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Ethnomedicine David Kiefer, MD Botany 474
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Easy! 300000 (total) 300 (U.S.) 10 plants for 80- 90% of a clinical practice
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Goals Ethno-medicine (11:00-11:30) –History –Phytochemistry (And Wed/Fri) –Cross-cultural Introduce the on-line case (11:31-11:50) –Groups of 4 –“Due” Monday (10/27)
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David Kiefer, MD Clinical Faculty –UW Family Med –Arizona Center for Integrative Medicine Residency: Seattle UW-Madison –BS-Zoology –MD
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Richard Evan Schultes Harvard, Oakes Ames advisor 1937, undergrad: peyote Lophophora williamsii (Cactaceae) –Kiowa Indians (OK) PhD thesis: Mexico, sacred mushroom of the Aztecs. Teonanacatl (Panaelous campanulatus)
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Immersion-Interdisciplinary 1941-1954 in NW Amazon –Collected 25000 plants, 1500 medicines/poisons Rituals Lived in villages Profound respect for peoples Conservation
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Nascent pharmacology Conspicuousness, morphology Ubiquity Color Aroma Taste Contact dermatitis Lack of insect predation Animal food Anthropomorphic qualities Ease of transplantation Proximity to dwellings Cultural taboos and spirits Efficaciousness Multi-purpose utility Dreams Intuition Shamanic journeying
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Traditional healers Shamanes Curanderos Y’chas
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Ichilla panga shia Toothache Drooling
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Cat’s claw (uña de gato) Uncaria tomentosa (Rubiaceae) Asháninka Indians in Peru –“savéntaro”, or “powerful plant” Oxindole alkaloids –Pentacyclic (+) –Tetracyclic (-) Mur (2002), Piscoya (2001)
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Uña de gato Alkaloids: immunostimulant, increased phagocytosis, anti-cancer, anti-oxidant, anti-inflammatory Clinical trials: RA, OA, with vaccines Chemotypes: –Botanically similar –Healer-priests able to tell the difference
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Oregano (Calentura panga) and Chonta chiri Oregano (Origanum vulgare) –Uses: Childhood fever Diarrhea Chonta chiri –? species –Uses: Shampoo alopecia
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Phytochemicals Geranial + neral = “citral” –Aroma –Anti-fungal –Anti-bacterial –Anti-spasmodic, sedative –“Honey Citral IPA” Limonene: rind of lemon
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Satagossa Aristolochia spp Uses: –Bites from scorpians, conga ants, spiders, snakes; –Diarrhea –Cough –Stomach ache May not be safe
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Foods Medicines? Opuntia spp. Nopal, nopalitos Diabetes Ajo Spices: cinnamon, turmeric
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Conservationist IUCN Red List: 34,000 species (12.5%) facing extinction “Scientists have analyzed the chemistry of fewer than 1% of the known…plants for biologically active substances…”(Plotkin, 2000) CITES: goldenseal, hoodia
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Sustainable harvesting Chonta chiri –Bark: strips from one side of plant
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“Back” home PlantsCulture HEALTH
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The Herbal Team Traditional healers Naturopathic physicians (NDs) Herbalists MD, NP, RN, RP (PharmD), PA
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“I want to lose weight” Brazilian cocktail –Ephedra –Furosemide (lasix) –Bovine thyroid
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How about you? Low-grade temps (99.0-100.0) Scratchy throat, aches, runny nose Write down 3 things you would do now Turn to your left and see if any overlap
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Hoodia Finding information: –Traditional use? Yes –PubMed: one “hit” (2002) MacLean (2004) Now: 11 articles –Review articles: nothing –Databases “Insufficient data” –Internet/Retail: overwhelming
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Hoodia Traditional –Hoodia gordonii (Asclepiadaceae) –San: Kalahari desert abdominal cramps, hemorrhoids, TB, diabetes appetite suppressant: long walks in desert when no food is available –P57AS3 steroidal glycoside: Phytopharm, Pfizer, Unilever (Slim Fast) CNS (rats): blunts ATP decreases in with low-calorie diet –Slow-growing, limited range: CITES Rader 2007, Lee 2007, van Heerden 2007, MacLean 2004
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Hoodia Traditional use –Possibly relevant to current use –Fill gap between retail science
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On-line case PlantsCulture HEALTH Herbal medicine use –Madison vs home country –Why? Many factors involved Two example plant species Personal interaction with plants
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On-line case Today –Groups of 4 This week: work on the case –mediastreamer.doit.wisc.edu/ltde/cscr-ethno-spring2013/ –Slide 3: Word document: Notes
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Grade Final Report –End 5 sections –Fill in one section –Email: david.kiefer@fammed.wi sc.edu –5 th : work together –Hard copy: Next Monday
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On-line case
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stay together learn the flowers go light -Gary Snyder
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