Lec 6: Herbal Meds + Ethnobotany Flashcards
medicines are either branded as:
curative or preventative
as well as curative and preventative medicine can also
relieve symptoms or mimic human compounds
modern drugs developed with
reduchonis approach
what percent of the population uses plant medicine
80%
plant natural products of medicinal importance include …
various alkaloids and glycosides + various classes of secondary compounds
compounds with 1 + sugar attached =
glycosides (saponins etc.)
plants have _______ ________ effect
plants have cardio active effect
digitoxins help…
to increase heart contraction
too much digitoxin …
is fatal
purple foxglove and milkweed similar
some alkaloids …
are medicinally curative
effect of small part of plant …
can be different from whole
plant remnants and pollen found …
found in teeth of skulls of neanderthal bones
herbal is
a collection with drawings of many plants
when was the first record with clay tablets of medicinal info in ancient sumera?
2000 BC
what was Evers Papyrus catalogue dated to?
Ancient Egypt 1500 BC
Evers Papyrus catalogue contains …
over 850 remedies (including mandrake and aloe)
When was the use of herbal medicine recorded in china?
2500 BC
Shen Nung…
collected info on hundreds of medicinal plants in China
indian herbal regveda is basis of
Ayurvedic medicine
indian herbal regveda is based on
herbs and spices
the renaissance revives …
herbals by inventing printing press
the appearance of a plant and it’s characteristics …
tell the ailment it treats
red juice of blood root treats
blood disorders
snake root treats
snake bite
willow bark for …
rheumatism
walnut seed for …
brain
phylogenetic survey
looks for plant relationship
ecological surveys
similar habitats
ethnobotanist approach
work w traditional society
survey drug composition in field steps:
- collect 1 kg of plant
- save as voucher specimen, dry in press for herbarium
- dry or preserve in alcohol
survey drug composition in lab steps:
- extract chemicals in plant solvent
- separate extraction from solvent
- use extraction in bio assay if 50-100 kg is received
herbarium
library of dried plants
- primary sources of info on plant distribution , flower / fruit times
ethnobotany
the scientific study of the past involving medicinal plants
ethnobotany presents use of …
plants by traditional society
father of ethnobotany
dr. richard e. schulles
why study ethnobotany
- link produce and consumption
- retain knowledge or traditional society
- steward sensitive geo locations
- vulnerable rapid culture and economy change
the tribes used to …
pee on ground and if ants came, there was sugar present. humans then eat leaves … this is known as the GYMNIMA SYLVESTRE CURE
