloides Moraceae All HIV/AIDS symptoms; leaves decoction; Justica gendarusa Pyrosiaceae HIV, flu, fungal skin infections; bark and leaves decoction Derris trifoliata Fabaceae Fever, shivering, etc.; root Colocasia macrorhiza Araceae Joint pains, fever, malarial symptoms; leaves 7 19/10/2015 Plants used in treatment of HIV/AIDS-related conditions Plant spp. Family Uses/Plant parts used Calendula officinalis Compositae Weight loss in HIV patients; fresh petals or dried leaves eaten Dictamus albus Orchidaceae All HIV/AIDS conditions; roots and leaves smashed and boiled in water Polyporandra scandens Lacinaceae HIV/AIDS, TB, gonorrhoea; decoction prepared with wild ginger known as ‘golgol’ Exocaria agallocha Euphorbiaceae Sores, ulcers; leaves and stem sap Angiopteris evecta Marattiaceae Fern leaves used to treat cough Plants used in treatment of HIV/AIDS related conditions Plant spp. Family Uses Morinda citrifolia Rubiaceae HIV/AIDS symptoms; seeds decoction Albizzia carriii Moringaceae Supplement in HIV/AIDS; young leaves Clerodendron Verbanaceae HIV/AIDS symptoms; decoction prepared from lindawianum young leaves taken with salt Carica papaya Caricaceae HIV/AIDS symptoms; digestive disorders, seeds eaten; fruit pulp used to treat sores Ageratum conyzoides Asteraceae Diarrhoea, dysentery (leaf decoction); fresh leaves juice poured on the sores 8 19/10/2015 Plants used in treatment of HIV/AIDS-related conditions Plant spp. Family Uses Cymbopogan citratus Poaceae Cough Metroxylum sagu Arecaceae Sores Cycas circinalis Cycadaceae Sores, cuts, wounds, ulcers Plectranthus Lamiaceae Sores, cuts, bruises; leaves smashed scutellariodes and placed on the sores Acalypha Euphorbiaceae Young leaves squeezed in water, and wilkensiana solution drunk HIV/AIDS and Medicinal Plants Pterocarpus indicus Kleinhovia hospita Costus speciosus Preparation/Administration: Oral drink prepared from the aqueous extract of a mixture of leaves from the three plants 9 19/10/2015 Ageratum conyzoides (for diarrhoea and dysentery; used in form of decoction Dictamus albus Used to alleviate several conditions in PLHIV Parts used: roots, rhizome and leaves boiled together, cooled and solution drunk 10 19/10/2015 Plants used in treatment of fever in PLHIV Cordyline terminalis Pedilanthus tithymaloides Plants used in treatment of fever in PLHIV Pisonia spp. 11 19/10/2015 Anti- HIV/AIDS plants (boosts immunity?) Carica papaya seeds cooked and eaten or Seeds boiled in water and solution drunk Ipomoea pes- caprae a known anti- inflammatory plant Beach vine 12 19/10/2015 Some commonly used medicinal plants in PNG have dramatic activity in models of drug interaction, HIV suppression and/or in models of activation of latent HIV Medicinal Plants Tested for Ability to: 1) inhibit HIV production 2) induce latent HIV 3) kill T cells Medicinal plants identified by querying the Traditional Medicines Database 13 19/10/2015 100 Most Commonly Used Medicinal Plants in PNG With Anti- HIV Activity that Induce Latent HIV (those in red) 1. Premna obtusifolia 21. Solanum torvum 41. Epipremnum pinnatum 61. Angiopteris evecta 81. Asplenium nidus 2. Alstonia scholaris 22. Pometia pinnata 42. Abelmoschus manihot 62. Paspalum conjugatum 82. Metroxylum sagu 3. Morinda citrifolia 23. Manihot esculenta 43. Angiopteris evecta 63. Dioscorea bulbifera 83. Ricinus communis 4. Carica papaya 24. Pangium edule 44. Imperata cylindrical 64. Pipturus argenteus 84. Polygala paniculate 5. Psidium guajava 25. Alstonia spectabilis 45. Coleus blumei 65. Endospermum medullosum 85. Scaevola sericea 6. Cocos nucifera 26. Sida rhombifolia 46. Ficus copiosa 66. Pedilanthus tithymaloides 86. Codiaeum variegatum 7. Merremia peltata 27. Euphorbia hirta 47. Terminalia catapa 67. Endospermum formicarium 87. Cymbopogon nardus 8. Cordyline terminalis 28. Ocimum basilicum 48. Gnetum gnemon 68. Homalium foetidum 88. Dioscera alata 9. Drimys piperita 29. Wedelia biflora 49. Casuarina equisetifolia 69. Sphaerostephanos unitus 89. Solanum tuberosum 10. Zingiber officinale 30. Acalypha wilkesiana 50. Casuarina papuana 70. Citrus limon 90. Persea Americana 11. Pterocarpus indicus 31. Cassia alata 51. Premna serratifolia 71. Sphaerostephanos alatellus 91. Jatropha curcas 12. Passiflora foetida 32. Mangifera indica 52. Capsicum annum 72. Hornstedtia scottiana 92. Commelina paleata 13. Ageratum conyzoides 33. Flagellaria indica 53. Ipomea pes‐caprae 73. Derris elliptica 93. Cyperus rotundus 14. Ficus septica 34. Hibiscus rosa‐sinensis 54. Rungia klossii 74. Catharanthus roseus 94. Calophyllum inophyllum 15. Areca catechu 35. Kalanchoe pinnata 55. Pandanus tectorius 75. Mikania micrantha 95. Ficus wassa 16. Timonius timon 36. Crinum asiaticum 56. Eleusine indica 76. Desmodium umbellatum 96. Sterculia ampla 17. Laportea decumana 37. Syzygium malaccense 57. Euodia hortensis 77. Vitex trifolia 97. Abrus precatorius 18. Bidens pilosa 38. Centella asiatica 58. Ficus adenosperma 78. Cyclandophora laurina 98. Macaranga aleuritoides
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