Australia's First People – Removing Toxicity From Foods (HSC SSCE Chemistry): Flashcards
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Plant species used by Aboriginal & Torres Strait Islander peoples
Plant species used by Aboriginal & Torres Strait Islander peoples
Approximately 700
Plant species requiring some form of processing
Plant species requiring some form of processing
More than 300
Time requirement defining complex processing
Time requirement defining complex processing
More than half a day
World's most toxic cycad species
World's most toxic cycad species
Bowenia spectabilis
Toxic compounds found in cycads
Toxic compounds found in cycads
Azoxyglycosides
Definition of leaching
Definition of leaching
Water-based extraction process to dissolve & remove toxins
Primary toxic compound in cycads
Primary toxic compound in cycads
Cycasin
Solubility of cycasin in water
Solubility of cycasin in water
Dynamic equilibrium in leaching context
Dynamic equilibrium in leaching context
Dissolution rate equals redeposition rate
Advantage of flowing water over static water in leaching
Advantage of flowing water over static water in leaching
Prevents equilibrium, continuously removes toxins